1999 GMC Cab & Chassis Oil Type & Capacity
The 1999 GMC Cab & Chassis oil type depends on the engine: the C2500, 5.7 K takes 5W-30 (5.0 quarts with filter); the C2500, 5.7 R, Automatic takes 5W-30 (5.0 quarts with filter); the C2500, 5.7 R, Standard takes 5W-30 (5.0 quarts with filter); the C2500, 6.5 F, Automatic takes 15W-40 (8.0 quarts with filter); the C2500, 6.5 F, Standard takes 15W-40 (8.0 quarts with filter); the C2500, 7.4 J, Automatic takes 5W-30 (7.0 quarts with filter); the C2500, 7.4 J, Standard takes 5W-30 (7.0 quarts with filter); the C3500, 2D Pickup, 5.7 K takes 5W-30 (5.0 quarts with filter); the C3500, 2D Pickup, 5.7 R, Automatic takes 5W-30 (5.0 quarts with filter); the C3500, 2D Pickup, 5.7 R, Standard takes 5W-30 (5.0 quarts with filter); the C3500, 2D Pickup, 6.5 F, Automatic takes 15W-40 (8.0 quarts with filter); the C3500, 2D Pickup, 6.5 F, Standard takes 15W-40 (8.0 quarts with filter); the C3500, 2D Pickup, 7.4 J, Automatic takes 5W-30 (7.0 quarts with filter); the C3500, 2D Pickup, 7.4 J, Standard takes 5W-30 (7.0 quarts with filter); the C3500, 4D Pickup, 5.7 R, Automatic takes 5W-30 (5.0 quarts with filter); the C3500, 4D Pickup, 5.7 R, Standard takes 5W-30 (5.0 quarts with filter); the C3500, 4D Pickup, 6.5 F, Automatic takes 15W-40 (8.0 quarts with filter); the C3500, 4D Pickup, 6.5 F, Standard takes 15W-40 (8.0 quarts with filter); the C3500, 4D Pickup, 7.4 J, Automatic takes 5W-30 (7.0 quarts with filter); the C3500, 4D Pickup, 7.4 J, Standard takes 5W-30 (7.0 quarts with filter); the K2500, 5.7 K takes 5W-30 (5.0 quarts with filter); the K2500, 5.7 R, Automatic takes 5W-30 (5.0 quarts with filter); the K2500, 5.7 R, Standard takes 5W-30 (5.0 quarts with filter); the K2500, 6.5 F, Automatic takes 15W-40 (8.0 quarts with filter); the K2500, 6.5 F, Standard takes 15W-40 (8.0 quarts with filter); the K2500, 7.4 J, Automatic takes 5W-30 (7.0 quarts with filter); the K2500, 7.4 J, Standard takes 5W-30 (7.0 quarts with filter); the K3500, 2D Pickup, 5.7 K takes 5W-30 (5.0 quarts with filter); the K3500, 2D Pickup, 5.7 R, Automatic takes 5W-30 (5.0 quarts with filter); the K3500, 2D Pickup, 5.7 R, Standard takes 5W-30 (5.0 quarts with filter); the K3500, 2D Pickup, 6.5 F, Automatic takes 15W-40 (8.0 quarts with filter); the K3500, 2D Pickup, 6.5 F, Standard takes 15W-40 (8.0 quarts with filter); the K3500, 2D Pickup, 7.4 J, Automatic takes 5W-30 (7.0 quarts with filter); the K3500, 2D Pickup, 7.4 J, Standard takes 5W-30 (7.0 quarts with filter); the K3500, 4D Pickup, 5.7 R, Automatic takes 5W-30 (5.0 quarts with filter); the K3500, 4D Pickup, 5.7 R, Standard takes 5W-30 (5.0 quarts with filter); the K3500, 4D Pickup, 6.5 F, Automatic takes 15W-40 (8.0 quarts with filter); the K3500, 4D Pickup, 6.5 F, Standard takes 15W-40 (8.0 quarts with filter); the K3500, 4D Pickup, 7.4 J, Automatic takes 5W-30 (7.0 quarts with filter); the K3500, 4D Pickup, 7.4 J, Standard takes 5W-30 (7.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- C2500, 5.7 K: 5W-30, 5.0 quarts with filter
- C2500, 5.7 R, Automatic: 5W-30, 5.0 quarts with filter
- C2500, 5.7 R, Standard: 5W-30, 5.0 quarts with filter
- C2500, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- C2500, 6.5 F, Standard: 15W-40, 8.0 quarts with filter
- C2500, 7.4 J, Automatic: 5W-30, 7.0 quarts with filter
- C2500, 7.4 J, Standard: 5W-30, 7.0 quarts with filter
- C3500, 2D Pickup, 5.7 K: 5W-30, 5.0 quarts with filter
- C3500, 2D Pickup, 5.7 R, Automatic: 5W-30, 5.0 quarts with filter
- C3500, 2D Pickup, 5.7 R, Standard: 5W-30, 5.0 quarts with filter
- C3500, 2D Pickup, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- C3500, 2D Pickup, 6.5 F, Standard: 15W-40, 8.0 quarts with filter
- C3500, 2D Pickup, 7.4 J, Automatic: 5W-30, 7.0 quarts with filter
- C3500, 2D Pickup, 7.4 J, Standard: 5W-30, 7.0 quarts with filter
- C3500, 4D Pickup, 5.7 R, Automatic: 5W-30, 5.0 quarts with filter
- C3500, 4D Pickup, 5.7 R, Standard: 5W-30, 5.0 quarts with filter
- C3500, 4D Pickup, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- C3500, 4D Pickup, 6.5 F, Standard: 15W-40, 8.0 quarts with filter
- C3500, 4D Pickup, 7.4 J, Automatic: 5W-30, 7.0 quarts with filter
- C3500, 4D Pickup, 7.4 J, Standard: 5W-30, 7.0 quarts with filter
- K2500, 5.7 K: 5W-30, 5.0 quarts with filter
- K2500, 5.7 R, Automatic: 5W-30, 5.0 quarts with filter
- K2500, 5.7 R, Standard: 5W-30, 5.0 quarts with filter
- K2500, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- K2500, 6.5 F, Standard: 15W-40, 8.0 quarts with filter
- K2500, 7.4 J, Automatic: 5W-30, 7.0 quarts with filter
- K2500, 7.4 J, Standard: 5W-30, 7.0 quarts with filter
- K3500, 2D Pickup, 5.7 K: 5W-30, 5.0 quarts with filter
- K3500, 2D Pickup, 5.7 R, Automatic: 5W-30, 5.0 quarts with filter
- K3500, 2D Pickup, 5.7 R, Standard: 5W-30, 5.0 quarts with filter
- K3500, 2D Pickup, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- K3500, 2D Pickup, 6.5 F, Standard: 15W-40, 8.0 quarts with filter
- K3500, 2D Pickup, 7.4 J, Automatic: 5W-30, 7.0 quarts with filter
- K3500, 2D Pickup, 7.4 J, Standard: 5W-30, 7.0 quarts with filter
- K3500, 4D Pickup, 5.7 R, Automatic: 5W-30, 5.0 quarts with filter
- K3500, 4D Pickup, 5.7 R, Standard: 5W-30, 5.0 quarts with filter
- K3500, 4D Pickup, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- K3500, 4D Pickup, 6.5 F, Standard: 15W-40, 8.0 quarts with filter
- K3500, 4D Pickup, 7.4 J, Automatic: 5W-30, 7.0 quarts with filter
- K3500, 4D Pickup, 7.4 J, Standard: 5W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| C2500, 5.7 K — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C2500, 5.7 R, Automatic — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C2500, 5.7 R, Standard — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C2500, 6.5 F, Automatic — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| C2500, 6.5 F, Standard — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| C2500, 7.4 J, Automatic — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C2500, 7.4 J, Standard — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 2D Pickup, 5.7 K — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 2D Pickup, 5.7 R, Automatic — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 2D Pickup, 5.7 R, Standard — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 2D Pickup, 6.5 F, Automatic — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| C3500, 2D Pickup, 6.5 F, Standard — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| C3500, 2D Pickup, 7.4 J, Automatic — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 2D Pickup, 7.4 J, Standard — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 4D Pickup, 5.7 R, Automatic — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 4D Pickup, 5.7 R, Standard — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 4D Pickup, 6.5 F, Automatic — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| C3500, 4D Pickup, 6.5 F, Standard — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| C3500, 4D Pickup, 7.4 J, Automatic — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| C3500, 4D Pickup, 7.4 J, Standard — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K2500, 5.7 K — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K2500, 5.7 R, Automatic — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K2500, 5.7 R, Standard — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K2500, 6.5 F, Automatic — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| K2500, 6.5 F, Standard — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| K2500, 7.4 J, Automatic — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K2500, 7.4 J, Standard — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 2D Pickup, 5.7 K — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 2D Pickup, 5.7 R, Automatic — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 2D Pickup, 5.7 R, Standard — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 2D Pickup, 6.5 F, Automatic — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| K3500, 2D Pickup, 6.5 F, Standard — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| K3500, 2D Pickup, 7.4 J, Automatic — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 2D Pickup, 7.4 J, Standard — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 4D Pickup, 5.7 R, Automatic — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 4D Pickup, 5.7 R, Standard — 5.7L Eng | API - SAE 5W-30 | 5.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 4D Pickup, 6.5 F, Automatic — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| K3500, 4D Pickup, 6.5 F, Standard — 6.5L Eng | API - CH-4/CG-4, SAE 15W-40 | 8.00 QTS. | — | SAE 15W-40 is best for your vehicle. However, you can use SAE 10W-30 if it's going to be colder than (0°C) 32°F before your next oil change. When it's very cold, below (-18°C) 0°F, you should use SAE 10W-30 to improve cold starting. SAE 30 may be used at temperatures above freezing, (0°C) 32°F. These numbers on the oil container show its viscosity, or thickness. Do not use other viscosity oils such as SAE 10W-40 or SAE 20W-50. |
| K3500, 4D Pickup, 7.4 J, Automatic — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
| K3500, 4D Pickup, 7.4 J, Standard — 7.4L Eng | API - SAE 5W-30 | 7.00 QTS. | — | SAE 5W-30 is best for your vehicle. However, use 10W-30 if the outside temperature is higher than 18Deg.C (0Deg.F). Do not use other viscosity oils, such as SAE 20W-50. If your vehicle is operated in an area where the temperature falls below -29Deg.C (-20Deg.F), consider using a SAE 0W-40 oil, it will provide easier cold starting and better protection for the engine at extremely low temperatures. |
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More specs & repair guides for your Cab & Chassis
1999 GMC Cab & Chassis factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
17.0 quarts (16.08 L) — 50/50 mixture of DEX-COOL and clean, drinkable water
Frequently asked questions
What type of oil does a 1999 GMC Cab & Chassis take?
It depends on the engine: C2500, 5.7 K uses 5W-30; C2500, 5.7 R, Automatic uses 5W-30; C2500, 5.7 R, Standard uses 5W-30; C2500, 6.5 F, Automatic uses 15W-40; C2500, 6.5 F, Standard uses 15W-40; C2500, 7.4 J, Automatic uses 5W-30; C2500, 7.4 J, Standard uses 5W-30; C3500, 2D Pickup, 5.7 K uses 5W-30; C3500, 2D Pickup, 5.7 R, Automatic uses 5W-30; C3500, 2D Pickup, 5.7 R, Standard uses 5W-30; C3500, 2D Pickup, 6.5 F, Automatic uses 15W-40; C3500, 2D Pickup, 6.5 F, Standard uses 15W-40; C3500, 2D Pickup, 7.4 J, Automatic uses 5W-30; C3500, 2D Pickup, 7.4 J, Standard uses 5W-30; C3500, 4D Pickup, 5.7 R, Automatic uses 5W-30; C3500, 4D Pickup, 5.7 R, Standard uses 5W-30; C3500, 4D Pickup, 6.5 F, Automatic uses 15W-40; C3500, 4D Pickup, 6.5 F, Standard uses 15W-40; C3500, 4D Pickup, 7.4 J, Automatic uses 5W-30; C3500, 4D Pickup, 7.4 J, Standard uses 5W-30; K2500, 5.7 K uses 5W-30; K2500, 5.7 R, Automatic uses 5W-30; K2500, 5.7 R, Standard uses 5W-30; K2500, 6.5 F, Automatic uses 15W-40; K2500, 6.5 F, Standard uses 15W-40; K2500, 7.4 J, Automatic uses 5W-30; K2500, 7.4 J, Standard uses 5W-30; K3500, 2D Pickup, 5.7 K uses 5W-30; K3500, 2D Pickup, 5.7 R, Automatic uses 5W-30; K3500, 2D Pickup, 5.7 R, Standard uses 5W-30; K3500, 2D Pickup, 6.5 F, Automatic uses 15W-40; K3500, 2D Pickup, 6.5 F, Standard uses 15W-40; K3500, 2D Pickup, 7.4 J, Automatic uses 5W-30; K3500, 2D Pickup, 7.4 J, Standard uses 5W-30; K3500, 4D Pickup, 5.7 R, Automatic uses 5W-30; K3500, 4D Pickup, 5.7 R, Standard uses 5W-30; K3500, 4D Pickup, 6.5 F, Automatic uses 15W-40; K3500, 4D Pickup, 6.5 F, Standard uses 15W-40; K3500, 4D Pickup, 7.4 J, Automatic uses 5W-30; K3500, 4D Pickup, 7.4 J, Standard uses 5W-30.
How much oil does a 1999 GMC Cab & Chassis take?
Capacity depends on the engine: C2500, 5.7 K holds 5.0 quarts with filter; C2500, 5.7 R, Automatic holds 5.0 quarts with filter; C2500, 5.7 R, Standard holds 5.0 quarts with filter; C2500, 6.5 F, Automatic holds 8.0 quarts with filter; C2500, 6.5 F, Standard holds 8.0 quarts with filter; C2500, 7.4 J, Automatic holds 7.0 quarts with filter; C2500, 7.4 J, Standard holds 7.0 quarts with filter; C3500, 2D Pickup, 5.7 K holds 5.0 quarts with filter; C3500, 2D Pickup, 5.7 R, Automatic holds 5.0 quarts with filter; C3500, 2D Pickup, 5.7 R, Standard holds 5.0 quarts with filter; C3500, 2D Pickup, 6.5 F, Automatic holds 8.0 quarts with filter; C3500, 2D Pickup, 6.5 F, Standard holds 8.0 quarts with filter; C3500, 2D Pickup, 7.4 J, Automatic holds 7.0 quarts with filter; C3500, 2D Pickup, 7.4 J, Standard holds 7.0 quarts with filter; C3500, 4D Pickup, 5.7 R, Automatic holds 5.0 quarts with filter; C3500, 4D Pickup, 5.7 R, Standard holds 5.0 quarts with filter; C3500, 4D Pickup, 6.5 F, Automatic holds 8.0 quarts with filter; C3500, 4D Pickup, 6.5 F, Standard holds 8.0 quarts with filter; C3500, 4D Pickup, 7.4 J, Automatic holds 7.0 quarts with filter; C3500, 4D Pickup, 7.4 J, Standard holds 7.0 quarts with filter; K2500, 5.7 K holds 5.0 quarts with filter; K2500, 5.7 R, Automatic holds 5.0 quarts with filter; K2500, 5.7 R, Standard holds 5.0 quarts with filter; K2500, 6.5 F, Automatic holds 8.0 quarts with filter; K2500, 6.5 F, Standard holds 8.0 quarts with filter; K2500, 7.4 J, Automatic holds 7.0 quarts with filter; K2500, 7.4 J, Standard holds 7.0 quarts with filter; K3500, 2D Pickup, 5.7 K holds 5.0 quarts with filter; K3500, 2D Pickup, 5.7 R, Automatic holds 5.0 quarts with filter; K3500, 2D Pickup, 5.7 R, Standard holds 5.0 quarts with filter; K3500, 2D Pickup, 6.5 F, Automatic holds 8.0 quarts with filter; K3500, 2D Pickup, 6.5 F, Standard holds 8.0 quarts with filter; K3500, 2D Pickup, 7.4 J, Automatic holds 7.0 quarts with filter; K3500, 2D Pickup, 7.4 J, Standard holds 7.0 quarts with filter; K3500, 4D Pickup, 5.7 R, Automatic holds 5.0 quarts with filter; K3500, 4D Pickup, 5.7 R, Standard holds 5.0 quarts with filter; K3500, 4D Pickup, 6.5 F, Automatic holds 8.0 quarts with filter; K3500, 4D Pickup, 6.5 F, Standard holds 8.0 quarts with filter; K3500, 4D Pickup, 7.4 J, Automatic holds 7.0 quarts with filter; K3500, 4D Pickup, 7.4 J, Standard holds 7.0 quarts with filter.
Can I use synthetic oil in my 1999 GMC Cab & Chassis?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 GMC Cab & Chassis. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.