1991 GMC Value Van Oil Type & Capacity
The 1991 GMC Value Van oil type depends on the engine: the 3.9 L, NV4500/MT8 takes 5W-30 (5.0 quarts qt with filter); the 3.9 L, SM465/M20 takes 5W-30 (5.0 quarts qt with filter); the 4.3 Z, Automatic takes 5W-30 (5.0 quarts qt with filter); the 4.3 Z, Standard, NV4500/MT8 takes 5W-30 (5.0 quarts qt with filter); the 4.3 Z, Standard, SM465/M20 takes 5W-30 (5.0 quarts qt with filter); the 5.7 K, Automatic takes 5W-30 (5.0 quarts qt with filter); the 5.7 K, Standard, NV4500/MT8 takes 5W-30 (5.0 quarts qt with filter); the 5.7 K, Standard, SM465/M20 takes 5W-30 (5.0 quarts qt with filter); the 6.2 J, Automatic takes 10W-30 (7.0 quarts qt with filter); the 6.2 J, Standard, NV4500/MT8 takes 10W-30 (7.0 quarts qt with filter); the 6.2 J, Standard, SM465/M20 takes 10W-30 (7.0 quarts qt with filter); the 7.4 N takes 10W-30 (7.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 3.9 L, NV4500/MT8: 5W-30, 5.0 quarts with filter
- 3.9 L, SM465/M20: 5W-30, 5.0 quarts with filter
- 4.3 Z, Automatic: 5W-30, 5.0 quarts with filter
- 4.3 Z, Standard, NV4500/MT8: 5W-30, 5.0 quarts with filter
- 4.3 Z, Standard, SM465/M20: 5W-30, 5.0 quarts with filter
- 5.7 K, Automatic: 5W-30, 5.0 quarts with filter
- 5.7 K, Standard, NV4500/MT8: 5W-30, 5.0 quarts with filter
- 5.7 K, Standard, SM465/M20: 5W-30, 5.0 quarts with filter
- 6.2 J, Automatic: 10W-30, 7.0 quarts with filter
- 6.2 J, Standard, NV4500/MT8: 10W-30, 7.0 quarts with filter
- 6.2 J, Standard, SM465/M20: 10W-30, 7.0 quarts with filter
- 7.4 N: 10W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 3.9 L, NV4500/MT8 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 3.9 L, SM465/M20 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 4.3 Z, Automatic — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 4.3 Z, Standard, NV4500/MT8 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 4.3 Z, Standard, SM465/M20 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.7 K, Automatic — P3500,5.7L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.7 K, Automatic — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.7 K, Standard, NV4500/MT8 — P3500,5.7L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.7 K, Standard, NV4500/MT8 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.7 K, Standard, SM465/M20 — P3500,5.7L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.7 K, Standard, SM465/M20 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 6.2 J, Automatic — P3500,6.2L Eng | API - SAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F) | 7.00 QTS. | — | — |
| 6.2 J, Automatic — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 6.2 J, Standard, NV4500/MT8 — P3500,6.2L Eng | API - SAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F) | 7.00 QTS. | — | — |
| 6.2 J, Standard, NV4500/MT8 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 6.2 J, Standard, SM465/M20 — P3500,6.2L Eng | API - SAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F) | 7.00 QTS. | — | — |
| 6.2 J, Standard, SM465/M20 — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 7.4 N — P3500,7.4L Eng | API - SAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F) | 7.00 QTS. | 6.00 QTS. | — |
| 7.4 N — P3500 | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
More factory specs & repair guides for your Value Van
🛞 1991 GMC Value Van Tire Size & Pressure →🌧️ 1991 GMC Value Van Wiper Blade Sizes →💡 1991 GMC Value Van Light Bulb Sizes →📖 1991 GMC Value Van Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
15.5 quarts (14.66 L) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1991 GMC Value Van take?
It depends on the engine: 3.9 L, NV4500/MT8 uses 5W-30; 3.9 L, SM465/M20 uses 5W-30; 4.3 Z, Automatic uses 5W-30; 4.3 Z, Standard, NV4500/MT8 uses 5W-30; 4.3 Z, Standard, SM465/M20 uses 5W-30; 5.7 K, Automatic uses 5W-30; 5.7 K, Standard, NV4500/MT8 uses 5W-30; 5.7 K, Standard, SM465/M20 uses 5W-30; 6.2 J, Automatic uses 10W-30; 6.2 J, Standard, NV4500/MT8 uses 10W-30; 6.2 J, Standard, SM465/M20 uses 10W-30; 7.4 N uses 10W-30.
What is the oil capacity of a 1991 GMC Value Van?
Oil capacity depends on the engine: 3.9 L, NV4500/MT8 holds 5.0 quarts with filter; 3.9 L, SM465/M20 holds 5.0 quarts with filter; 4.3 Z, Automatic holds 5.0 quarts with filter; 4.3 Z, Standard, NV4500/MT8 holds 5.0 quarts with filter; 4.3 Z, Standard, SM465/M20 holds 5.0 quarts with filter; 5.7 K, Automatic holds 5.0 quarts with filter; 5.7 K, Standard, NV4500/MT8 holds 5.0 quarts with filter; 5.7 K, Standard, SM465/M20 holds 5.0 quarts with filter; 6.2 J, Automatic holds 7.0 quarts with filter; 6.2 J, Standard, NV4500/MT8 holds 7.0 quarts with filter; 6.2 J, Standard, SM465/M20 holds 7.0 quarts with filter; 7.4 N holds 7.0 quarts with filter.
How often should I change the oil in my 1991 GMC Value Van?
Most 1991 GMC Value Van owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — GMC recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1991 GMC Value Van?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 GMC Value Van. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.