1998 Chevrolet Suburban Oil Type & Capacity
The 1998 Chevrolet Suburban oil type depends on the engine: the C1500, 5.7 R takes 10W-30 (5.0 quarts qt with filter); the C1500, 6.5 F takes 15W-40 (8.0 quarts qt with filter); the C2500, 5.7 R takes 10W-30 (5.0 quarts qt with filter); the C2500, 6.5 F takes 15W-40 (8.0 quarts qt with filter); the C2500, 7.4 J takes 10W-30 (7.0 quarts qt with filter); the K1500, 5.7 R, Automatic takes 10W-30 (5.0 quarts qt with filter); the K1500, 5.7 R, Part Time takes 10W-30 (5.0 quarts qt with filter); the K1500, 6.5 F, Automatic takes 15W-40 (8.0 quarts qt with filter); the K1500, 6.5 F, Part Time takes 15W-40 (8.0 quarts qt with filter); the K2500, 5.7 R, Automatic takes 10W-30 (5.0 quarts qt with filter); the K2500, 5.7 R, Part Time takes 10W-30 (5.0 quarts qt with filter); the K2500, 6.5 F, Automatic takes 15W-40 (8.0 quarts qt with filter); the K2500, 6.5 F, Part Time takes 15W-40 (8.0 quarts qt with filter); the K2500, 7.4 J, Automatic takes 10W-30 (7.0 quarts qt with filter); the K2500, 7.4 J, Part Time takes 10W-30 (7.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- C1500, 5.7 R: 10W-30, 5.0 quarts with filter
- C1500, 6.5 F: 15W-40, 8.0 quarts with filter
- C2500, 5.7 R: 10W-30, 5.0 quarts with filter
- C2500, 6.5 F: 15W-40, 8.0 quarts with filter
- C2500, 7.4 J: 10W-30, 7.0 quarts with filter
- K1500, 5.7 R, Automatic: 10W-30, 5.0 quarts with filter
- K1500, 5.7 R, Part Time: 10W-30, 5.0 quarts with filter
- K1500, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- K1500, 6.5 F, Part Time: 15W-40, 8.0 quarts with filter
- K2500, 5.7 R, Automatic: 10W-30, 5.0 quarts with filter
- K2500, 5.7 R, Part Time: 10W-30, 5.0 quarts with filter
- K2500, 6.5 F, Automatic: 15W-40, 8.0 quarts with filter
- K2500, 6.5 F, Part Time: 15W-40, 8.0 quarts with filter
- K2500, 7.4 J, Automatic: 10W-30, 7.0 quarts with filter
- K2500, 7.4 J, Part Time: 10W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| C1500, 5.7 R — 5.7L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| C1500, 6.5 F — 6.5L Eng | API - SAE 15W-40 (Above 0Deg.F) (Preferred), 10W-30 (Below 0Deg.F), 30 (Above 32Deg.F) | 8.00 QTS. | 7.00 QTS. | — |
| C2500, 5.7 R — 5.7L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| C2500, 6.5 F — 6.5L Eng | API - SAE 15W-40 (Above 0Deg.F) (Preferred), 10W-30 (Below 0Deg.F), 30 (Above 32Deg.F) | 8.00 QTS. | 7.00 QTS. | — |
| C2500, 7.4 J — 7.4L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 7.00 QTS. | 6.00 QTS. | — |
| K1500, 5.7 R, Automatic — 5.7L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| K1500, 5.7 R, Part Time — 5.7L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| K1500, 6.5 F, Automatic — 6.5L Eng | API - SAE 15W-40 (Above 0Deg.F) (Preferred), 10W-30 (Below 0Deg.F), 30 (Above 32Deg.F) | 8.00 QTS. | 7.00 QTS. | — |
| K1500, 6.5 F, Part Time — 6.5L Eng | API - SAE 15W-40 (Above 0Deg.F) (Preferred), 10W-30 (Below 0Deg.F), 30 (Above 32Deg.F) | 8.00 QTS. | 7.00 QTS. | — |
| K2500, 5.7 R, Automatic — 5.7L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| K2500, 5.7 R, Part Time — 5.7L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| K2500, 6.5 F, Automatic — 6.5L Eng | API - SAE 15W-40 (Above 0Deg.F) (Preferred), 10W-30 (Below 0Deg.F), 30 (Above 32Deg.F) | 8.00 QTS. | 7.00 QTS. | — |
| K2500, 6.5 F, Part Time — 6.5L Eng | API - SAE 15W-40 (Above 0Deg.F) (Preferred), 10W-30 (Below 0Deg.F), 30 (Above 32Deg.F) | 8.00 QTS. | 7.00 QTS. | — |
| K2500, 7.4 J, Automatic — 7.4L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 7.00 QTS. | 6.00 QTS. | — |
| K2500, 7.4 J, Part Time — 7.4L Eng | API - SAE 10W-30 (Above 0Deg.F), 5W-30 (Below 0Deg.F) | 7.00 QTS. | 6.00 QTS. | — |
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More factory specs & repair guides for your Suburban
🛞 1998 Chevrolet Suburban Tire Size & Pressure →🌧️ 1998 Chevrolet Suburban Wiper Blade Sizes →💡 1998 Chevrolet Suburban Light Bulb Sizes →📖 1998 Chevrolet Suburban Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
20.0 quarts (18.92 L) — 50/50 mixture of DEX-COOL and clean water (preferably distilled)
Frequently asked questions
What type of oil does a 1998 Chevrolet Suburban take?
It depends on the engine: C1500, 5.7 R uses 10W-30; C1500, 6.5 F uses 15W-40; C2500, 5.7 R uses 10W-30; C2500, 6.5 F uses 15W-40; C2500, 7.4 J uses 10W-30; K1500, 5.7 R, Automatic uses 10W-30; K1500, 5.7 R, Part Time uses 10W-30; K1500, 6.5 F, Automatic uses 15W-40; K1500, 6.5 F, Part Time uses 15W-40; K2500, 5.7 R, Automatic uses 10W-30; K2500, 5.7 R, Part Time uses 10W-30; K2500, 6.5 F, Automatic uses 15W-40; K2500, 6.5 F, Part Time uses 15W-40; K2500, 7.4 J, Automatic uses 10W-30; K2500, 7.4 J, Part Time uses 10W-30.
What is the oil capacity of a 1998 Chevrolet Suburban?
Oil capacity depends on the engine: C1500, 5.7 R holds 5.0 quarts with filter; C1500, 6.5 F holds 8.0 quarts with filter; C2500, 5.7 R holds 5.0 quarts with filter; C2500, 6.5 F holds 8.0 quarts with filter; C2500, 7.4 J holds 7.0 quarts with filter; K1500, 5.7 R, Automatic holds 5.0 quarts with filter; K1500, 5.7 R, Part Time holds 5.0 quarts with filter; K1500, 6.5 F, Automatic holds 8.0 quarts with filter; K1500, 6.5 F, Part Time holds 8.0 quarts with filter; K2500, 5.7 R, Automatic holds 5.0 quarts with filter; K2500, 5.7 R, Part Time holds 5.0 quarts with filter; K2500, 6.5 F, Automatic holds 8.0 quarts with filter; K2500, 6.5 F, Part Time holds 8.0 quarts with filter; K2500, 7.4 J, Automatic holds 7.0 quarts with filter; K2500, 7.4 J, Part Time holds 7.0 quarts with filter.
How often should I change the oil in my 1998 Chevrolet Suburban?
Most 1998 Chevrolet Suburban 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 — Chevrolet recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1998 Chevrolet Suburban?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Chevrolet Suburban. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.