1987 Chevrolet Blazer Oil Type & Capacity
The 1987 Chevrolet Blazer oil type depends on the engine: the 5.0 H, Automatic takes 10W-30 (5.0 quarts qt with filter); the 5.0 H, Standard, MY6 takes 10W-30 (5.0 quarts qt with filter); the 5.0 H, Standard, SM465/M20 takes 10W-30 (5.0 quarts qt with filter); the 5.7 K takes 10W-30 (4.0 quarts qt with filter); the 6.2 C takes 10W-30 (7.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 5.0 H, Automatic: 10W-30, 5.0 quarts with filter
- 5.0 H, Standard, MY6: 10W-30, 5.0 quarts with filter
- 5.0 H, Standard, SM465/M20: 10W-30, 5.0 quarts with filter
- 5.7 K: 10W-30, 4.0 quarts with filter
- 6.2 C: 10W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 5.0 H, Automatic — Eng VIN H | SAE 10W-30 Energy Conserving Engine | 5.00 QTS. | 4.00 QTS. | — |
| 5.0 H, Standard, MY6 — Eng VIN H | SAE 10W-30 Energy Conserving Engine | 5.00 QTS. | 4.00 QTS. | — |
| 5.0 H, Standard, SM465/M20 — Eng VIN H | SAE 10W-30 Energy Conserving Engine | 5.00 QTS. | 4.00 QTS. | — |
| 5.7 K — Eng VIN K | SAE 10W-30 Energy Conserving Engine | 4.00 QTS. | 4.00 QTS. | — |
| 6.2 C — Eng VIN C | SAE 10W-30 or 15W-40 | 7.00 QTS. | — | — |
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More factory specs & repair guides for your Blazer
🛞 1987 Chevrolet Blazer Tire Size & Pressure →🌧️ 1987 Chevrolet Blazer Wiper Blade Sizes →💡 1987 Chevrolet Blazer Light Bulb Sizes →📖 1987 Chevrolet Blazer Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
18.0 quarts (17.03 L) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1987 Chevrolet Blazer take?
It depends on the engine: 5.0 H, Automatic uses 10W-30; 5.0 H, Standard, MY6 uses 10W-30; 5.0 H, Standard, SM465/M20 uses 10W-30; 5.7 K uses 10W-30; 6.2 C uses 10W-30.
What is the oil capacity of a 1987 Chevrolet Blazer?
Oil capacity depends on the engine: 5.0 H, Automatic holds 5.0 quarts with filter; 5.0 H, Standard, MY6 holds 5.0 quarts with filter; 5.0 H, Standard, SM465/M20 holds 5.0 quarts with filter; 5.7 K holds 4.0 quarts with filter; 6.2 C holds 7.0 quarts with filter.
How often should I change the oil in my 1987 Chevrolet Blazer?
Most 1987 Chevrolet Blazer 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 1987 Chevrolet Blazer?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1987 Chevrolet Blazer. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.