1994 Chevrolet Blazer Oil Type & Capacity: 5W-30 (7.0 quarts)
The 1994 Chevrolet Blazer takes 5W-30 motor oil — 7.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 5.7 K, Automatic — Eng VIN K | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 7.00 QTS. | 6.00 QTS. | Use oil that has been certified by the American Petroleum Institute. |
| 5.7 K, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 7.00 QTS. | 6.00 QTS. | Use oil that has been certified by the American Petroleum Institute. |
| 5.7 K, Standard — Eng VIN K | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 7.00 QTS. | 6.00 QTS. | Use oil that has been certified by the American Petroleum Institute. |
| 5.7 K, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 7.00 QTS. | 6.00 QTS. | Use oil that has been certified by the American Petroleum Institute. |
| 6.5 S | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 7.00 QTS. | 6.00 QTS. | Use oil that has been certified by the American Petroleum Institute. |
More factory specs & repair guides for your Blazer
🛞 1994 Chevrolet Blazer Tire Size & Pressure →🌧️ 1994 Chevrolet Blazer Wiper Blade Sizes →💡 1994 Chevrolet Blazer Light Bulb Sizes →📖 1994 Chevrolet Blazer Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
18.5 quarts (17.5 L) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1994 Chevrolet Blazer take?
The 1994 Chevrolet Blazer takes 5W-30 motor oil (SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1994 Chevrolet Blazer?
The 1994 Chevrolet Blazer oil capacity is 7.0 quarts with a filter change, or 6.0 quarts without changing the filter.
How often should I change the oil in my 1994 Chevrolet Blazer?
Most 1994 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 1994 Chevrolet Blazer?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1994 Chevrolet Blazer. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.