1985 GMC G2500 Oil Capacity, Types, & Filters
Your essential guide to 1985 GMC G2500 oil change is here! No more searching – find all the critical oil specs for your 1985 GMC G2500, including oil capacity, recommended oil viscosity (type), and the correct oil filter.
We cover all engine options, categorized by their specific engine codes, ensuring you get the right information for your specific configuration. Keep reading to discover everything you need for your next 1985 GMC G2500 oil change!
Scroll Table ➜
| Engine & Code | Oil Capacity | Oil Viscosity/Type | Oil Filter |
|---|---|---|---|
| 5.7L 8-cylinder [L] L | 5 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 15W-40 (Above -12°C) SAE 20W-20 (Above -7°C) 30 (Above 4°C) SAE 5W-30 (Below 16°C) | GM 19431429 |
Select Your 1985 GMC G2500 Engine Option
5.7L 8-cylinder Engine Code [L] L
Engine:
5.7L 8-cylinder [L] L [aka 5.7L V8 (Gas)]
Body & Trims:
Rally, Rally STX, Vandura
Oil Capacity:
5 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
OEM Oil Filter:
Oil Filter Replaces:
25014831, 25160561, 6438384, 89060468
1985 GMC G2500 5.7L 8-cylinder [L] L oil change details
Oil Grade:
API*
Oil Capacity:
5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C) - SAE 10W-30 is preferred.
SAE 15W-40 (Above -12°C)
SAE 20W-20 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
Name of Oil Filter:
N/A
Wix Oil Filter:
Wix Air Filter:
N/A
Coolant Capacity:
16.9 quarts - For models WithOut a rear heater.
19.5 quarts - For models with a rear heater.
Oil Drain Plug Torque:
20 ft/lbs (Oil Drain Plug)
Notes:
N/A