1988 GMC R2500 Oil Capacity, Types, & Filters
Your essential guide to 1988 GMC R2500 oil change is here! No more searching – find all the critical oil specs for your 1988 GMC R2500, 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 1988 GMC R2500 oil change!
Scroll Table ➜
| Engine & Code | Oil Capacity | Oil Viscosity/Type | Oil Filter |
|---|---|---|---|
| 4.8L 6-cylinder [K] K | N/A | N/A | GM 25010908 GM 19431429 GM 12731179 |
| 5.7L 8-cylinder [T] T | N/A | N/A | GM 25010908 GM 19431429 |
| 6.2L 8-cylinder [J] J Diesel | N/A | N/A | GM 19431429 |
| 7.4L 8-cylinder [N] N | N/A | N/A | GM 19431429 |
Select Your 1988 GMC R2500 Engine Option
4.8L 6-cylinder Engine Code [K] K
Engine:
4.8L 6-cylinder [K] K [aka 4.8L L6 (Gas)]
Body & Trims:
Base, High Sierra, Sierra Classic
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
OEM Oil Filter:
Oil Filter Replaces:
25014831, 25160561, 6438384, 89060468 and 12576499, 19210285, 19256044, 25010324, 25014377, 6437462, 89017342
1988 GMC R2500 4.8L 6-cylinder [K] K oil change details
Oil Grade:
N/A
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
Oil Drain Plug Torque:
N/A
Notes:
N/A
5.7L 8-cylinder Engine Code [T] T
Engine:
5.7L 8-cylinder [T] T [aka 5.7L V8 (Gas)]
Body & Trims:
Base, High Sierra, Sierra Classic
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
OEM Oil Filter:
Oil Filter Replaces:
25014831, 25160561, 6438384, 89060468
1988 GMC R2500 5.7L 8-cylinder [T] T oil change details
Oil Grade:
N/A
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
Oil Drain Plug Torque:
N/A
Notes:
N/A
6.2L 8-cylinder Engine Code [J] J Diesel
Engine:
6.2L 8-cylinder [J] J Diesel [aka 6.2L V8 (Diesel)]
Body & Trims:
Base, High Sierra, Sierra Classic
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
OEM Oil Filter:
Oil Filter Replaces:
25014831, 25160561, 6438384, 89060468
1988 GMC R2500 6.2L 8-cylinder [J] J Diesel oil change details
Oil Grade:
N/A
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
Oil Drain Plug Torque:
N/A
Notes:
N/A
7.4L 8-cylinder Engine Code [N] N
Engine:
7.4L 8-cylinder [N] N [aka 7.4L V8 (Gas)]
Body & Trims:
Base, High Sierra, Sierra Classic
Oil Capacity:
N/A
Oil Viscosity/Type:
N/A
OEM Oil Filter:
Oil Filter Replaces:
25014831, 25160561, 6438384, 89060468