1999 GMC P3500 STEP VAN Oil Capacity, Types, & Filters

Your essential guide to 1999 GMC P3500 STEP VAN oil change is here! No more searching – find all the critical oil specs for your 1999 GMC P3500 STEP VAN, 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 1999 GMC P3500 STEP VAN oil change!

Scroll Table ➜

Engine & Code	Oil Capacity	Oil Viscosity/Type	Oil Filter
6.5L 8-cylinder [F] L65 F Diesel Turbo	N/A	N/A	GM 19431429
6.5L 8-cylinder [Y] L57 Y Diesel	N/A	N/A	GM 19431429
7.4L 8-cylinder [B] L21 B	N/A	N/A	GM 19431429
7.4L 8-cylinder [J] L29 J	N/A	N/A	GM 19431429
4.3L 6-cylinder [W] L35 W	N/A	N/A	N/A
5.7L 8-cylinder [R] L31 R	N/A	N/A	N/A

Select Your 1999 GMC P3500 STEP VAN Engine Option

6.5L 8-cylinder Engine Code [F] L65 F Diesel Turbo

Engine:

6.5L 8-cylinder [F] L65 F Diesel Turbo [aka 6.5L V8 (Diesel)]

Body & Trims:

Base

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

GM 19431429

Oil Filter Replaces:

25014831, 25160561, 6438384, 89060468

1999 GMC P3500 STEP VAN 6.5L 8-cylinder [F] L65 F Diesel Turbo oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51060-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

6.5L 8-cylinder Engine Code [Y] L57 Y Diesel

Engine:

6.5L 8-cylinder [Y] L57 Y Diesel [aka 6.5L V8 (Diesel)]

Body & Trims:

Base

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

GM 19431429

Oil Filter Replaces:

25014831, 25160561, 6438384, 89060468

1999 GMC P3500 STEP VAN 6.5L 8-cylinder [Y] L57 Y Diesel oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51060-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

7.4L 8-cylinder Engine Code [B] L21 B

Engine:

7.4L 8-cylinder [B] L21 B [aka 7.4L V8 (Gas)]

Body & Trims:

Base

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

GM 19431429

Oil Filter Replaces:

25014831, 25160561, 6438384, 89060468

1999 GMC P3500 STEP VAN 7.4L 8-cylinder [B] L21 B oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51060-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

7.4L 8-cylinder Engine Code [J] L29 J

Engine:

7.4L 8-cylinder [J] L29 J [aka 7.4L V8 (Gas)]

Body & Trims:

Base

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

GM 19431429

Oil Filter Replaces:

25014831, 25160561, 6438384, 89060468

1999 GMC P3500 STEP VAN 7.4L 8-cylinder [J] L29 J oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51060-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

4.3L 6-cylinder Engine Code [W] L35 W

Engine:

4.3L 6-cylinder [W] L35 W [aka 4.3L 6-cylinder]

Body & Trims:

All

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

N/A

Oil Filter Replaces:

N/A

1999 GMC P3500 STEP VAN 4.3L 6-cylinder [W] L35 W oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51036-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

5.7L 8-cylinder Engine Code [R] L31 R

Engine:

5.7L 8-cylinder [R] L31 R [aka 5.7L 8-cylinder]

Body & Trims:

All

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

N/A

Oil Filter Replaces:

N/A

1999 GMC P3500 STEP VAN 5.7L 8-cylinder [R] L31 R oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51036-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

GMC P3500 STEP VAN – Engine Oil details by Year