2003 GMC Sierra 2500 HD PICKUP Oil Capacity, Types, & Filters
Your essential guide to 2003 GMC Sierra 2500 HD PICKUP oil change is here! No more searching – find all the critical oil specs for your 2003 GMC Sierra 2500 HD PICKUP, 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 2003 GMC Sierra 2500 HD PICKUP oil change!
Scroll Table ➜
| Engine & Code | Oil Capacity | Oil Viscosity/Type | Oil Filter |
|---|---|---|---|
| 6.0L 8-cylinder [1] LB7 1 Diesel Turbo | 6 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 5W-30 (All TEMPS) | GM 12691158 |
| 6.0L 8-cylinder [U] 2 | 6 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 5W-30 (All TEMPS) | GM 12737094 |
| 6.0L 8-cylinder [U] U | 6 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 5W-30 (All TEMPS) | GM 12737094 |
| 6.0L 8-cylinder [U] 2 | 6 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 5W-30 (All TEMPS) | GM 12737094 |
| 6.6L 8-cylinder [U] U | 10 quarts (with filter) | SAE 15W-40, SAE 10W-30 (Above -18°C) SAE 5W-40 (Below -18°C) | GM 12737094 |
| 8.1L 8-cylinder [G] G | 6.4 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 5W-30 (All TEMPS) | N/A |
Select Your 2003 GMC Sierra 2500 HD PICKUP Engine Option
6.0L 8-cylinder Engine Code [1] LB7 1 Diesel Turbo
Engine:
6.0L 8-cylinder [1] LB7 1 Diesel Turbo [aka 6.0L V8 (Gas)]
Body & Trims:
Base, SLE, SLT, WT
Oil Capacity:
6 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 5W-30 (All TEMPS)
OEM Oil Filter:
Oil Filter Replaces:
12677108, 88917036, 97214983
2003 GMC Sierra 2500 HD PICKUP 6.0L 8-cylinder [1] LB7 1 Diesel Turbo oil change details
Oil Grade:
API*
Oil Capacity:
6 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 5W-30 (All TEMPS) - SAE 5W-30 is the preferred oil.
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
N/A
6.0L 8-cylinder Engine Code [U] 2
Engine:
6.0L 8-cylinder [U] 2 [aka 6.0L V8 (Gas)]
Body & Trims:
Base, SLE, SLT, WT
Oil Capacity:
6 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 5W-30 (All TEMPS)
OEM Oil Filter:
Oil Filter Replaces:
12731172, 19210283, 25010633, 25014748, 88984215
2003 GMC Sierra 2500 HD PICKUP 6.0L 8-cylinder [U] 2 oil change details
Oil Grade:
API*
Oil Capacity:
6 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 5W-30 (All TEMPS) - SAE 5W-30 is the preferred oil.
Name of Oil Filter:
N/A
Wix Oil Filter:
Wix Air Filter:
Coolant Capacity:
14.8 quarts - For models with a Manual Transmission (MT) and an oil cooler (OCOOL).
14.8 quarts - For models with an Automatic Transmission (AT).
15.2 quarts - For models with a Manual Transmission (MT).
14.8 quarts - For models with an Automatic Transmission (AT) and an oil cooler (OCOOL).
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
N/A
6.0L 8-cylinder Engine Code [U] U
Engine:
6.0L 8-cylinder [U] U [aka 6.0L V8 (CNG)]
Body & Trims:
Base, SLE, SLT, WT
Oil Capacity:
6 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 5W-30 (All TEMPS)
OEM Oil Filter:
Oil Filter Replaces:
12731172, 19210283, 25010633, 25014748, 88984215
2003 GMC Sierra 2500 HD PICKUP 6.0L 8-cylinder [U] U oil change details
Oil Grade:
API*
Oil Capacity:
6 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 5W-30 (All TEMPS) - SAE 5W-30 is the preferred oil.
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
N/A
6.0L 8-cylinder Engine Code [U] 2
Engine:
6.0L 8-cylinder [U] 2 [aka 6.0L V8 (CNG)]
Body & Trims:
Base, SLE, SLT, WT
Oil Capacity:
6 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 5W-30 (All TEMPS)
OEM Oil Filter:
Oil Filter Replaces:
12731172, 19210283, 25010633, 25014748, 88984215
2003 GMC Sierra 2500 HD PICKUP 6.0L 8-cylinder [U] 2 oil change details
Oil Grade:
API*
Oil Capacity:
6 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 5W-30 (All TEMPS) - SAE 5W-30 is the preferred oil.
Name of Oil Filter:
N/A
Wix Oil Filter:
Wix Air Filter:
Coolant Capacity:
14.8 quarts - For models with a Manual Transmission (MT) and an oil cooler (OCOOL).
14.8 quarts - For models with an Automatic Transmission (AT).
15.2 quarts - For models with a Manual Transmission (MT).
14.8 quarts - For models with an Automatic Transmission (AT) and an oil cooler (OCOOL).
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
N/A
6.6L 8-cylinder Engine Code [U] U
Engine:
6.6L 8-cylinder [U] U [aka 6.6L V8 (Diesel)]
Body & Trims:
Base, SLE, SLT, WT
Oil Capacity:
10 quarts (with filter)
Oil Viscosity/Type:
SAE 15W-40, SAE 10W-30 (Above -18°C)
SAE 5W-40 (Below -18°C)
OEM Oil Filter:
Oil Filter Replaces:
12731172, 19210283, 25010633, 25014748, 88984215
2003 GMC Sierra 2500 HD PICKUP 6.6L 8-cylinder [U] U oil change details
Oil Grade:
CG-4
Oil Capacity:
10 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Oil Viscosity/Type:
SAE 15W-40, SAE 10W-30 (Above -18°C) - SAE 15W-40 is the preferred oil.
SAE 5W-40 (Below -18°C) - This oil improves the engine's ability to start in cold weather.
Oil Drain Plug Torque:
13 mm Hex - 18 ft/lbs (Oil Drain Plug).
16 mm Hex - 62 ft/lbs (Oil Drain Plug)
Notes:
N/A
8.1L 8-cylinder Engine Code [G] G
Engine:
8.1L 8-cylinder [G] G [aka 8.1L 8-cylinder]
Body & Trims:
All
Oil Capacity:
6.4 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 5W-30 (All TEMPS)
OEM Oil Filter:
N/A
Oil Filter Replaces:
N/A
2003 GMC Sierra 2500 HD PICKUP 8.1L 8-cylinder [G] G oil change details
Oil Grade:
API*
Oil Capacity:
6.4 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 5W-30 (All TEMPS) - SAE 5W-30 is the preferred oil.
Oil Drain Plug Torque:
21 ft/lbs (Oil Drain Plug)
Notes:
N/A