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2005 Chevrolet Trailblazer Oil Capacity, Types, & Filters

Your essential guide to 2005 Chevrolet Trailblazer oil change is here! No more searching – find all the critical oil specs for your 2005 Chevrolet Trailblazer, 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 2005 Chevrolet Trailblazer oil change!

Scroll Table ➜

Engine & CodeOil CapacityOil Viscosity/TypeOil Filter
4.2L 6-cylinder [S] LL8 S7 quarts (with filter)SAE 5W-30 (All TEMPS)GM 12731179
5.3L 8-cylinder [M] LH6 M6 quarts (with filter)SAE 5W-30 (All TEMPS)N/A

Select Your 2005 Chevrolet Trailblazer Engine Option

4.2L 6-cylinder Engine Code [S] LL8 S

Engine:

4.2L 6-cylinder [S] LL8 S [aka 4.2L L6 (Gas)]

Body & Trims:

LS, LT

Oil Capacity:

7 quarts (with filter)

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

OEM Oil Filter:

GM 12731179

Oil Filter Replaces:

12576499, 19210285, 19256044, 25010324, 25014377, 6437462, 89017342

2005 Chevrolet Trailblazer 4.2L 6-cylinder [S] LL8 S oil change details

Oil Grade:

SEO23

Oil Capacity:

7 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS) - SAE 5W-30 is the preferred oil.

Name of Oil Filter:

N/A

Wix Oil Filter:

51522-EA

Wix Air Filter:

42729-EA

Coolant Capacity:

13.8 quarts - For Extended Wheelbase (EXTD WHBS) models.
10.8 quarts - For Standard Wheelbase (STD WHBS) models.

Oil Drain Plug Torque:

19 ft/lbs (Oil Drain Plug)

Notes:

N/A

5.3L 8-cylinder Engine Code [M] LH6 M

Engine:

5.3L 8-cylinder [M] LH6 M [aka 5.3L 8-cylinder]

Body & Trims:

All

Oil Capacity:

6 quarts (with filter)

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

OEM Oil Filter:

N/A

Oil Filter Replaces:

N/A

2005 Chevrolet Trailblazer 5.3L 8-cylinder [M] LH6 M oil change details

Oil Grade:

SEO23

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 5W-30 (All TEMPS)

Name of Oil Filter:

N/A

Wix Oil Filter:

51042-EA

Wix Air Filter:

42729-EA

Coolant Capacity:

15.3 quarts - For Extended Wheelbase (EXTD WHBS) models.
12.3 quarts - For Standard Wheelbase (STD WHBS) models.

Oil Drain Plug Torque:

18 ft/lbs (Oil Drain Plug)

Notes:

N/A

Chevrolet Trailblazer – Engine Oil details by Year