Checked oil specs by engine

2008 Chevrolet Trailblazer oil capacity, type & filter

The 2008 Chevrolet Trailblazer oil capacity is 7 qt (4.2L 6-Cyl) and 6 qt (5.3L V8) and 6 qt (6.0L V8). All engines use 5W-30 oil.

2008 Chevrolet Trailblazer oil specs by engine
Engine Capacity Oil Type Filter
4.2L 6-Cyl 7 qt 5W-30 WIX 51522
5.3L V8 6 qt 5W-30 WIX 51032
6.0L V8 6 qt 5W-30 AMSOIL EA15K50

Match one of 3 checked engine options before buying oil or a filter.

4.2L 6-Cyl
Capacity 7 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 7 qt total; listed capacity is 7 qt.
Oil type 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
WIX Shown first 51522 Search 51522 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 Purolator L25288 Search L25288 CHAMP / LUBER-FINER PH59 Search PH59

WIX 51522 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

5.3L V8
Capacity 6 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 6 qt total; listed capacity is 6 qt.
Oil type 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
WIX Shown first 51032 Search 51032 WIX 51036 Search 51036 WIX 51040 Search 51040 WIX 51042 Search 51042 Purolator L12222 Search L12222 PG2222 Search PG2222

WIX 51032 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

6.0L V8
Capacity 6 qt i Capacity condition is not listed in the checked data, so confirm whether the service-fill amount includes a new filter before adding oil. See how we verify. Learn how we verify fitment Verified fit Buy at least 6 qt total; listed capacity is 6 qt.
Oil type 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
AMSOIL Shown first EA15K50 Search EA15K50 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 Purolator L12222 Search L12222 PG2222 Search PG2222

AMSOIL EA15K50 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

5 sources checked Last checked: 2026-06-24 How we verify →

Full synthetic options for 5W-30

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

2008 Chevrolet Trailblazer oil specs: capacity conditions and filter notes

Which engine applies?

Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.

Filter part numbers

All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.

Verify before checkout

Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.

Source coverage for the 2008 Chevrolet Trailblazer

Capacity sources

Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).

Oil type sources

Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).

Filter sources

Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.

Source coverage

5 checked source rows for the 2008 Chevrolet Trailblazer.

Before ordering for this 2008 Chevrolet Trailblazer

Checkout verification checklist
4.2L 6-Cyl Verified fit Buy →
Capacity
7 qt
Oil type
5W-30
Interval
12 mo
Filter
WIX 51522
5.3L V8 Verified fit Buy →
Capacity
6 qt
Oil type
5W-30
Interval
12 mo
Filter
WIX 51032
6.0L V8 Verified fit Buy →
Capacity
6 qt
Oil type
5W-30
Interval
12 mo
Filter
AMSOIL EA15K50

Source check: Last checked 2026-06-24 from AMSOIL Lookup, Pennzoil OATS, Purolator Part Finder, RockAuto, and Castrol (Olyslager).

Chevrolet Trailblazer oil specs by year

This table includes checked Chevrolet Trailblazer model years available in our database.

Year Capacity Oil type Filter
2025 4.2 qt (multiple engines) 0W-20 AMSOIL EA15K50
2024 4.2 qt (multiple engines) 5W-30 AMSOIL EA15K50
2023 4.2 qt (multiple engines) 5W-30 AMSOIL EA15K50
2022 4.2 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH10064
2021 4.2 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH10064
2009 7 qt (multiple engines) 5W-30 WIX 51522
2008 Current page 7 qt (multiple engines) 5W-30 WIX 51522
2007 7 qt (multiple engines) 5W-30 WIX 51522
2006 7 qt (multiple engines) 5W-30 WIX 51522
2005 7 qt (multiple engines) 5W-30 WIX 51522

How we verified 2008 Chevrolet Trailblazer oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-24.

This page checked 5 sources for the 2008 Chevrolet Trailblazer. The table lists which checked source contributed capacity, oil type, or filter evidence.

We checked leading oil brands and aftermarket filter catalogs so you don't have to.

Confidence
Verified fit
Sources checked
5
Last checked
2026-06-24
Field-level source support
  • Capacity: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
  • Oil type: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
  • Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
  • Change interval: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
Source Supports Checked Link
AMSOIL Lookup Capacity, Oil type, Filter 2026-06-24 Visit brand site
Pennzoil OATS Capacity, Oil type 2026-06-24 Visit brand site
Purolator Part Finder Filter 2026-06-24 Visit brand site
RockAuto Filter 2026-06-24 Checked source
Castrol (Olyslager) Capacity, Oil type 2026-06-24 Visit brand site

2008 Chevrolet Trailblazer oil FAQ

Which engine configuration applies to my vehicle?

Use the door jamb sticker, owner's manual, or engine cover badge to identify your engine, then match it to the engine options listed above.

Is the oil capacity measured with or without the filter?

Capacity condition matters. With filter includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.

Why should I confirm before buying?

Retailer catalogs can update separately. Confirm the exact 2008 Chevrolet Trailblazer selector at checkout before you buy.

Do I also need to match the OEM oil approval?

Yes. Viscosity is only one part of the oil spec. Match the oil approval listed in your owner's manual or on the bottle before checkout.

How often should I change the oil on a 2008 Chevrolet Trailblazer?

Change intervals vary by engine option for this vehicle. Always follow your owner's manual and oil-life monitor. Severe service may require a shorter interval.

Do I need a new drain plug gasket?

Replace it when your vehicle uses a serviceable gasket or crush washer. Confirm the gasket size and drain plug torque from the service manual or parts counter.

2008 Chevrolet Trailblazer maintenance checklist

One part checked. Look up the rest while you're here.

Where to buy

These are retailer search paths for your vehicle's oil and filter specs. Verify final fitment at checkout.

This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.

Look up another vehicle

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