Checked oil specs by engine

2007 Hummer H3 oil capacity, type & filter

Multiple engine options are listed for the 2007 Hummer H3. Select your engine below before buying oil or a filter.

2007 Hummer H3 oil specs by engine
Engine Capacity Oil Type Filter
3.7L 5-Cyl 6 qt 5W-30 CHAMP / LUBER-FINER PH59
3.5L 6 qt 5W-30
5.3L V8 6 qt

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

3.7L 5-Cyl
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
CHAMP / LUBER-FINER Shown first PH59 Search PH59 Purolator L25288 Search L25288

Champ PH59 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

3.5L
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 i Based on 2 checked sources: Valvoline Product Finder and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.
5.3L V8
Capacity 6 qt i Based on 1 checked source: CarAraC Engine Oil. Additional cross-check is still pending: a second checked capacity source and capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type Not confirmed Confirm the viscosity grade for this engine before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.

6 sources checked Last checked: 2026-06-26 How we verify →

Full synthetic options for 5W-30

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

2007 Hummer H3 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.

Filter status

Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.

Verify before checkout

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

Source coverage for the 2007 Hummer H3

Capacity sources

Supported by Pennzoil OATS, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil.

Oil type sources

Supported by Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager).

Filter sources

Supported by Purolator Part Finder and RockAuto.

Source coverage

6 checked source rows for the 2007 Hummer H3.

Before ordering for this 2007 Hummer H3

Checkout verification checklist
3.7L 5-Cyl Verified fit Buy →
Capacity
6 qt
Oil type
5W-30
Filter
Champ PH59
3.5L Buy →
Capacity
6 qt
Oil type
5W-30
Filter
Unverified
5.3L V8 Buy →
Capacity
6 qt
Oil type
Unverified
Filter
Unverified

Source check: Last checked 2026-06-26 from Pennzoil OATS, RockAuto, Purolator Part Finder, Valvoline Product Finder, CarAraC Engine Oil, and Castrol (Olyslager).

Hummer H3 oil specs by year

This table includes checked Hummer H3 model years available in our database.

Year Capacity Oil type Filter
2010 6 qt (multiple engines) 5W-30 Purolator L25288
2009 6 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH59
2008 6 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH59
2007 Current page 6 qt (multiple engines) 5W-30 CHAMP / LUBER-FINER PH59
2006 6 qt 5W-30 CHAMP / LUBER-FINER PH59

How we verified 2007 Hummer H3 oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-26.

This page checked 6 sources for the 2007 Hummer H3. 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
Cross-check pending i Some oil fields are based on checked source data but still need stronger cross-check evidence. Review area: 3.5L oil type and 5.3L V8 capacity. Use the listed values as references and confirm the exact engine before ordering or adding oil. See how we verify. Learn how we verify fitment
Sources checked
6
Last checked
2026-06-26
Field-level source support
  • Capacity: Pennzoil OATS, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
  • Oil type: Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager)
  • Filter: Purolator Part Finder and RockAuto
Source Supports Checked Link
Pennzoil OATS Capacity, Oil type 2026-06-26 Visit brand site
RockAuto Filter 2026-06-26 Checked source
Purolator Part Finder Filter 2026-06-26 Visit brand site
Valvoline Product Finder Capacity, Oil type 2026-06-26 Checked source
CarAraC Engine Oil Capacity 2026-06-26 Checked source
Castrol (Olyslager) Capacity, Oil type 2026-06-26 Visit brand site

2007 Hummer H3 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 2007 Hummer H3 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 2007 Hummer H3?

Use the oil-life monitor or the interval in your owner's manual for this engine. Severe service can 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.

2007 Hummer H3 maintenance checklist

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

Where to buy

These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.

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

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