2008 Pontiac G8 engine air filter: Sizes & Replacement Parts
3.6L V6: WIX 49873; 6.0L V8: WIX 49873 / Purolator A35891. Pick the engine tab that matches your car before ordering.
Looking for the cabin / A/C air filter instead? 2008 Pontiac G8 cabin air filter →
Choose your engine size
The 2008 Pontiac G8 uses different engine air filter part numbers by engine. Select your engine, then use the part numbers in that panel.
Not sure which engine you have?
Check the sticker on the driver's door jamb (open the door and look at the door frame) — it lists the engine displacement. You can also look at the rear of the car: a V6 badge means the larger engine; no engine badge typically indicates the base 4-cylinder (I4). When in doubt, check your owner's manual or the underhood emissions sticker.
3.6L V6
Main catalog answer: WIX 49873
- Filter type
- Basic
- Sources
- WIX Filters
Links search this exact part number. Confirm 2008 Pontiac G8 and the 3.6L V6 engine in the seller's vehicle selector before checkout.
6.0L V8
Main catalog answer: WIX 49873 / Purolator A35891
- Filter type
- Basic
- Sources
- WIX Filters, Purolator Now
Links search this exact part number. Confirm 2008 Pontiac G8 and the 6.0L V8 engine in the seller's vehicle selector before checkout.
Fitment scope and limits
The 2008 Pontiac G8 can use different engine air filters by engine size. Use the row for 3.6L V6, 6.0L V8, then confirm that same engine in the seller's vehicle selector.
The checked catalogs did not provide source-backed replacement interval for this exact record, so this page does not publish those fields.
Catalogs can list more than one part number for the same vehicle. Use this page to compare the listed numbers, then use the seller's vehicle selector before ordering.
Source notes
Listed in 2 catalogs. These part numbers come from filter manufacturer catalogs. Use the source trail below to see which catalog supported this page.
| Source | Role | Supports | Checked |
|---|---|---|---|
| Purolator Now | Primary | Filter for 6.0L V8 | 2026-06-25 |
| WIX Filters | Corroboration | Filters for 2 engine options | 2026-06-25 |
Checked catalogs: Purolator Now, WIX Filters. Replacement interval is not listed unless a source provides it for this exact vehicle and engine row.
2008 Pontiac G8 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2008 Pontiac G8 cabin filter part numbers
- Engine air filter Match engine row Checked
- Oil type & capacity 2008 Pontiac G8 oil viscosity & fill amount
Questions this page answers
What engine air filter fits the 2008 Pontiac G8 3.6L V6?
Checked catalogs list WIX 49873 for the 2008 Pontiac G8 3.6L V6. The primary listing is WIX 49873. Confirm this part number in the seller's vehicle selector before ordering.
What engine air filter fits the 2008 Pontiac G8 6.0L V8?
Checked catalogs list WIX 49873, Purolator A35891 for the 2008 Pontiac G8 6.0L V8. The primary listing is WIX 49873 / Purolator A35891. Confirm this part number in the seller's vehicle selector before ordering.
How do I know which engine my 2008 Pontiac G8 has?
Check the sticker on the driver's door jamb — it lists the engine displacement. A "V6" badge on the rear of the car means the larger engine. No engine badge typically means the base 4-cylinder (I4). When in doubt, check your owner's manual or the underhood emissions sticker.
Is the 2008 Pontiac G8 engine air filter the same across all engine options?
The 2008 Pontiac G8 can use different engine air filters by engine size. Use the row for 3.6L V6, 6.0L V8, then confirm that same engine in the seller's vehicle selector.
Does this page confirm a replacement interval?
The checked catalogs did not provide source-backed replacement interval for this exact record, so this page does not publish those fields.
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