2018 Volkswagen Passat engine air filter: Sizes & Replacement Parts
2.0L I4 turbo: WIX 49020; 2.5L: WIX 49186; 3.6L V6 naturally aspirated: WIX WA10307 / Purolator A35811. Pick the engine tab that matches your car before ordering.
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Choose your engine size
The 2018 Volkswagen Passat 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.
2.0L I4 turbo
Main catalog answer: WIX 49020
- Filter type
- Basic
- Sources
- WIX Filters
Links search this exact part number. Confirm 2018 Volkswagen Passat and the 2.0L I4 turbo engine in the seller's vehicle selector before checkout.
2.5L
Main catalog answer: WIX 49186
- Filter type
- Basic
- Sources
- WIX Filters
Links search this exact part number. Confirm 2018 Volkswagen Passat and the 2.5L engine in the seller's vehicle selector before checkout.
3.6L V6 naturally aspirated
Main catalog answer: WIX WA10307 / Purolator A35811
- Filter type
- Basic
- Sources
- WIX Filters, Purolator Now
Links search this exact part number. Confirm 2018 Volkswagen Passat and the 3.6L V6 naturally aspirated engine in the seller's vehicle selector before checkout.
Fitment scope and limits
The 2018 Volkswagen Passat can use different engine air filters by engine size. Use the row for 2.0L I4 turbo, 2.5L, 3.6L V6 naturally aspirated, 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 3.6L V6 naturally aspirated | 2026-06-26 |
| WIX Filters | Corroboration | Filters for 3 engine options | 2026-06-26 |
Checked catalogs: Purolator Now, WIX Filters. Replacement interval is not listed unless a source provides it for this exact vehicle and engine row.
2018 Volkswagen Passat maintenance checklist
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Questions this page answers
What engine air filter fits the 2018 Volkswagen Passat 2.0L I4 turbo?
Checked catalogs list WIX 49020 for the 2018 Volkswagen Passat 2.0L I4 turbo. The primary listing is WIX 49020. Confirm this part number in the seller's vehicle selector before ordering.
What engine air filter fits the 2018 Volkswagen Passat 2.5L?
Checked catalogs list WIX 49186 for the 2018 Volkswagen Passat 2.5L. The primary listing is WIX 49186. Confirm this part number in the seller's vehicle selector before ordering.
What engine air filter fits the 2018 Volkswagen Passat 3.6L V6 naturally aspirated?
Checked catalogs list WIX WA10307, Purolator A35811 for the 2018 Volkswagen Passat 3.6L V6 naturally aspirated. The primary listing is WIX WA10307 / Purolator A35811. Confirm this part number in the seller's vehicle selector before ordering.
How do I know which engine my 2018 Volkswagen Passat 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 2018 Volkswagen Passat engine air filter the same across all engine options?
The 2018 Volkswagen Passat can use different engine air filters by engine size. Use the row for 2.0L I4 turbo, 2.5L, 3.6L V6 naturally aspirated, 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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