2023 Toyota 4Runner engine air filter: Sizes & Replacement Parts
Catalog-backed engine air filter part numbers for the 2023 Toyota 4Runner 4.0L V6 naturally aspirated include WIX 49350 / Purolator A36122. Confirm the final part number before checkout.
Looking for the cabin / A/C air filter instead? 2023 Toyota 4Runner cabin air filter →
Choose your engine size
The 2023 Toyota 4Runner uses different engine air filter part numbers by engine. Select your engine, then use the part numbers in that panel.
4.0L V6 naturally aspirated
Main catalog answer: WIX 49350 / Purolator A36122
- Filter type
- Basic
- Sources
- WIX Filters, Purolator Now, Bosch Auto Parts
The Direct Fit part is the primary catalog listing for this engine row. Purolator TA36122, Bosch 5427WS are also listed by checked catalogs for this same engine row.
Links search this exact part number. Confirm 2023 Toyota 4Runner and the 4.0L V6 naturally aspirated engine in the seller's vehicle selector before checkout.
Fitment scope and limits
This 2023 Toyota 4Runner engine air filter page has one checked engine row. Confirm the same vehicle in the seller's selector before checkout.
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 3 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 |
|---|---|---|---|
| Bosch Auto Parts | Primary | Filter for 4.0L V6 naturally aspirated | 2026-06-26 |
| Purolator Now | Corroboration | Filter for 4.0L V6 naturally aspirated | 2026-06-26 |
| WIX Filters | Corroboration | Filter for 4.0L V6 naturally aspirated | 2026-06-26 |
Checked catalogs: Bosch Auto Parts, Purolator Now, WIX Filters. Replacement interval is not listed unless a source provides it for this exact vehicle and engine row.
2023 Toyota 4Runner maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2023 Toyota 4Runner cabin filter part numbers
- Engine air filter WIX 49350 / Purolator A36122 Checked
- Wiper blade size 2023 Toyota 4Runner driver & passenger blade sizes
- Oil type & capacity 2023 Toyota 4Runner oil viscosity & fill amount
Questions this page answers
What engine air filter fits the 2023 Toyota 4Runner 4.0L V6 naturally aspirated?
Checked catalogs list WIX 49350, Purolator A36122, Purolator TA36122, Bosch 5427WS for the 2023 Toyota 4Runner 4.0L V6 naturally aspirated. The primary listing is WIX 49350 / Purolator A36122, with Purolator TA36122, Bosch 5427WS also listed. Confirm this part number in the seller's vehicle selector before ordering.
Is the 2023 Toyota 4Runner engine air filter the same across all engine options?
This 2023 Toyota 4Runner engine air filter page has one checked engine row. Confirm the same vehicle in the seller's selector before checkout.
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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