2023 Lexus NX250 engine air filter: Sizes & Replacement Parts
Catalog-backed engine air filter part numbers for the 2023 Lexus NX250 2.5L I4 naturally aspirated include WIX WA10859 / Purolator A31400. Confirm the final part number before checkout.
Looking for the cabin / A/C air filter instead? 2023 Lexus NX250 cabin air filter →
Choose your engine size
The 2023 Lexus NX250 uses different engine air filter part numbers by engine. Select your engine, then use the part numbers in that panel.
2.5L I4 naturally aspirated
Main catalog answer: WIX WA10859 / Purolator A31400
- Filter type
- Basic
- Sources
- WIX Filters, Purolator Now
The Direct Fit part is the primary catalog listing for this engine row. Purolator TA31400 is also listed by checked catalogs for this same engine row.
Links search this exact part number. Confirm 2023 Lexus NX250 and the 2.5L I4 naturally aspirated engine in the seller's vehicle selector before checkout.
Fitment scope and limits
This 2023 Lexus NX250 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 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 2.5L I4 naturally aspirated | 2026-06-26 |
| WIX Filters | Corroboration | Filter for 2.5L I4 naturally aspirated | 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.
2023 Lexus NX250 maintenance checklist
One part checked. Look up the rest while you're here.
- Cabin air filter 2023 Lexus NX250 cabin filter part numbers
- Engine air filter WIX WA10859 / Purolator A31400 Checked
- Wiper blade size 2023 Lexus NX250 driver & passenger blade sizes
- Oil type & capacity 2023 Lexus NX250 oil viscosity & fill amount
Questions this page answers
What engine air filter fits the 2023 Lexus NX250 2.5L I4 naturally aspirated?
Checked catalogs list WIX WA10859, Purolator A31400, Purolator TA31400 for the 2023 Lexus NX250 2.5L I4 naturally aspirated. The primary listing is WIX WA10859 / Purolator A31400, with Purolator TA31400 also listed. Confirm this part number in the seller's vehicle selector before ordering.
Is the 2023 Lexus NX250 engine air filter the same across all engine options?
This 2023 Lexus NX250 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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