Air Filter Specification
Verified OEM & Service Reference2021 Lexus NX NX 350 2.4L Turbo I4 (T24A-FTS) — Air Filter
Recommended interval: Every 15,000–30,000 miles (inspect annually)
Engine / Trim Variant
OEM Part Number
17801-25040
Quick Purchase
Check verified fitment on Amazon
Compatible Aftermarket Options
Direct OEM cross-referencesNo aftermarket cross-reference listed yet. Search directly for compatible air filter options:
Search 2021 Lexus NX NX 350 (17801-25040) on AmazonAir Filter Fitment by Engine / Trim (2021 Lexus NX)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| NX 250 (2.5L I4) | 0W-16 • 4.8 qt (4.5L) | 04152-YZZA6 |
| NX 350 (2.4L Turbo) | 0W-20 • 5.4 qt (5.1L) | 04152-31110 |
DIY Fitment & Verification Checklist for 2021 Lexus NX
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect air filter fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 2021 Lexus NX owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM air filter specification for a 2021 Lexus NX?
The primary OEM air filter part number / specification for the 2021 Lexus NX NX 350 2.4L Turbo I4 (T24A-FTS) is 17801-25040.
Which aftermarket air filter brands fit the 2021 Lexus NX?
Use your 17-digit VIN to confirm direct-fit aftermarket air filter replacements on Amazon.