Air Filter Specification
Verified OEM & Service Reference2021 Toyota Highlander 3.5L V6 (2GR-FKS) — Air Filter
Recommended interval: Every 15,000–30,000 miles (inspect annually)
Engine / Trim Variant
OEM Part Number
17801-31170
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 Toyota Highlander 3.5L V6 (17801-31170) on AmazonAir Filter Fitment by Engine / Trim (2021 Toyota Highlander)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| 3.5L V6 | 0W-20 • 5.8 qt (5.5L) | 04152-YZZA7 |
| 2.5L Hybrid (A25A-FXS) | 0W-16 • 4.8 qt (4.5L) | 04152-YZZA6 |
DIY Fitment & Verification Checklist for 2021 Toyota Highlander
- 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 Toyota Highlander 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 Toyota Highlander?
The primary OEM air filter part number / specification for the 2021 Toyota Highlander 3.5L V6 (2GR-FKS) is 17801-31170.
Which aftermarket air filter brands fit the 2021 Toyota Highlander?
Use your 17-digit VIN to confirm direct-fit aftermarket air filter replacements on Amazon.