Yamaha WR450 F Air & Oil Filter
The Yamaha WR450 F (2003-2026) takes a HF140 oil filter and a HFF4031 air filter.
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Key takeaways
- Oil filter: HF140.
- Air filter: HFF4031.
- Change the oil filter at every oil change; check the air filter each service.
- Covers 2003-2026 (filter changed across years - see table).
Verified fitLast checked
Sources: Hiflofiltro application catalogue
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.
Buy the filters for your Yamaha WR450 F
Shop the HF140 oil filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop Shop the HFF4031 air filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop
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Yamaha WR450 F filters by year
| Years | Oil filter | Air filter |
|---|---|---|
| 2024-2026 | HF140 | HFF4031 |
| 2019-2023 | HF140 | HFF4030 |
| 2016-2018 | HF140 | HFF4023 |
| 2003-2008 | HF141 | HFF4014 |
Frequently asked
What oil filter does a Yamaha WR450 F take?
The Yamaha WR450 F takes a HF140 oil filter on recent years; see the by-year table for earlier models. That part number, or a listed equivalent, is a direct fit.
What air filter does a Yamaha WR450 F take?
The Yamaha WR450 F takes a HFF4031 air filter. That part number, or a listed equivalent, is a direct fit.
How often should I change the filters on a Yamaha WR450 F?
Change the oil filter at every oil change, and inspect the air filter at each service - replace it when dirty, sooner if you ride in dust or off-road. Always follow your owner's manual interval.
More parts for your Yamaha WR450 F
We cover the other consumables for your machine too - the exact fit, cited, in one place.