Triumph 660 Trident Air & Oil Filter
The Triumph 660 Trident (2021-2026) takes a HF204 oil filter and a HFA6515 air filter.
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Key takeaways
- Oil filter: HF204 (performance: HF204RC).
- Air filter: HFA6515.
- Change the oil filter at every oil change; check the air filter each service.
- Covers 2021-2026.
Verified fitLast checked
Sources: Hiflofiltro application catalogue
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.
Buy the filters for your Triumph 660 Trident
Shop the HF204 oil filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop Shop the HFA6515 air filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop
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Frequently asked
What oil filter does a Triumph 660 Trident take?
The Triumph 660 Trident takes a HF204 oil filter (or the HF204RC performance version). That part number, or a listed equivalent, is a direct fit.
What air filter does a Triumph 660 Trident take?
The Triumph 660 Trident takes a HFA6515 air filter. That part number, or a listed equivalent, is a direct fit.
How often should I change the filters on a Triumph 660 Trident?
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 Triumph 660 Trident
We cover the other consumables for your machine too - the exact fit, cited, in one place.