CPI 50 Popcorn / SL / FL Air & Oil Filter
The CPI 50 Popcorn / SL / FL (1999-2004) takes a HFA4001DS air filter.
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Key takeaways
- Oil filter: not listed for this model.
- Air filter: HFA4001DS.
- Change the oil filter at every oil change; check the air filter each service.
- Covers 1999-2004.
Oil Filter-
Air FilterHFA4001DS
Verified fitLast checked
Sources: Hiflofiltro application catalogue
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.
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Frequently asked
What air filter does a CPI 50 Popcorn / SL / FL take?
The CPI 50 Popcorn / SL / FL takes a HFA4001DS air filter. That part number, or a listed equivalent, is a direct fit.
How often should I change the filters on a CPI 50 Popcorn / SL / FL?
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 CPI 50 Popcorn / SL / FL
We cover the other consumables for your machine too - the exact fit, cited, in one place.