KTM 450 SX / EXC / MXC Air & Oil Filter
The KTM 450 SX / EXC / MXC (2003-2006) takes a HF157 oil filter and a HFF5013 air filter.
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Key takeaways
- Oil filter: HF157.
- Air filter: HFF5013.
- Change the oil filter at every oil change; check the air filter each service.
- Covers 2003-2006 (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 KTM 450 SX / EXC / MXC
Shop the HF157 oil filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop Shop the HFF5013 air filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop
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KTM 450 SX / EXC / MXC filters by year
| Years | Oil filter | Air filter |
|---|---|---|
| 2003-2006 | HF157 | HFF5013 |
| 2003-2006 | HF155 | HFF5013 |
Frequently asked
What oil filter does a KTM 450 SX / EXC / MXC take?
The KTM 450 SX / EXC / MXC takes a HF157 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 KTM 450 SX / EXC / MXC take?
The KTM 450 SX / EXC / MXC takes a HFF5013 air filter. That part number, or a listed equivalent, is a direct fit.
How often should I change the filters on a KTM 450 SX / EXC / MXC?
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 KTM 450 SX / EXC / MXC
We cover the other consumables for your machine too - the exact fit, cited, in one place.