KTM 250 SX Oil & Air Filter
GarageDex's powersports data shows the KTM 250 SX uses air filter HFF5021. Filter fitment varies by year - see the table for each range.
Filter fitment by year
| Years | Air filter | Oil filter | Performance oil |
|---|---|---|---|
| 2023-2026 | HFF5021 | - | - |
| 2023-2026 | HFF5021 | HF652 | - |
| 2022-2024 | HFF5021 | HF652 | - |
| 2021-2022 | HFF5019 | HF652 | - |
| 2017-2022 | HFF5019 | - | - |
| 2016-2020 | HFF5019 | HF652 | - |
| 2013-2015 | HFF5018 | HF652 | - |
| 2011-2012 | HFF5018 | HF655 | - |
| 2011-2016 | HFF5018 | - | - |
| 2008-2010 | HFF5016 | HF655 | - |
| 2007-2010 | HFF5016 | - | - |
| 2005-2007 | HFF5013 | HF655 | - |
| 2004-2006 | HFF5013 | - | - |
| 1998-2003 | HFF5012 | - | - |
Match the exact part code. Performance oil filters are optional racing-spec upgrades that fit the same mount.
Filters for your KTM 250 SX
The recommended part is the HFF5021 air filter. Match that code (or a listed equivalent) - powersports filters are model-specific, so the code matters more than the brand.
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Frequently asked
What oil and air filter does a KTM 250 SX take?
GarageDex's powersports data shows the KTM 250 SX uses air filter HFF5021. Filter fitment varies by year - see the table for each range.
What are the KTM 250 SX filter part numbers?
The KTM 250 SX uses air filter HFF5021. Match the exact part code - powersports filters are model-specific.
Does the KTM 250 SX filter change by year?
Yes - the fitment differs across the years we cover: 2023-2026 uses air HFF5021; 2023-2026 uses air HFF5021, oil HF652; 2022-2024 uses air HFF5021, oil HF652; 2021-2022 uses air HFF5019, oil HF652; 2017-2022 uses air HFF5019; 2016-2020 uses air HFF5019, oil HF652; 2013-2015 uses air HFF5018, oil HF652; 2011-2012 uses air HFF5018, oil HF655; 2011-2016 uses air HFF5018; 2008-2010 uses air HFF5016, oil HF655; 2007-2010 uses air HFF5016; 2005-2007 uses air HFF5013, oil HF655; 2004-2006 uses air HFF5013; 1998-2003 uses air HFF5012. Match your exact year in the table.
How often should I change a powersports oil and air filter?
Change the oil filter at every oil service - typically every 3,000-4,000 miles or once a season. Clean or replace the air filter more often if you ride dusty trails; a clogged filter chokes power and fuel economy.