KTM 300 EXC Six Days Oil & Air Filter
GarageDex's powersports data shows the KTM 300 EXC Six Days 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 |
|---|---|---|---|
| 2026 | HFF5021 | - | - |
| 2024 | HFF5021 | - | - |
| 2023 | HFF5019 | - | - |
| 2017-2018 | HFF5019 | - | - |
| 2012-2016 | HFF5018 | - | - |
| 2010-2011 | HFF5016 | - | - |
Match the exact part code. Performance oil filters are optional racing-spec upgrades that fit the same mount.
Filters for your KTM 300 EXC Six Days
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 300 EXC Six Days take?
GarageDex's powersports data shows the KTM 300 EXC Six Days uses air filter HFF5021. Filter fitment varies by year - see the table for each range.
What are the KTM 300 EXC Six Days filter part numbers?
The KTM 300 EXC Six Days uses air filter HFF5021. Match the exact part code - powersports filters are model-specific.
Does the KTM 300 EXC Six Days filter change by year?
Yes - the fitment differs across the years we cover: 2026 uses air HFF5021; 2024 uses air HFF5021; 2023 uses air HFF5019; 2017-2018 uses air HFF5019; 2012-2016 uses air HFF5018; 2010-2011 uses air HFF5016. 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.