Honda CRF450 RX Oil & Air Filter
GarageDex's powersports data shows the Honda CRF450 RX uses air filter HFF1036 and oil filter HF116. Filter fitment varies by year - see the table for each range.
Filter fitment by year
| Years | Air filter | Oil filter | Performance oil |
|---|---|---|---|
| 2025-2026 | HFF1036 | HF116 | - |
| 2024 | HFF1031 | HF116 | - |
| 2023 | HFF1034 | HF116 | - |
| 2021-2022 | HFF1031 | HF116 | - |
| 2017-2020 | HFF1026 | HF116 | - |
Match the exact part code. Performance oil filters are optional racing-spec upgrades that fit the same mount.
Filters for your Honda CRF450 RX
The recommended parts are the HFF1036 air filter and the HF116 oil filter. Match those codes (or a listed equivalent) - powersports filters are model-specific, so the part code matters more than the brand.
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Frequently asked
What oil and air filter does a Honda CRF450 RX take?
GarageDex's powersports data shows the Honda CRF450 RX uses air filter HFF1036 and oil filter HF116. Filter fitment varies by year - see the table for each range.
What are the Honda CRF450 RX filter part numbers?
The Honda CRF450 RX uses air filter HFF1036 and oil filter HF116. Match the exact part code - powersports filters are model-specific.
Does the Honda CRF450 RX filter change by year?
Yes - the fitment differs across the years we cover: 2025-2026 uses air HFF1036, oil HF116; 2024 uses air HFF1031, oil HF116; 2023 uses air HFF1034, oil HF116; 2021-2022 uses air HFF1031, oil HF116; 2017-2020 uses air HFF1026, oil HF116. 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.