Honda TRX420 FM Fourtrax Rancher 4x4 Oil & Air Filter
GarageDex's powersports data shows the Honda TRX420 FM Fourtrax Rancher 4x4 uses air filter HFF1029 and oil filter HF113. Filter fitment varies by year - see the table for each range.
Filter fitment by year
| Years | Air filter | Oil filter | Performance oil |
|---|---|---|---|
| 2014-2026 | HFF1029 | HF113 | - |
| 2007-2013 | HFF1027 | HF113 | - |
Match the exact part code. Performance oil filters are optional racing-spec upgrades that fit the same mount.
Filters for your Honda TRX420 FM Fourtrax Rancher 4x4
The recommended parts are the HFF1029 air filter and the HF113 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 TRX420 FM Fourtrax Rancher 4x4 take?
GarageDex's powersports data shows the Honda TRX420 FM Fourtrax Rancher 4x4 uses air filter HFF1029 and oil filter HF113. Filter fitment varies by year - see the table for each range.
What are the Honda TRX420 FM Fourtrax Rancher 4x4 filter part numbers?
The Honda TRX420 FM Fourtrax Rancher 4x4 uses air filter HFF1029 and oil filter HF113. Match the exact part code - powersports filters are model-specific.
Does the Honda TRX420 FM Fourtrax Rancher 4x4 filter change by year?
Yes - the fitment differs across the years we cover: 2014-2026 uses air HFF1029, oil HF113; 2007-2013 uses air HFF1027, oil HF113. 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.