2024 Honda Rancher Oil Filter Replacement Cost. The oil filter for the 2021 honda trx420tm1 fourtrax rancher with a 420 engine. Buy now from k&n's online store and get a 100% money back guarantee on any oil filter!

The bolts are to keep the cover from falling off. An oil change on a trx 420 honda atv is standard maintenance, and an important way to keep your atv’s engine healthy.