The FOX 803-01-431 seal kit has the seals to rebuild the FIT4 cartridge in 2020 and newer FOX 32 and 34 forks that are not Step Cast, with an 8 mm shaft.

What it's for

A damper rebuild replaces the seals inside the damper and the damper oil. Do it when damping feels inconsistent, the damper leaks, or the service interval is up.

Compatibility

• Fits: FOX 32 and 34 (non Step Cast), FIT4, 8 mm shaft, 2020 and newer
• Does not fit: Step Cast 32 and 34 (use 803-01-323)
• How to check yours: FOX lists your fork or shock's exact model and year from the ID code on the product. Look it up on ridefox.com before ordering

Setup and installation

• Follow the FOX service procedure for your model on tech.ridefox.com
• Suspension service is technical work. OMG's bike shop can do it for you

Care and service

• FOX service interval: every 125 hours of riding or once a year, whichever comes first
• Service sooner for bike park, downhill, electric bikes, or wet, muddy, or dusty riding

Specs

• FOX part number: 803-01-431