The FOX 803-04-091 seal kit has the seals to rebuild the GRIP X damper in 2025 FOX 34, 36, and 38 forks and the Marzocchi Super Z.

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 34, 36, 38 with GRIP X damper (2025); Marzocchi Super Z
• Does not fit: GRIP X2, GRIP2, or GRIP dampers
• 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: 803-04-091