Fill Tool for Seal Screw Shocks

The FOX Factory Fill Tool for Seal Screw Shocks (MPN 803-00-894) is an essential maintenance and service accessory designed for technicians and enthusiasts working with FOX suspension systems. This precision tool addresses a critical need in shock servicing: safely and accurately filling sealed damper units without introducing contamination or air into the internal chambers.

Whether you're performing routine maintenance on high-performance off-road suspension or conducting professional-level repairs, this fill tool ensures your shocks maintain their calibrated pressure and damping characteristics. Engineered by FOX Factory, a leader in suspension technology, this tool is specifically designed to work with seal screw shock designs where internal pressure management is critical to performance.

This fill tool is indispensable for anyone servicing FOX coilover shocks, remote reservoirs, or air-spring units found on lifted trucks, performance suspension platforms, and race-oriented vehicles. Its precision engineering ensures proper engagement with seal screw fittings, preventing cross-threading and damage to delicate shock internals while delivering measured volumes of damping fluid or nitrogen charge without air contamination.