DuttonLainson Company DL 6332 Grease Keeper Caps RustResistant Grease Keeper Wheel Bearing Protector and Steel Dust Cap with Pressure Relief Valve 1 in 1116 in Made in USA

PROTECTS WHEEL BEARINGS These zincplated trailer bearing dust caps create a positive hub seal protecting wheel bearings from water and dirt The grease keeper wheel bearing caps for trailers maintain clean bearing grease while preventing washout during boat launching Each trailer hub dust cap includes a pressure relief valve that prevents overpressurization extending trailer wheel bearings life and reducing maintenance on boat trailer hubs EASY MAINTENANCE Featuring a grease zerk fitting these boat trailer bearing caps allow quick lubrication without removing the wheel hub The design extends the time between bearing repacking saving money on trailer parts maintenance Unlike standard dust caps for trailer hubs the zerk permits frequent greasing while the relief valve protects seals No complicated moving parts or gaskets means these trailer dust caps provide reliable maintenancefree protection QUICK INSTALLATION Install these trailer hub grease caps in seconds using just a rubber mallet no hub removal needed The snugfitting steel construction replaces standard trailer bearing caps on 1 and 1116 spindles compatible with bearing kit models 6502 6503 and 6507 Each package includes two bearing protectors and two vinyl dust covers for complete axle protection Made in the USA quality ensures these trailer accessories deliver lasting performance MARINEGRADE PROTECTION Designed for boat trailer wheel bearings facing frequent water submersion these trailer grease caps feature zinc plating for corrosion resistance The positive hub seal minimizes water entry when launching while maintaining proper grease pressure inside the hub Essential boat trailer parts for saltwater use these wheel bearing dust caps prevent premature bearing failure and dangerous wheel separation during highway travel COMPLETE HUB UPGRADE These grease keeper caps transform basic dust caps into an active bearing protection system The builtin grease cup supplies continuous lubrication to wheel bearings while the pressure relief valve prevents seal damage These steel protectors fit any trailer wheel hub requiring a 1 or 1116 fitment Ideal for utility trailer parts upgrades boat trailer accessories or any trailer kit needing superior bearing protection