The 1643 Hubcap is the most popular size of oil bath hubcap for Semi trailers, and other oil bath hub applications on the road today. The 1643 Hubcap is loaded with features, making it one of the best oil bath hubcaps available.
Lightweight, super-strong Zytel® resists impact damage, chemicals, road salt, UV radiation, flooded docks, and ozone.
Magnetic side-fill plug traps metal particles to protect seals and bearings
Molded pressure ridge on flange bites into sealing gasket to ensure leak-proof fit
Proven center-fill, vented-plug design; closed except when venting
Plated, pre-assembled retention bolts (included) protect against leaks at the bolt holes
(A) 1.73 Inner Depth
(B) 5.5-5.562 Bolt Circle
(C) 6.25 Overall Diameter
(D) 2.47 Overall Height