Zinc plated replacement dust cap for boat or utility trailers using the Posi-Lube, Accu-Lube, or E-Z Lube Greasing System. This dust cap is used if your axle is an axle with a grease fitting on the tip of the spindle. Rubber plug easily removes to access your grease fitting this dust cap measures 2.441” across and will fit most 6 bolt trailer hubs. Drive in installation ensures a tight fitment in your hub.
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