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Capital Trailer

Cap, Universal Aluminum Hub Cap #ST-400

Cap, Universal Aluminum Hub Cap #ST-400

Regular price $78.00 CAD
Regular price Sale price $78.00 CAD
Sale Sold out
Shipping calculated at checkout.


4” Universal Threaded Hub Cap, Fits 10K-16K axles. Aluminum Alloy body, designed for grease and/or oil bath applications. Oil level indicating window and magnetic vent plug that removes metallic particles. Easy access drain port / fill port.

  • Plug, seals & hardware included
  • 1/8”-27 NPTF plug included
  • 4” Machined Threads
  • Replaces Lippert 693935, ST-400 post 08/2019


  • Lippert 10K – 16K capacity hubs

Each Hub Cap contains:

  • (1) hub cap
  • (1) gasket
  • (1) lens
  • (1) retainer ring
  • (1) foam gasket
  • (6) Torx Screws
  • (1) magnetic vent plug
  • (1) 1/8 -27 Plug
  • (1) O-Ring

Frequently Asked Questions

Q;  What is a universal threaded hub cap?
A:  A threaded hub cap that replaces standard factory plastic oil bath caps.

Q:  Can I convert oil bath hubs to grease filled hubs with universal hub caps?
A:  Yes, universal hub caps are both grease/oil bath compatible.

Q:  Will this work on my trailer hub?
A:  Please refer to the Universal Oil Caps Reference table for fitment information.

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