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.

ST-400L:

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

Fits:

• Lippert 10K – 16K capacity hubs

ST-375:

3-3/4” Universal Threaded Hub Cap, Fits 9K-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
• 3.75” Machined Thread
• Replaces Al-KO K568220/1531029, Rockwell 12011-1, Dexter K71-859-00

Fits:

• 9K-16K AL-KO/Hayes/QRG (post 1996) axles
• 9K-16K Rockwell American (post 1996) axles

ST-350:

3-1/2” Universal Threaded Hub Cap, Fits 9K-10K GD axles and #13G drums. 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
• 3.5” Machined Thread
• Replaces Dexter 21-88/K71-704-00

Fits:

• Dexter 9K, 10K GD, #13G Drums (post 07/2009)

ST-2875D:

2-7/8” Universal Threaded Hub Cap, fits 6K-8K 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
• 2.875” Machined Thread
• Replaces Dexter #21-35/K71-038-00, 021-029-00, Lippert 695814, Kodiak 8001

Fits:

• Fits 6K, 7K, & 8K 8 bolt axles, Dexter 6K and 8K screw in and Dexter 9K axles (before 10/1989)
• Fits Lippert 8K axles
• Fits Kodiak 8K hub-and-rotor disc brake kit