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Upgrade the oil/grease cap, O-ring, and plug on your AL-KO axle. Aluminum alloy body dissipates heat and magnetic vent plug removes damaging metal particles. Easy-access side port lets you add or drain lube without removing cap. Black e-coat finish.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
(dramatic music) (quiet music) (metal clinking) Narrator The Valcrum ST-2875A hubcap for grease or oil bath caps replaces your standard plastic caps on seven and 8K axles. (quiet music continues) (metal clinking) Your ST-2875 hubcab comes with everything you need as an owner/operator to get back on the road safer and longer. (metal clinking) (quiet music continues) (metal clinking) From an easily accessible fill and drain port, to an aluminum alloy construction, your new hubcap will protect you from cracks and keep you from being stranded on the road. (metal clinking) Our hubcaps conduct heat five times greater than standard plastic caps, allowing for better heat dissipation and thermal management. This means longer and safer travels, minimizing downtime for owner/operators. Visit your local dealer today to find out more.
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Customer Satisfaction Score:
78% were satisfied with this product
22% of customers were not satisfied
Ratings & Reviews
Gwendolyn Y.
3/26/2026
These are truly some of the best caps out there! Glad that you like them so much.
Gwendolyn Y.
5/7/2025
Hey Ronald. They sure do make checking your levels so much easier and eliminates any guess work. I'm glad that you are liking them so much!
Alan
10/27/2025
It’s been a year now, no issues, great product. I would buy again.
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Mike L.
4/9/2026
I'll get the return process started for you!