Aluminum Oil Cap Kit for 9-16k Axles, ST375

Part # ST375 Aluminum Oil Cap 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 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