This Genuine OEM Differential Cover Kit is designed to fit Cadillac, Chevrolet, and GMC vehicles with an 11.5" differential. The kit includes a cover, gasket, and mounting hardware, making it easy to install. The cover is made by General Motors and has interchange part numbers of 40106100 and 40087967, as well as OE/OEM part number 1241445. This differential cover kit is a great addition for those looking to upgrade or replace their existing differential cover. The kit is manufactured in Canada and is not a vintage part. It is designed specifically for lower, rear, and front placement on the vehicle, with any gear ratio for universal fitment. This performance part is a must-have for any Cadillac, Chevrolet, or GMC owner looking to improve their vehicle's performance.


Exact item kit is shown. Includes cover, gasket, and a sealed pouch of mounting hardware. No returns if installed or if pieces are missing. Made in Canada. This is a genuine OEM rear differential cover for 1999+ GM 3/4 and 1 ton trucks with the 11.5 ring gear. Please review our business policies in our store for information regarding returns, shipping and warranties.