?a-premium similar to photo) a-premium disc brake caliper assembly with bracket compatible with select cadillac, chevy and gmc models- xts, escalade, avalanche, suburban, silverado, express, sierra, yukon xl and more - front side #18-b4918a+18-b4919a is up for auction in Automotive. The current bid is $3.00, 98% below the $159.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.