Disc Brake Pad Hardware
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, and 2003 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Secures disc brake pads firmly in proper relationship to the hydraulic brake calipers and enables a sliding motion of brake pads when mechanical output force is applied.