Description Bosch QuietCastTM Premium raises aftermarket brake pad technology to a whole new level. Employing the industry’s best pre-attached, rubber core shims and Molded Shim Technology (on selected applications), QuietCastTM delivers the quiet operation you and your customers expect with the durability and long life that are the hallmarks of all Bosch products. Every Bosch QuietCastTM Disc Brake Pad is fitted with the industry’s best pre-attached rubber core shim. This shim style is the most predominant type used by OE manufacturers and is exclusively offered by Bosch for the independent aftermarket. Features and Benefits.

OE-Equivalent and Direct Fit application. OE style rubber-core shims Advanced, platform-specific Semi Metallic formulation Dedicated engineers source and rigorously test all friction materials and formulations Manufactured under the same exacting quality standards as OE components and system Powder-coated backing plate Rigorous physical and dynamometer testing Synthetic lubricant in box Pads individually wrapped Bosch Molded Shim Technology (MST)*** (On Select Applications) At the time of pressing, heat, adhesive and pressure mold the multi-layer shim to the backing plate and friction material creating an integrally molded unit.

Shim stays attached throughout the life of the pad; won’t walk or slide on the backing plate Provides maximum stability resulting in quieter shim performance over the life of the pad Part #’s 34-21-1-162-536 / 34 21 1 162 536 / 34211162536 34-21-1-157-814 / 34 21 1 157 814 / 34211157814 34-21-1-158-266 / 34 21 1 158 266 / 34211158266.