Stemco has purchased Commercial Vehicle Components Co. Ltd. (CVC), a manufacturer of air disc brake and medium-duty hydraulic disc brake pads. Stemco says that the purchase of CVC affords it a premium portfolio of disc brake pads designed to exceed OE performance in air disc and medium-duty hydraulic applications. The business will become part of the brake products group of Stemco, and CVC products will be marketed as Lunar and Lunar HP air disc brakes.