Engineered for Class 7–8 line-haul tractors, intermodal container chassis, refrigerated reefers, and severe-duty vocational trailers across North America, this 4515Q Brake Shoe Kit provides a comprehensive single-wheel overhaul package for standard 16.5" x 7" Q and Q-Plus foundation drum brakes. Each master kit bundles two heavy-duty projection-welded steel brake shoes lined with premium non-asbestos friction blocks alongside fatigue-tested dual-spring return systems, case-hardened anchor pins, cam rollers, and retaining clips. Installing this turn-key assembly stops brake drag, restores balanced mechanical release tension, prevents uneven lining taper, and minimizes preventative maintenance bay turnaround time.
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