The Bendix K063938 is a left-hand air brake camshaft designed for heavy-duty drum brake applications. At 12.71 inches in length, this left-hand S-cam fits the driver-side brake assembly. Bendix engineers these camshafts to OEM specifications for consistent actuation geometry across the brake stroke. If you are cross-referencing by alternate part number, this unit is also cataloged as BWK063938. Pro Gear and Transmission carries genuine Bendix brake components. Call us to confirm proper fitment for your specific axle and brake configuration before ordering.A factory handling fee of $20.00 per unit is added at checkout.FeaturesLeft-hand (driver-side) orientation air brake camshaft12.71 in. overall lengthGenuine Bendix OEM air brake componentAlternate part reference: BWK063938Designed for heavy-duty drum brake S-cam actuationTech SpecsLength: 12.71 in.Orientation: Left HandPart Number: K063938Cross-Reference: BWK063938Type: Air Brake S-Cam Camshaft