The K003813L (LH) and K003814R (RH) disc brake calipers form a matched pair engineered for heavy-duty truck applications. These calipers feature robust cast alloy bodies, precision-machined mounting surfaces, and high-quality seals and guide pins designed for consistent and dependable braking. With corrosion-resistant coatings and heavy-duty construction, they're built to withstand harsh environments and high mileage. Ideal for vertical-mount disc brake systems on commercial trucks, these calipers meet rigorous OEM performance and durability standards.