PowerStop L5303 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L5303) is designed for reliable braking performance on heavy-duty Chevrolet and GMC trucks. Engineered to meet original equipment specifications, this floating disc brake caliper is compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, and Suburban 3500 HD models.

• Cast iron caliper casting for durability
• Floating caliper design with two phenolic pistons
• Includes caliper slides and mounting bracket
• Gray finish for corrosion resistance
• Bleeder screw with M10 x 1.0 thread size
• Regular grade type for standard braking applications

Detailed Product Features and Specifications

This PowerStop front disc brake caliper features a cast iron construction that provides strength and heat resistance necessary for heavy-duty braking demands. The floating caliper design allows for smooth piston movement, utilizing two phenolic pistons with a diameter of 59.94 mm to ensure consistent brake pad contact and reduced heat transfer to the brake fluid. The caliper slides are included to facilitate proper alignment and movement during braking cycles. A mounting bracket is also included to simplify installation on compatible Chevrolet and GMC trucks. The gray color finish offers additional protection against corrosion and wear. The bleeder screw thread size is M10 x 1.0, compatible with standard brake bleeding tools.

PowerStop - Front OE Stock Replacement Caliper Product Line

The PowerStop - Front OE Stock Replacement Caliper line is designed to provide direct replacement parts that meet or exceed original equipment standards. This product line focuses on delivering reliable, durable components that maintain factory performance and fitment. The L5303 caliper is part of this line, ensuring compatibility and quality for front brake systems on select Chevrolet and GMC heavy-duty trucks.

Common Applications and Problem Solving

• Replacement for worn or leaking front disc brake calipers
• Restores proper brake pad alignment and piston function
• Addresses uneven brake pad wear or sticking calipers
• Improves braking consistency on Chevrolet Silverado and GMC Sierra HD models
• Resolves brake fluid leakage due to damaged pistons or seals

Installation Notes and Tips

Ensure the brake system is fully depressurized before beginning installation. This caliper includes the mounting bracket and caliper slides but does not include mounting hardware, so verify you have the necessary bolts and tools. Properly torque all fasteners to manufacturer specifications. Bleed the brake system thoroughly using the M10 x 1.0 bleeder screw thread size to remove air and maintain brake responsiveness. Inspect brake pads and rotors for wear and replace if necessary during installation.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet original equipment standards, using cast iron and phenolic materials for durability and performance. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.