PowerStop L5031 Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L5031) is designed to provide reliable braking performance for select GM trucks and SUVs. Engineered as a direct replacement for rear disc brake calipers, this floating caliper ensures consistent stopping power and durability for vehicles like the Chevrolet Silverado 1500 and Cadillac Escalade.

• Caliper Type: Floating with 1 piston
• Caliper Casting Material: Aluminum for lightweight strength
• Piston Material: Phenolic to reduce heat transfer
• Piston Diameter: 51.05 mm
• Caliper Color: Gray finish
• Includes Caliper Slides and Mounting Bracket
• Bleeder Screw Thread Size: M10 x 1.0
• Grade Type: Regular

Detailed Product Description

This PowerStop rear disc brake caliper is crafted from aluminum casting material, offering a balance of strength and corrosion resistance suitable for rear brake applications on GM full-size trucks and SUVs. The floating caliper design with a single 51.05 mm phenolic piston helps maintain consistent brake pad contact and reduces heat transfer to the brake fluid, improving overall braking reliability. The gray finish provides a clean, OE-style appearance that complements the vehicle's braking system.

Included with this caliper are the caliper slides and mounting bracket, ensuring proper alignment and smooth operation during braking. The bleeder screw thread size of M10 x 1.0 allows for standard brake fluid bleeding procedures. This caliper is designed for regular grade use, matching the performance expectations of original equipment.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Silverado 1500 Classic, Suburban 1500, Tahoe
• GMC Sierra 1500, Sierra 1500 Classic, Yukon, Yukon XL, Yukon XL 1500

This caliper is intended as a rear OE stock replacement for these specific models, ensuring proper fit and function without modification.

Common Issues Addressed by This Caliper

• Brake drag or sticking calipers causing uneven pad wear
• Leaking or damaged piston seals leading to brake fluid loss
• Corroded or worn caliper slides affecting brake responsiveness
• Reduced braking efficiency due to heat transfer and piston material degradation
• Noise or vibration from faulty rear calipers

Installation Notes and Tips

When installing the PowerStop L5031 rear caliper, ensure the brake system is properly bled using the M10 x 1.0 bleeder screw to remove air and maintain hydraulic integrity. Verify that the caliper slides are clean and lubricated to prevent binding. Since mounting hardware is not included, reuse existing hardware or source OE replacement bolts as needed. Always inspect brake pads and rotors for wear and replace if necessary during caliper installation.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM specifications for fit, form, and function. The use of aluminum casting and phenolic piston materials supports durability and heat resistance in demanding braking conditions. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.