PowerStop L4941 Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4941) is designed to provide reliable braking performance for select GM trucks and SUVs. Engineered as a direct replacement for rear disc brake calipers, this component ensures consistent stopping power and durability for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Caliper Type: Floating design for smooth operation
• Material: Lightweight aluminum caliper casting
• Pistons: Dual phenolic pistons with 44.96 mm diameter
• Includes caliper slides and mounting bracket
• Bleeder screw thread size: M10 x 1.0
• Caliper color: Gray finish
• Grade Type: Regular

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct-fit replacement parts that match original equipment specifications. This ensures compatibility and performance consistency for rear brake systems on various GM models. The L4941 caliper maintains OE standards in materials and design, offering a dependable option for restoring rear braking function without modification.

Detailed Product Description

This rear disc brake caliper features a floating design that allows for even pad wear and effective braking response. The aluminum casting reduces unsprung weight, contributing to overall vehicle handling. Two phenolic pistons with a diameter of 44.96 mm provide reliable hydraulic pressure transfer while resisting heat and corrosion. The caliper includes slides and a mounting bracket to facilitate installation, and the gray finish offers corrosion resistance. The bleeder screw with an M10 x 1.0 thread size allows for proper brake fluid maintenance.

Compatible Vehicles and Applications

• Cadillac Escalade and Yukon models
• Chevrolet Avalanche 1500, Silverado 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Yukon XL 1500, Express 1500, Savana 1500

This caliper is intended for rear brake hydraulic systems on these specific GM trucks and SUVs, providing a direct replacement for worn or damaged OE calipers.

Common Issues Addressed by This Caliper

• Brake drag or sticking calipers causing uneven pad wear
• Leaking brake fluid from damaged or worn pistons
• Reduced braking efficiency due to corroded or seized caliper slides
• Noise or vibration from faulty caliper operation
• Brake pedal softness caused by compromised caliper pistons

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. The mounting bracket is included, but mounting hardware is not, so verify you have the necessary bolts and tools. Use the correct bleeder screw size (M10 x 1.0) for brake fluid maintenance. Inspect brake pads and rotors for wear and replace if necessary to maintain optimal braking performance.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed original equipment specifications, using durable aluminum and phenolic materials for longevity and corrosion resistance. 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.