PowerStop L4919A Disc Brake Caliper - Front Left or Front Right

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop L4919A front disc brake caliper is engineered to provide reliable braking performance for select Cadillac, Chevrolet, and GMC models. Designed as a direct OE stock replacement, this caliper ensures consistent fit and function for vehicles like the Chevrolet Silverado 1500 and GMC Yukon XL.

• Cast iron caliper casting for durability and heat resistance
• Floating caliper design with two phenolic pistons (51.05 mm diameter)
• Includes caliper slides and mounting bracket for proper installation
• Gray finish for corrosion resistance and OEM appearance
• Bleeder screw with M10 x 1.5 thread size for brake fluid maintenance

About the PowerStop Front OE Stock Replacement Caliper Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit brake calipers that match original equipment specifications. This ensures compatibility and performance consistency for front brake systems on various trucks and SUVs. The L4919A caliper maintains factory-grade materials and design, including cast iron construction and phenolic pistons, to meet the demands of daily driving and towing applications.

Detailed Product Description

This PowerStop disc brake caliper features a floating design with two phenolic pistons, each measuring 51.05 mm in diameter, which helps reduce heat transfer to the brake fluid and improves overall braking efficiency. The cast iron caliper body offers strength and resistance to wear, while the included caliper slides and mounting bracket facilitate proper alignment and secure installation. The gray finish provides corrosion protection and maintains an OEM look. The bleeder screw thread size of M10 x 1.5 allows for standard brake fluid bleeding procedures.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT, and XTS
• Chevrolet Avalanche, Silverado 1500 (including Classic and LD), Suburban 1500, Tahoe, and Express 1500
• GMC Sierra 1500 (including Classic and Limited), Yukon, Yukon XL, Yukon XL 1500, and Savana 1500

Common Issues Addressed by This Caliper

• Uneven or reduced braking performance due to worn or damaged calipers
• Brake fluid leaks from piston seals or caliper body
• Caliper sticking or binding causing uneven pad wear
• Corrosion or physical damage compromising caliper integrity
• Noise or vibration during braking linked to caliper malfunction

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the lines. This caliper includes the mounting bracket and caliper slides but does not include additional mounting hardware, so verify you have the necessary bolts and tools before starting. 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 OEM specifications, using cast iron and phenolic piston materials for durability and heat resistance. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.