PowerStop L4918A Disc Brake Caliper - Front Left or Front Right

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4918A) is engineered to provide reliable braking performance for select Cadillac, Chevrolet, and GMC vehicles. Designed as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability for your front brake system.

• Cast iron caliper casting for strength and heat resistance
• Includes caliper slides and mounting bracket for proper fitment
• Two phenolic pistons with a 51.05 mm diameter for effective brake pad engagement
• Floating caliper design for smooth operation and even pad wear
• Gray finish to match original equipment appearance
• Bleeder screw with M10 x 1.5 thread size for easy brake fluid maintenance

Detailed Product Description

This PowerStop front disc brake caliper is constructed from durable cast iron, providing the necessary strength and heat dissipation required for front brake applications. The floating caliper design allows the caliper to move laterally, ensuring even pressure on both brake pads and reducing uneven wear. Equipped with two phenolic pistons measuring 51.05 mm in diameter, this caliper offers reliable hydraulic force transfer while resisting corrosion and heat damage. The gray color finish maintains a factory-like appearance, making it suitable for visible brake components.

The caliper slides and mounting bracket are included to facilitate proper installation and alignment, ensuring compatibility with the specified vehicle models. The bleeder screw features an M10 x 1.5 thread size, allowing for straightforward brake fluid bleeding during maintenance.

PowerStop - Front OE Stock Replacement Caliper Product Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit replacement parts that meet original equipment specifications. This product line is designed to restore braking performance to factory standards without requiring modifications. The L4918A caliper is part of this line, offering a balance of durability and functionality for front brake systems on various GM trucks and SUVs.

Compatible Vehicles and Applications

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

Common Issues Addressed by This Caliper

• Uneven brake pad wear due to caliper slide malfunction
• Reduced braking efficiency from piston corrosion or damage
• Brake fluid leaks around the caliper piston area
• Brake noise caused by sticking or seized caliper components
• Vibration or pulling during braking from caliper misalignment

Installation Notes and Tips

• Ensure the brake system is fully depressurized before removal
• Inspect and replace brake pads and rotors as needed during installation
• Use compatible brake fluid and bleed the system thoroughly after installation
• Verify the caliper slides move freely to prevent uneven pad wear
• Torque mounting bolts to manufacturer specifications for safety

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed OEM standards for fit, form, and function. The use of cast iron and phenolic pistons ensures durability under normal operating conditions. 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.