PowerStop L4904 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop L4904 rear disc brake caliper is designed specifically for Cadillac SRX models, providing a reliable replacement for your vehicle's rear OE caliper. Engineered with durable aluminum casting and a floating caliper design, this part ensures consistent braking performance and longevity.

• Compatible with Cadillac SRX rear brake system
• Aluminum caliper casting for lightweight durability
• Single 48.06 mm phenolic piston for effective braking
• Includes caliper slides and mounting bracket for proper fitment
• Floating caliper type with M10 x 1.0 inlet and bleeder screw threads
• Gray finish to match original equipment appearance

Detailed Product Features and Specifications

The PowerStop L4904 caliper features a floating design with a single phenolic piston measuring 48.06 mm in diameter, which helps reduce heat transfer and corrosion. Constructed from aluminum, the caliper casting offers a balance of strength and weight savings. This rear OE stock replacement caliper includes caliper slides and a mounting bracket to ensure proper installation and alignment on your Cadillac SRX. The inlet and bleeder screw both use M10 x 1.0 thread sizes, matching original equipment specifications for seamless integration. Finished in gray, this caliper maintains the factory look while delivering dependable braking performance.

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper product line focuses on providing direct-fit replacement calipers that meet original equipment standards. Designed to restore braking function without modification, these calipers are engineered for vehicles like the Cadillac SRX to maintain factory performance and safety. The L4904 part number is part of this line, ensuring compatibility and quality consistent with OE specifications.

Common Applications and Problem Solving

• Replacement for worn or leaking rear brake calipers on Cadillac SRX
• Addresses uneven brake pad wear caused by caliper slide issues
• Resolves brake drag or sticking due to piston corrosion or damage
• Restores proper hydraulic pressure and brake fluid flow
• Eliminates brake noise and vibration related to faulty calipers

Installation Notes and Tips

When installing the PowerStop L4904 rear caliper on a Cadillac SRX, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. The included caliper slides and mounting bracket should be inspected for wear and replaced if necessary to guarantee smooth caliper movement. Use compatible brake pads and verify thread sizes (M10 x 1.0) for inlet and bleeder screws to match your brake lines and tools. Follow manufacturer torque specifications for mounting hardware to ensure safety and performance.

Quality Assurance and Warranty

PowerStop manufactures the L4904 caliper to meet or exceed original equipment standards for fit, form, and function. The use of phenolic pistons and aluminum casting materials contributes to corrosion resistance and durability. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.