PowerStop L4878 Disc Brake Caliper - Front Right

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4878) is designed specifically for Cadillac CTS and STS models. This floating disc brake caliper offers reliable braking performance with durable aluminum construction and steel pistons, ensuring consistent operation and longevity.

• Compatible with Cadillac CTS and STS front brake systems
• Floating caliper design with two steel pistons (41.91 mm diameter)
• Constructed from lightweight aluminum casting for corrosion resistance
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M10 x 1.0 bleeder screw thread size
• Grade type: Regular for standard braking applications

Detailed Product Description

The PowerStop - Front OE Stock Replacement Caliper L4878 is engineered to match original equipment specifications for Cadillac CTS and STS vehicles. Featuring a floating caliper design, it uses two steel pistons with a diameter of 41.91 mm to provide balanced and effective braking force. The caliper body is made from aluminum casting, which reduces weight while maintaining strength and resistance to corrosion. This caliper comes with caliper slides and a mounting bracket to ensure proper installation and alignment within the brake system. The gray finish offers a clean, OE-style appearance, and the bleeder screw thread size of M10 x 1.0 allows for straightforward brake fluid maintenance.

About the PowerStop - Front OE Stock Replacement Caliper Line

The PowerStop - Front OE Stock Replacement Caliper product line focuses on delivering direct OE replacements that maintain factory performance and fitment. These calipers are designed to meet or exceed original equipment standards, providing a reliable solution for restoring braking function on compatible vehicles. The L4878 caliper is part of this line, offering a balance of durability and precision engineered for Cadillac CTS and STS front brake systems.

Common Applications and Problem Solving

• Replacement for worn or leaking front disc brake calipers on Cadillac CTS and STS
• Addresses uneven brake pad wear caused by sticking caliper pistons
• Resolves brake drag issues due to faulty caliper slides or pistons
• Improves braking response when original calipers have corroded or seized
• Restores proper brake fluid pressure and pedal feel

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. The caliper slides included with this part should be lubricated with high-temperature brake grease to prevent binding. Verify that the mounting bracket is securely fastened and that the bleeder screw thread size (M10 x 1.0) matches your brake system fittings. This caliper does not include mounting hardware, so retain original bolts or source appropriate replacements.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet strict quality standards, using durable materials such as aluminum for the caliper body and steel for the pistons. The product undergoes rigorous testing to ensure reliable performance and fitment for Cadillac CTS and STS models. Warranty coverage details should be confirmed with the manufacturer or authorized distributor.