PowerStop L6128 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L6128) is designed to provide reliable braking performance for select Pontiac and Toyota vehicles. Engineered as a direct replacement for rear disc brake calipers, this component ensures consistent stopping power and durability.

• Compatible with Pontiac Matrix and Toyota Vibe rear brake systems
• Constructed from durable cast iron caliper casting material
• Floating caliper design with a single 38mm steel piston
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M10 x 1.0 inlet and bleeder screw thread sizes

Product Line Details: PowerStop - Rear OE Stock Replacement Caliper

This caliper is part of the PowerStop - Rear OE Stock Replacement Caliper line, which focuses on providing direct OE replacement parts that match original equipment specifications. This product line is intended for customers seeking a reliable, factory-style replacement caliper that maintains the original braking system's performance and fitment without modification.

Technical Description and Features

The L6128 caliper features a cast iron construction that offers strength and heat resistance suitable for rear brake applications. Its floating caliper design utilizes a single 38mm steel piston to apply even pressure to the brake pads. The inclusion of caliper slides and a mounting bracket ensures proper alignment and secure installation. The gray finish provides corrosion resistance, while the M10 x 1.0 inlet and bleeder screw thread sizes match OE specifications for easy brake line and bleed screw compatibility.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on Pontiac Matrix and Toyota Vibe models
• Addresses uneven brake pad wear caused by faulty caliper slides
• Resolves brake fluid leaks from damaged or corroded pistons
• Improves braking response when original calipers have lost efficiency
• Restores proper brake function after caliper mounting bracket damage

Installation Notes and Tips

Ensure the brake system is fully depressurized before beginning installation. This caliper includes the mounting bracket and caliper slides but does not include mounting hardware, so verify you have the necessary bolts and tools. Properly torque all fasteners to manufacturer specifications and bleed the brake system thoroughly to remove air. Compatibility with Pontiac Matrix and Toyota Vibe rear brake assemblies should be confirmed prior to installation.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed original equipment standards, using cast iron and steel materials for durability and performance. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Refer to PowerStop documentation for exact warranty terms.