PowerStop L6186 Disc Brake Caliper - Rear Left or Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L6186) is designed specifically for rear brake systems on Pontiac Matrix and Toyota Vibe models. This floating disc brake caliper offers reliable performance with durable aluminum construction and steel piston components.

• Compatible with Pontiac Matrix and Toyota Vibe rear brake systems
• Floating caliper design with one steel piston (38.02 mm diameter)
• Constructed from lightweight aluminum casting for corrosion resistance
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M7 x 1.0 bleeder screw thread size
• Grade type: Regular for standard braking applications

Product Line Details: PowerStop - Rear OE Stock Replacement Caliper

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct OE replacement parts that maintain factory specifications and fitment. This ensures compatibility and consistent braking performance for vehicles like the Pontiac Matrix and Toyota Vibe. The L6186 caliper is engineered to match original equipment standards, making it a practical choice for rear brake system repairs.

Technical Description and Features

This disc brake caliper features a floating design with a single steel piston measuring 38.02 mm in diameter, which applies even pressure to the brake pads. The aluminum caliper casting offers a balance of strength and reduced weight, helping to resist corrosion and wear over time. Included caliper slides and a mounting bracket facilitate proper installation and alignment. The gray color finish provides a neutral appearance suitable for most brake assemblies. The bleeder screw thread size is M7 x 1.0, compatible with standard brake bleeding tools.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on Pontiac Matrix and Toyota Vibe
• Restores proper brake pad alignment and pressure for consistent stopping power
• Addresses brake fluid leaks caused by damaged piston seals
• Eliminates uneven brake pad wear due to caliper slide issues
• Improves rear brake responsiveness and safety

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old caliper. The L6186 caliper includes caliper slides and a mounting bracket but does not include mounting hardware, so verify you have the necessary bolts and tools. Properly torque all fasteners to manufacturer specifications. Bleed the brake system thoroughly using the M7 x 1.0 bleeder screw to remove air and ensure optimal brake performance. Inspect brake pads and rotors for wear during installation.

Quality Assurance and Warranty

PowerStop manufactures the L6186 caliper to meet or exceed OEM standards for fit, form, and function. The use of aluminum casting and steel piston materials ensures durability and corrosion resistance. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation for exact warranty terms.