PowerStop L6278 Disc Brake Caliper - Front Right

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L6278) is designed for reliable braking performance on select Lexus and Toyota vehicles. Engineered as a fixed disc brake caliper, it offers a durable cast iron construction and precise fitment for models like the Lexus GX460 and Toyota 4Runner.

• Fixed caliper type with four steel pistons for balanced braking force
• Cast iron caliper casting material for strength and heat resistance
• Gray finish for corrosion resistance and OEM appearance
• Piston diameter of 48.01 mm for consistent brake pad engagement
• Compatible with Lexus 4Runner and Toyota GX460 front brake systems
• Bleeder screw thread size M7 x 1.0 for standard brake bleeding procedures

About the PowerStop Front OE Stock Replacement Caliper Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on providing direct replacement parts that meet original equipment specifications. This ensures that the L6278 caliper maintains factory-level performance and fitment without requiring modifications. The line is tailored for drivers seeking dependable brake hydraulics that align with the original design of their Lexus and Toyota vehicles.

Detailed Product Description

This disc brake caliper features a fixed design with four steel pistons, each measuring 48.01 mm in diameter, which helps distribute braking pressure evenly across the brake pads. The cast iron construction offers durability and resistance to heat generated during braking, making it suitable for daily driving and moderate towing applications. The gray color finish provides corrosion resistance while maintaining an OEM look. Note that this caliper does not include mounting hardware or caliper slides, so those components must be sourced separately if needed.

Common Applications and Problem Solving

• Replacement for worn or seized front calipers on Lexus 4Runner and Toyota GX460
• Addresses uneven brake pad wear caused by piston malfunction
• Resolves brake drag issues due to caliper sticking
• Restores proper hydraulic pressure for consistent braking response
• Improves safety by ensuring reliable front brake operation

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old caliper. Since mounting hardware and caliper slides are not included, verify the condition of existing components and replace if necessary. Use the specified M7 x 1.0 bleeder screw thread size for proper brake bleeding. Follow manufacturer torque specifications for mounting bolts to maintain safety and performance.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed OEM standards for fit and function. The cast iron and steel piston materials contribute to long service life under normal operating conditions. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty covering defects in materials and workmanship.