Raybestos WK638 Disc Brake Caliper Seal Kit - Front

Overview of Raybestos Element3 Disc Brake Caliper Seal Kit WK638

The Raybestos Element3 Disc Brake Caliper Seal Kit WK638 is designed for reliable brake system maintenance on select Chrysler, Dodge, Ford, Jeep, Lincoln, Mercury, and Plymouth vehicles. This kit includes essential hard boot piston seals engineered to restore proper caliper function and extend brake component life.

• Includes hard boot piston seal for enhanced durability
• Seal outside diameter measures 2.38 inches (60.4 mm)
• Does not include bolts, pins, or pistons
• Compatible with multiple models including Jeep CJ5, Ford Thunderbird, Dodge Ramcharger, and more
• Part number WK638 ensures precise identification and fitment

About the Raybestos Element3 Product Line

The Element3 line by Raybestos focuses on providing high-quality brake service kits that meet or exceed OEM specifications. This product line emphasizes durability and fitment accuracy, making it suitable for professional brake repairs and rebuilds. The WK638 seal kit is part of this line, offering components designed to maintain the integrity of disc brake calipers across various vehicle makes and models.

Detailed Product Description

The WK638 disc brake caliper seal kit features a hard boot piston boot type, which offers improved resistance to heat and contaminants compared to softer materials. The seal's outside diameter is precisely 2.38 inches (60.4 mm), ensuring a proper fit within the caliper assembly. This kit does not include bolts, pins, or pistons, focusing solely on the critical sealing components needed for caliper maintenance. It is compatible with a range of vehicles such as the Chrysler B100, Dodge D150, Ford W200, Jeep CJ7, Lincoln Continental, Mercury Cougar, and Plymouth Fury models.

Common Applications and Issues Addressed

• Restores sealing integrity in disc brake calipers
• Prevents brake fluid leaks and contamination
• Reduces piston corrosion and wear
• Improves brake pedal feel and responsiveness
• Extends service life of brake caliper assemblies

Installation Notes and Tips

• Ensure the caliper bore is clean and free of debris before installation
• Lubricate seals with appropriate brake fluid or lubricant to ease installation
• Inspect pistons and caliper components for wear or damage prior to assembly
• Do not reuse old seals or boots to maintain optimal brake performance
• Follow vehicle-specific service manual instructions for torque specifications and procedures

Quality Assurance and Warranty

Raybestos Element3 brake service kits are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number WK638 may vary, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Always verify warranty terms with the product documentation or supplier.