Raybestos RC4178 Disc Brake Caliper - Front Left

Reliable Disc Brake Caliper for Ford and Mazda Vehicles

The Raybestos R-Line; Loaded Caliper, Remanufactured RC4178 is designed to restore braking performance on select Ford and Mazda models. This remanufactured disc brake caliper offers a durable cast iron construction and hybrid friction material for consistent stopping power.

• Remanufactured loaded disc brake caliper
• Cast iron caliper casting for strength and durability
• Hybrid friction material for balanced performance
• 3.000 inch (76.2 mm) caliper piston diameter
• 7/16"-20 bleeder screw thread for easy maintenance
• Plain surface finish suitable for direct replacement

Product Line Details: R-Line; Loaded Caliper, Remanufactured

The R-Line; Loaded Caliper, Remanufactured series by Raybestos provides fully assembled calipers that include pistons, seals, and hardware. This approach simplifies installation and ensures that critical components meet strict remanufacturing standards. The RC4178 model is part of this line, offering a reliable replacement option for vehicles requiring a loaded caliper with a cast iron body and hybrid friction material.

Technical Description and Compatibility

This disc brake caliper features a cast iron casting material known for its durability and heat resistance, making it suitable for demanding braking conditions. The hybrid friction material balances wear and performance, providing consistent braking response. The caliper piston diameter measures 3.000 inches (76.2 mm), matching OEM specifications for proper fit and function. The bleeder screw thread size is 7/16"-20, compatible with standard brake bleeding tools.

The RC4178 caliper is compatible with various Ford and Mazda models, including the Ford Aerostar, B2300, B3000, B4000, Bronco II, Explorer, Ranger, and the Mazda Navajo. This ensures a precise fit and reliable braking performance for these vehicles.

Common Applications and Problem Resolution

• Replacement for seized or sticking calipers causing uneven brake pad wear
• Restores braking efficiency on Ford Aerostar and Mazda Navajo models
• Addresses brake fluid leaks from worn or damaged caliper seals
• Improves pedal feel and stopping power on Ford Ranger and Explorer vehicles
• Resolves noise and vibration issues related to caliper malfunction

Installation Notes and Tips

• Ensure compatibility with your specific Ford or Mazda model before installation
• Bleed the brake system thoroughly after caliper replacement to remove air
• Inspect brake pads and rotors for wear and replace if necessary
• Use proper torque specifications when mounting the caliper to avoid damage
• Check bleeder screw thread size (7/16"-20) for correct fitting of bleeding tools

Quality Assurance and Warranty

The Raybestos RC4178 disc brake caliper undergoes a comprehensive remanufacturing process to meet OEM standards. Each caliper is inspected and tested to ensure proper function and durability. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.