HomeRaybestos WK3478 Disc Brake Caliper Seal Kit - Rear
Part #: WK3478

Raybestos WK3478 Disc Brake Caliper Seal Kit - Rear

Element3, Rear
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Element3, Rear
Fitment: Ford, F-250 Super Duty and F-350 Super Duty
Easy Returns — Return within 60 days for a full refund
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Reliable Disc Brake Caliper Seal Kit for Ford Super Duty Trucks

The Raybestos Element3 Disc Brake Caliper Seal Kit WK3478 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. This kit provides the essential components needed to maintain proper caliper function and brake system integrity.

  • Complete seal kit for disc brake calipers
  • Compatible with Ford F-250 Super Duty and F-350 Super Duty
  • Part number WK3478 for precise identification
  • Includes all necessary seals to restore caliper performance
  • Manufactured by Raybestos, a trusted name in brake components

About the Raybestos Element3 Product Line

The Element3 line by Raybestos focuses on delivering reliable brake service kits that meet or exceed OEM specifications. This product line is engineered to provide consistent sealing performance and durability, ensuring that the brake caliper maintains proper hydraulic pressure and prevents fluid leaks. The Element3 seal kits are designed to simplify brake maintenance for professional technicians and DIY mechanics working on Ford Super Duty trucks.

Detailed Product Description

The WK3478 Disc Brake Caliper Seal Kit includes all the necessary seals to refurbish the caliper assembly on Ford F-250 Super Duty and F-350 Super Duty vehicles. Proper sealing is critical to maintaining brake fluid pressure and preventing contamination within the caliper. This kit helps restore the caliper’s ability to operate smoothly and safely by replacing worn or damaged seals. Using the correct seal kit like the Raybestos Element3 WK3478 ensures compatibility and reliable brake system performance.

Common Issues Addressed by This Seal Kit

  • Brake fluid leaks from worn caliper seals
  • Reduced braking efficiency due to seal deterioration
  • Caliper piston sticking or binding
  • Contamination ingress causing premature caliper wear
  • Brake drag caused by faulty seals

Installation Notes and Tips

  • Ensure the caliper is thoroughly cleaned before installing new seals
  • Use proper brake fluid compatible with Ford Super Duty specifications
  • Inspect caliper pistons and hardware for wear during installation
  • Lubricate seals lightly with brake fluid to ease installation
  • Follow manufacturer torque specifications when reassembling caliper

Quality Assurance and Warranty

Raybestos manufactures the Element3 WK3478 seal kit to meet stringent quality standards. Each kit undergoes inspection to ensure proper fit and function for Ford F-250 Super Duty and F-350 Super Duty models. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Refer to Raybestos documentation for complete warranty information.

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2016FordF-250 Super DutyRearElement3
2016FordF-350 Super DutyRearFitment: For single rear wheel configuration.; Element3
2015FordF-250 Super DutyRearElement3
2015FordF-350 Super DutyRearFitment: For vehicles equipped with Single Rear Wheels (SRW); Element3
2014FordF-250 Super DutyRearElement3
2014FordF-350 Super DutyRearFitment: For vehicles equipped with Single Rear Wheels (SRW); Element3
2013FordF-250 Super DutyRearElement3
2013FordF-350 Super DutyRearFitment: For vehicles equipped with Single Rear Wheels (SRW); Element3

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

41314

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.