HomeDriveline and Axles > Service KitsSKF BK4 Locking Hub Service Kit
Part #: BK4

SKF BK4 Locking Hub Service Kit

⚙️ 13 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Bronco II and Ranger
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SKF Locking Hub Service Kit Overview

The SKF BK4 Locking Hub Service Kit is designed specifically for Ford Bronco II and Ranger models. This kit provides essential components to maintain and repair locking hubs, ensuring reliable driveline performance.

  • Inside diameter: 1.125 inches
  • Width: 0.500 inches
  • Outside diameter: 1.375 inches
  • Part number: BK4
  • Compatible with Ford Bronco II and Ranger locking hubs

Detailed Product Description

The SKF BK4 Locking Hub Service Kit includes precision-engineered parts with an inside diameter of 1.125 inches, a width of 0.500 inches, and an outside diameter of 1.375 inches. These dimensions are critical for proper fit and function within the locking hub assembly of Ford Bronco II and Ranger vehicles. The kit supports the maintenance of the driveline system by replacing worn or damaged components, helping to restore hub engagement and prevent driveline issues.

Applications and Common Issues Addressed

  • Restores proper locking hub engagement on Ford Bronco II and Ranger
  • Resolves issues with hub slippage or failure to lock
  • Prevents driveline noise caused by worn hub components
  • Addresses water or dirt ingress that can damage hub internals
  • Supports smooth four-wheel drive operation

Installation Notes and Tips

Installation of the SKF BK4 Locking Hub Service Kit requires disassembly of the locking hub assembly. Ensure all components are cleaned and inspected before installation. Proper alignment of the kit parts according to the specified inside, width, and outside diameters is essential for optimal performance. Use appropriate tools to avoid damage during installation and verify hub operation after assembly.

Quality Assurance and Warranty

SKF manufactures the BK4 Locking Hub Service Kit to meet strict quality standards, ensuring durability and reliable performance. The kit is engineered for compatibility with Ford Bronco II and Ranger models. SKF typically offers a limited warranty on service kits; please refer to SKF’s official documentation for specific warranty details.

This part fits 13 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1989FordBronco II4WDN/A
1989FordRanger4WDN/A
1988FordBronco II4WDN/A
1988FordRanger4WDN/A
1987FordBronco II4WDN/A
1987FordRanger4WDN/A
1986FordBronco II4WDN/A
1986FordRanger4WDN/A
1985FordBronco II4WDN/A
1985FordRanger4WDN/A
1984FordBronco II4WDN/A
1984FordRanger4WDN/A
1983FordRanger4WDN/A

* 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:

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