Alcon Jeep Wrangler JK/JL & Gladiator Rear Brake Kit

Alcon Jeep Wrangler JK/JL & Gladiator Rear Brake Kit

Alcon BKR5059D12 combines the calipers, friction components and mounting arrangement for Jeep Wrangler JK (2007-2018), Wrangler JL (2018 onward), and Gladiator JT (2020 onward), with the specified compatible rear axle. Choose the system by its complete application and clearance requirements so the brake package matches the vehicle and intended use.

Key Features

• Rotor: 330 x 22 mm
• Calipers: Four-piston ductile iron
• Finish: Red
• Ductile-iron calipers with high-temperature seals are designed for demanding truck service.

Fitment

Match BKR5059D12 to the complete brake configuration and the application notes above.

Specifications

Whats Included

• Matched rear calipers, brake pads and rotors
• Application-specific mounting brackets and supplied hardware

The components listed above describe BKR5059D12. Separate service parts and other axle kits are not included unless expressly listed.

About Alcon

Alcon develops braking systems and replacement components for motorsport, performance road vehicles, trucks and specialized applications. Its Pro-System range pairs Alcon calipers with application-specific rotor and mounting packages. Service parts must be selected for the exact system.

Related Parts

• Alcon Jeep Wrangler JK/JL & Gladiator Rear Brake Pads
• Alcon 2007-2018 Jeep Wrangler JK Front Big Brake Kit
• Alcon Jeep Wrangler JL & Gladiator Front Big Brake Kit

FAQ

What is the BKR5059D12?

It is an Alcon brake kit designed for Jeep Wrangler JK (2007-2018), Wrangler JL (2018 onward), and Gladiator JT (2020 onward), with the specified compatible rear axle.

What application does it fit?

Jeep Wrangler JK (2007-2018), Wrangler JL (2018 onward), and Gladiator JT (2020 onward), with the specified compatible rear axle. Match the original brake package, hub and wheel template. Suspension changes, aftermarket knuckles and wheel spoke profiles can affect clearance. Follow the current kit instructions for any required adapters or spacers. Retains the compatible original parking brake. Currie 60/70 axle kits use different part numbers.

What is included?

Matched rear calipers, brake pads and rotors; Application-specific mounting brackets and supplied hardware. Package details apply to this listing.

Does it replace the factory brake component?

It is a brake-system upgrade for the specified application. Compare the original brake package and the kit instructions, including wheel and suspension clearance.

Which measurements should I check?

Rotor: 330 x 22 mm; Calipers: Four-piston ductile iron; Finish: Red. Match all applicable dimensions and interfaces.

What else should I check before ordering?

Use the current wheel template at the specified print scale. Check barrel and spoke clearance, the hub and knuckle, brake lines, axle configuration and any required adapters.

Is professional installation recommended?

Brake work should be performed by a qualified technician using the current vehicle and Alcon procedures. Fastener torque, routing, clearances and safe operation must be verified.

What procedure should I follow after installation?

Follow the specified inspection and bedding procedure for the exact components. Bleed the system whenever the hydraulic circuit is opened, inspect for leaks and confirm pedal operation before driving.

Installation Instructions

1. Verify the vehicle, existing brake system and all supplied BKR5059D12 components against the current instructions.
2. Safely support the vehicle and remove the appropriate wheel or wheels.
3. Remove the worn components using the brake-system service procedure; support any displaced caliper without straining its hose.
4. Install the replacement components in the specified orientation, using required new hardware and the exact torque values from the current instructions.
5. Inspect clearances and line routing, bleed the hydraulic system if opened, and verify fluid level, leak-free operation and a firm pedal.
6. Refit the wheels, torque the wheel fasteners and complete the component-specific bedding and operational checks before normal use.

Prop 65 Warning

WARNING: Cancer and Reproductive Harm. For more information, visit www.P65Warnings.ca.gov.