Crown Automotive
Power Brake Booster Conversion Kit for 87-01 Jeep Cherokee XJ Comanche | RT31037
Power Brake Booster Conversion Kit for 87-01 Jeep Cherokee XJ Comanche | RT31037
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Heavy Duty Power Brake Booster Conversion Kit
1987-2001 Jeep Cherokee XJ | 1987-1992 Jeep Comanche MJ | RT31037
Product Overview
Upgrade the braking system on your Jeep Cherokee XJ or Comanche MJ with this Heavy Duty Power Brake Booster Conversion Kit, specifically designed for vehicles equipped with aftermarket axles. The kit combines an 8-inch dual diaphragm power brake booster with a 1-1/8-inch bore master cylinder for the specified upgraded braking system application.
The larger bore master cylinder is designed for axle upgrades utilizing larger brake calipers. This configuration is intended for modified Jeep braking systems equipped with aftermarket axles and is distinguished from smaller bore master cylinder configurations intended for factory braking systems or other brake upgrade requirements.
This kit is compatible with the specified 1987-2001 Jeep Cherokee XJ and 1987-1992 Jeep Comanche MJ applications, with or without ABS, provided the vehicle is equipped with the applicable aftermarket axle configuration.
Whether replacing a rusty, leaking, or faulty brake booster and master cylinder or servicing an upgraded braking system, the kit includes a zinc-coated brake booster, master cylinder, bench bleeding kit, and installation instructions.
Vehicle Compatibility
Jeep Cherokee Applications
- 1987-2001 Jeep Cherokee (XJ) - With or without ABS; equipped with aftermarket axles
Jeep Comanche Applications
- 1987-1992 Jeep Comanche (MJ) - With or without ABS; equipped with aftermarket axles
Important: This conversion kit is specifically identified for the listed Cherokee XJ and Comanche MJ models equipped with aftermarket axles. Both ABS-equipped and non-ABS applications are listed. Verify the vehicle's axle configuration, brake caliper requirements, and existing braking system before ordering.
Product Highlights
- Heavy Duty Dual Diaphragm Booster: Features an 8-inch power brake booster for the specified conversion application.
- 1-1/8-Inch Bore Master Cylinder: Designed for upgraded axle configurations utilizing larger brake calipers.
- Aftermarket Axle Application: Specifically intended for Jeep Cherokee XJ and Comanche MJ models equipped with aftermarket axles.
- ABS and Non-ABS Compatibility: Listed for the specified vehicles with or without an anti-lock braking system.
- Complete Specified Conversion Components: Includes a zinc-coated brake booster, master cylinder, bench bleeding kit, and installation instructions.
What's Included
- Heavy Duty 8-Inch Dual Diaphragm Brake Booster
- 1-1/8-Inch Bore Master Cylinder
- Bench Bleeding Kit
- Installation Instructions
Kit contents are based on the supplied product information. Additional mounting hardware, brake lines, fittings, or other brake system components are not specified.
Product-Specific Technical Details
- Component: Power Brake Booster Conversion Kit
- Brake Booster Type: Heavy Duty Dual Diaphragm
- Brake Booster Diameter: 8 Inches
- Master Cylinder Bore: 1-1/8 Inches
- Brake Booster Finish: Zinc-Coated
- Intended Axle Configuration: Aftermarket Axles
- Master Cylinder Application: Upgraded Axles with Larger Brake Calipers
- ABS Compatibility: With or Without ABS
- Vehicle Applications: 1987-2001 Jeep Cherokee XJ; 1987-1992 Jeep Comanche MJ
- Product Reference: RT31037
Additional booster dimensions, hydraulic specifications, brake line connection details, and mounting hardware requirements have not been provided.
Installation & Fitment Notes
- Confirm the vehicle is a 1987-2001 Jeep Cherokee XJ or 1987-1992 Jeep Comanche MJ.
- Verify that the vehicle is equipped with aftermarket axles.
- The supplied compatibility includes vehicles with or without ABS.
- Confirm that the 1-1/8-inch bore master cylinder is appropriate for the installed axle and brake caliper configuration.
- The larger bore master cylinder is designed for axle upgrades utilizing larger brake calipers.
- Installation involves replacing the existing brake booster and master cylinder.
- Use the included bench bleeding kit and follow the supplied installation instructions and applicable vehicle service procedures.
Aftermarket axle configurations and brake system modifications may vary. Confirm compatibility of the existing brake components, hydraulic connections, and mounting arrangement before beginning installation.
Product Reference
Part Number: RT31037
Configuration: 8-Inch Dual Diaphragm Brake Booster with 1-1/8-Inch Bore Master Cylinder
The product reference above identifies the specified power brake booster conversion kit. Verify the booster configuration, master cylinder bore, and vehicle application before purchasing.
Fitment Reminder
This conversion kit is designed for 1987-2001 Jeep Cherokee XJ and 1987-1992 Jeep Comanche MJ models equipped with aftermarket axles, with or without ABS. Confirm the required 1-1/8-inch master cylinder bore, brake caliper configuration, and existing braking system compatibility before installation.
Please verify vehicle model year, aftermarket axle configuration, ABS equipment, master cylinder bore requirements, and supplied product reference before ordering.
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