Crown Automotive
Power Brake Booster Conversion Kit for 87-90 Jeep Wrangler YJ | RT31018
Power Brake Booster Conversion Kit for 87-90 Jeep Wrangler YJ | RT31018
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Heavy Duty Power Brake Booster Conversion Kit
1987-1990 Jeep Wrangler YJ | Stock Axles | Without ABS | RT31018
Product Overview
Service the power braking system on your 1987-1990 Jeep Wrangler YJ with this Heavy Duty Power Brake Booster Conversion Kit, specifically designed for vehicles equipped with stock axles and without ABS. The kit features an 8-inch dual diaphragm power brake booster paired with a 1-inch bore master cylinder.
This conversion kit is configured for the specified factory axle application, providing a defined brake booster and master cylinder combination for compatible Wrangler YJ models. The 1-inch master cylinder bore is an important identifying specification when selecting the correct conversion kit for the vehicle's braking system.
Identified by product reference RT31018, this kit is intended for the listed 1987-1990 Wrangler YJ applications. Confirm the vehicle's axle configuration, ABS equipment, and existing braking system before selecting the replacement assembly.
Vehicle Compatibility
Jeep Wrangler Applications
- 1987-1990 Jeep Wrangler (YJ) - Without ABS; equipped with stock axles
Important: This kit is specifically listed for 1987-1990 Jeep Wrangler YJ models without ABS and with stock axles. Both application requirements must be satisfied. Compatibility with aftermarket axle configurations or ABS-equipped vehicles has not been established.
Product Highlights
- Heavy Duty Brake Booster: Features an 8-inch dual diaphragm power brake booster for the specified conversion application.
- 1-Inch Bore Master Cylinder: Configured with a 1-inch master cylinder bore for the listed stock axle application.
- Stock Axle Compatibility: Specifically identified for Jeep Wrangler YJ models retaining stock axles.
- Non-ABS Application: Listed for 1987-1990 Wrangler YJ vehicles equipped without an anti-lock braking system.
- Application-Specific Configuration: Combines the specified booster diameter, dual diaphragm design, and master cylinder bore under product reference RT31018.
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 Inch
- Intended Axle Configuration: Stock Axles
- ABS Compatibility: Without ABS
- Vehicle Application: 1987-1990 Jeep Wrangler YJ
- Product Reference: RT31018
Additional component dimensions, booster finish, hydraulic specifications, mounting hardware, and detailed kit contents have not been confirmed in the supplied product information.
Installation & Fitment Notes
- Confirm the vehicle is a 1987-1990 Jeep Wrangler YJ.
- Verify that the vehicle is equipped with stock axles.
- Confirm that the vehicle does not have ABS.
- Verify that the specified 1-inch bore master cylinder is appropriate for the existing braking system.
- Compare the current brake booster and master cylinder configuration with the replacement kit before installation.
- Use the applicable vehicle service information and any product-specific instructions supplied with the kit.
Specific mounting requirements, brake line connections, installation modifications, and bleeding procedures have not been established in the supplied information. Confirm these details before beginning the conversion.
Product Reference
Part Number: RT31018
Configuration: 8-Inch Dual Diaphragm Brake Booster with 1-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 1987-1990 Jeep Wrangler YJ models without ABS and equipped with stock axles. Confirm the required 1-inch master cylinder bore, axle configuration, and existing braking system compatibility before installation.
Please verify vehicle model year, stock axle configuration, non-ABS equipment, master cylinder bore requirements, and supplied product reference before ordering.
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