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Cardone 54-74004 Power Brake Booster
| Brand | Cardone 54-74004 |
|---|---|
| Brake Booster Diaphragm Style | Single |
| Color | Gray |
| Diaphragm Diameter (in) | 8.4 |
| Diaphragm Diameter (mm) | 213.36 |
| E-Waste | No |
| Master Cylinder Included | No |
| Material | Steel |
| Package Contents | Booster; Instruction Manual |
| Product Condition | Remanufactured |
| Product line | Vacuum Power Brake Booster |
| Fits | Jeep · 4 vehicles |
Remanufactured to O.E. standards. Built and tested to match original performance.
Rust-prohibitive finish. Helps extend unit life and resist corrosion.
Steel construction. Provides a durable foundation for reliable braking.
Cross-references Jeep 5252628 and Jeep 83502846 for the same application. See all 2.
Vacuum Power Brake Booster for Jeep Wrangler
The Cardone 54-74004 remanufactured vacuum power brake booster is built to restore brake assist and pedal response on select Jeep Wrangler applications. It is re-engineered, tested, and finished for dependable fitment on 1987-1990 Jeep Wrangler models that use a vacuum power brake booster and do not include a master cylinder.
Key Features
- Remanufactured to match original equipment performance
- 100% tested for fit and function before release
- Single-diaphragm design with an 8.4 in. (213.36 mm) diaphragm diameter
- Steel construction with gray finish and rust-prohibitive coating process
- O.E.-quality seals and check valves installed for consistent operation
- Master cylinder output rods are pre-adjusted when included for easier installation
- Package contents: booster and instruction manual
Product Details
Cardone Vacuum Power Brake Booster 54-74004 is part of the Cardone remanufactured brake booster line, which focuses on restoring original braking performance through inspection, re-engineering, and testing. This unit is built from a steel housing with a single diaphragm and is remanufactured to deliver the pedal assist expected from the original equipment design. It is a direct replacement for Jeep Wrangler brake booster service where the vehicle is equipped without a master cylinder. This part cross-references Jeep 5252628 and 83502846 for the same application.
What This Part Helps Address
- Hard brake pedal feel caused by a weak or failing booster
- Reduced brake assist during normal stopping
- Vacuum-related brake booster performance loss
- Brake pedal response that no longer matches original operation
- Replacement needs on 1987-1990 Jeep Wrangler vacuum brake systems
Installation Notes
Compatible With 1987-1990 Jeep Wrangler, N/A. Verify vacuum hose routing, mounting points, and master cylinder configuration before installation. Follow the included instruction manual and confirm proper pedal travel and brake assist after installation. Because the master cylinder is not included, transfer or replace related components as needed based on the vehicle’s brake system setup.
Quality Assurance
Each Cardone 54-74004 power brake booster is 100% tested to confirm reliable performance, fit, and function. The remanufacturing process includes upgraded sealing components and a rust-resistant finish to support long-term service life.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1990 | Jeep | Wrangler | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster |
| 1989 | Jeep | Wrangler | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster |
| 1988 | Jeep | Wrangler | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster |
| 1987 | Jeep | Wrangler | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster |
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