OE Quality
60-Day Returns

Cardone 54-71048 Power Brake Booster
Reliable Vacuum Power Brake Booster for Chevrolet and GMC Vehicles
The Cardone Vacuum Power Brake Booster 54-71048 is designed to restore proper brake assist in select Chevrolet, GMC, and Oldsmobile models. This remanufactured power brake booster features a durable steel construction and a dual diaphragm style to ensure consistent braking performance.
- Remanufactured power brake booster with dual diaphragm design
- Diaphragm diameter of 10.4 inches (264.16 mm) for effective vacuum assist
- Constructed from steel for strength and durability
- Compatible with Chevrolet Bravada, GMC Jimmy, S10, S10 Blazer, S15, S15 Jimmy, and Sonoma models
- Includes booster and instruction manual; master cylinder not included
- Master cylinder stud thread size M10x1.5
- Gray finish for corrosion resistance
About the Cardone Vacuum Power Brake Booster Line
The Cardone Vacuum Power Brake Booster product line focuses on remanufactured components engineered to meet or exceed OEM specifications. This line provides reliable vacuum-assisted braking solutions designed to restore factory brake feel and performance. The 54-71048 model is part of this line, offering a dual diaphragm style booster that balances power assist with pedal responsiveness for compatible Chevrolet, GMC, and Oldsmobile vehicles.
Product Details and Specifications
This power brake booster features a dual diaphragm style with a 10.4-inch (264.16 mm) diameter diaphragm, providing consistent vacuum assist to reduce pedal effort. The steel construction ensures durability and long service life. The booster is finished in gray to resist corrosion and includes an instruction manual for installation guidance. Note that the master cylinder is not included, and the master cylinder stud thread size is M10x1.5, which is important for proper fitment.
Common Applications and Problem Solving
- Restores brake pedal assist in Chevrolet Bravada and GMC Jimmy models
- Replaces worn or damaged boosters in Chevrolet S10, S10 Blazer, and S15 vehicles
- Addresses hard brake pedal issues caused by vacuum leaks or diaphragm failure
- Improves brake response and pedal feel in Oldsmobile and GMC Sonoma trucks
- Eliminates inconsistent braking caused by booster diaphragm wear
Installation Notes and Tips
- Ensure compatibility with vehicle make and model before installation
- Verify master cylinder stud thread size M10x1.5 matches existing hardware
- Follow included instruction manual carefully for proper mounting and vacuum line connections
- Inspect vacuum lines and check for leaks during installation
- Bleed brakes after installation to ensure proper brake system function
Quality Assurance and Warranty
The Cardone Vacuum Power Brake Booster 54-71048 is a remanufactured part that undergoes rigorous testing to meet OEM standards. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing your vehicle's power brake booster.
| Brand | Cardone |
|---|---|
| Part Number | 54-71048 |
| Position | Vacuum Power Brake Booster |
| Brake Booster Diaphragm Style | Dual |
| Color | Gray |
| Diaphragm Diameter (in) | 10.4 |
| Diaphragm Diameter (mm) | 264.16 |
| E-Waste | No |
| Master Cylinder Included | No |
| Master Cylinder Stud Thread Size | M10x1.5 |
| Material | Steel |
| Package Contents | Booster; Instruction Manual |
| Product Condition | Remanufactured |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1994 | Chevrolet | S10 Blazer | Manual | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster |
| 1994 | GMC | Jimmy | Manual | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster |
| 1993 | Chevrolet | S10 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1993 | Chevrolet | S10 Blazer | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1993 | GMC | Jimmy | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1993 | GMC | Sonoma | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1993 | Oldsmobile | Bravada | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster | |
| 1992 | Chevrolet | S10 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1992 | Chevrolet | S10 Blazer | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1992 | GMC | Jimmy | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1992 | GMC | Sonoma | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1992 | Oldsmobile | Bravada | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster | |
| 1991 | Chevrolet | S10 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1991 | Chevrolet | S10 Blazer | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1991 | GMC | S15 Jimmy | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1991 | GMC | Sonoma | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1991 | Oldsmobile | Bravada | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster | |
| 1990 | Chevrolet | S10 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1990 | Chevrolet | S10 Blazer | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1990 | GMC | S15 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1990 | GMC | S15 Jimmy | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1989 | Chevrolet | S10 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1989 | Chevrolet | S10 Blazer | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1989 | GMC | S15 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1989 | GMC | S15 Jimmy | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1988 | Chevrolet | S10 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1988 | Chevrolet | S10 Blazer | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1988 | GMC | S15 | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster | |
| 1988 | GMC | S15 Jimmy | N/A | with Brake Code JM3; with Booster Stamped ST; GM Brake Codes are on the "Service Parts Identification" Sticker; without Master Cylinder; Vacuum Power Brake Booster |
* 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.