OE Quality
60-Day Returns

Cardone 54-71059 Power Brake Booster
Reliable Vacuum Power Brake Booster for Chevrolet and GMC Trucks
The Cardone Vacuum Power Brake Booster 54-71059 is designed to restore proper brake assist performance in select Chevrolet and GMC truck models. This remanufactured power brake booster features a durable steel construction and a dual diaphragm design to ensure consistent braking response.
- Remanufactured Vacuum Power Brake Booster with dual diaphragm style
- Diaphragm diameter: 10.4 inches (264.16 mm) for optimal vacuum assist
- Constructed from durable steel with a gray finish
- Compatible with Chevrolet and GMC R20, R20 Suburban, R2500, R2500 Suburban, V20 Suburban, and V2500 Suburban models
- Master cylinder stud thread size: M10x1.5
- Includes booster and instruction manual; master cylinder not included
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 original equipment specifications. This line provides reliable vacuum assist for braking systems, helping maintain consistent pedal feel and stopping power. The 54-71059 model is part of this line, offering a dual diaphragm design that enhances vacuum efficiency and brake response for heavy-duty Chevrolet and GMC trucks.
Product Details and Specifications
This power brake booster features a dual diaphragm style with a 10.4-inch (264.16 mm) diameter diaphragm, providing effective vacuum assistance to reduce pedal effort. The steel construction ensures durability and long service life, while the gray finish offers corrosion resistance. The booster is designed to fit specific Chevrolet and GMC truck models, including R20, R20 Suburban, R2500, R2500 Suburban, V20 Suburban, and V2500 Suburban. The master cylinder stud thread size is M10x1.5, allowing compatibility with the corresponding master cylinder hardware. Note that the master cylinder is not included with this part.
Common Issues Addressed by This Power Brake Booster
- Reduced brake pedal assist causing hard or heavy pedal feel
- Vacuum leaks leading to inconsistent brake performance
- Brake pedal pulsation or sponginess due to diaphragm wear
- Loss of power brake assist in Chevrolet and GMC R20 and R2500 series trucks
- Brake system inefficiency in suburban models requiring reliable vacuum boost
Installation Notes and Tips
Ensure the vehicle is properly supported and the brake system is depressurized before beginning installation. This booster is designed for direct replacement on compatible Chevrolet and GMC models listed. Verify the master cylinder stud thread size (M10x1.5) matches your existing hardware. Follow the included instruction manual carefully to avoid damage to the diaphragm or booster housing. Bleed the brake system thoroughly after installation to remove any air and restore proper brake function.
Quality Assurance and Warranty
This Cardone Vacuum Power Brake Booster 54-71059 is remanufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details are not provided, Cardone products typically undergo rigorous testing and quality control processes to maintain consistent quality. Refer to Cardone's warranty policy for further information.
| Brand | Cardone |
| Part Number | 54-71059 |
| 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 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1991 | Chevrolet | R2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1991 | GMC | R2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1990 | Chevrolet | R2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1990 | Chevrolet | V2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1990 | GMC | R2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1989 | Chevrolet | R2500 | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1989 | Chevrolet | R2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1989 | GMC | R2500 | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1989 | GMC | R2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1988 | Chevrolet | R20 | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1988 | Chevrolet | R20 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1988 | Chevrolet | V20 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1988 | GMC | R2500 | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes Master Cylinder; Vacuum Power Brake Booster |
| 1988 | GMC | R2500 Suburban | 7.4L | V8 | GAS | N/A | Brake Code JB7; GM Brake Codes are on the "Service Parts Identification" Sticker; Excludes 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.