OE Quality
60-Day Returns

Cardone 54-74306 Power Brake Booster
Reliable Vacuum Power Brake Booster for Ford and Mercury Vehicles
The Cardone Vacuum Power Brake Booster 54-74306 is designed to restore proper brake assist functionality in select Ford and Mercury models. This remanufactured power brake booster offers a durable steel construction and a single diaphragm design to ensure consistent braking performance.
Key Features of Cardone 54-74306 Power Brake Booster
- Compatible with Ford Cougar and Mercury Thunderbird models
- Single diaphragm style with an 11.477-inch (291.5 mm) diameter for effective vacuum assist
- Constructed from durable steel for long-lasting use
- Gray finish for corrosion resistance and durability
- Remanufactured condition with included instruction manual for installation guidance
- Does not include master cylinder
Detailed Overview of the Vacuum Power Brake Booster
This Cardone Vacuum Power Brake Booster, part number 54-74306, is engineered to provide reliable vacuum-assisted braking for Ford Cougar and Mercury Thunderbird vehicles. Featuring a single diaphragm design with a precise diameter of 11.477 inches (291.5 mm), it delivers consistent brake pedal feel and improved stopping power. The steel construction ensures structural integrity and resistance to wear over time. As a remanufactured unit, it meets strict quality standards to restore your vehicle's braking system to proper operation.
Common Issues Addressed by This Power Brake Booster
- Reduced brake pedal assist causing hard brake pedal feel
- Vacuum leaks leading to decreased braking efficiency
- Brake booster diaphragm failure resulting in inconsistent braking
- Loss of power assist affecting stopping distance
- Brake pedal pulsation or noise during braking
Installation Notes and Tips
- Compatible specifically with Ford Cougar and Mercury Thunderbird models; verify fitment before installation
- Master cylinder is not included and must be installed separately
- Follow the included instruction manual carefully for proper mounting and vacuum line connections
- Inspect vacuum hoses and check for leaks during installation to ensure optimal performance
- Bleed the brake system after installation to remove air and restore brake responsiveness
Quality Assurance and Warranty Information
The Cardone Vacuum Power Brake Booster 54-74306 is a remanufactured product that undergoes rigorous testing to meet OEM specifications. 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 Ford Cougar or Mercury Thunderbird power brake booster.
About the Cardone Vacuum Power Brake Booster Line
The Cardone Vacuum Power Brake Booster product line focuses on remanufactured brake boosters designed to restore factory braking performance. These boosters utilize vacuum assist technology with precise diaphragm sizing to provide consistent brake pedal feel and improved stopping power. The 54-74306 model exemplifies this line by combining durable steel construction with a single diaphragm design tailored for specific Ford and Mercury applications.
| Brand | Cardone |
|---|---|
| Part Number | 54-74306 |
| Position | Vacuum Power Brake Booster |
| Brake Booster Diaphragm Style | Single |
| Color | Gray |
| Diaphragm Diameter (in) | 11.477 |
| Diaphragm Diameter (mm) | 291.5158 |
| E-Waste | No |
| Master Cylinder Included | No |
| Material | Steel |
| Package Contents | Booster; Instruction Manual |
| Product Condition | Remanufactured |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1989 | Ford | Thunderbird | N/A | Fits vehicles lacking master cylinders.; Vacuum Power Brake Booster |
| 1989 | Mercury | Cougar | N/A | Fits vehicles lacking master cylinders.; 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.