TRW PSA915 Power Brake Booster

Reliable Power Brake Booster for BMW X5

The TRW PSA915 power brake booster is designed as a standard replacement part for BMW X5 models. Engineered with a vacuum booster type and a durable steel housing, this component ensures consistent brake performance and safety.

• Standard replacement brake service grade
• Vacuum booster type for efficient brake assist
• Steel housing with a 274 mm diameter for durability
• Dual diaphragm design with 274 mm diaphragm diameter
• Includes gasket and neck seal for proper sealing
• Compatible with BMW X5 models

Detailed Product Description

The TRW PSA915 power brake booster is built to meet OEM specifications for BMW X5 vehicles, providing reliable vacuum-assisted braking. Its steel housing with a 274 mm diameter offers strength and resistance to wear, while the dual diaphragm design enhances responsiveness and braking efficiency. This booster does not include a master cylinder, brake pedal rod extension, mounting hardware, or mounting bracket, but it does come with essential sealing components such as a gasket and neck seal to ensure proper installation and prevent vacuum leaks.

Common Applications and Issues Addressed

• Restores brake pedal responsiveness in BMW X5 vehicles
• Eliminates hard brake pedal problems caused by failing boosters
• Resolves vacuum leaks that reduce brake assist effectiveness
• Addresses inconsistent braking performance due to diaphragm wear
• Replaces worn or damaged brake boosters to maintain safety

Installation Notes and Tips

When installing the TRW PSA915 power brake booster on a BMW X5, ensure all vacuum lines are properly connected and free of leaks. Since mounting hardware and master cylinder are not included, retain or replace these components as needed. Verify that the gasket and neck seal are correctly positioned to maintain vacuum integrity. It is recommended to inspect the brake pedal rod and related components during installation for optimal performance.

Quality Assurance and Warranty

TRW manufactures the PSA915 power brake booster to meet strict quality standards, ensuring durability and reliable operation. This part is a standard replacement designed to restore original brake system function. Please refer to TRW's warranty policy for specific coverage details.