ATE 300129 Power Brake Booster

ATE Original Vacuum Brake Booster

ATE Original Brake Booster, Vacuum, Part Number 300129, is a direct-fit power brake booster for the 2002-2009 Saab 9-5. Built with a dual-diaphragm design and a metal housing, it supports consistent brake assist with low pedal effort in everyday driving and emergency stops.

ATE Original brake boosters are engineered for straightforward replacement work and OE-level fitment. This vacuum brake booster includes the brake pedal rod extension and is built to match the original application for the Saab 9-5, helping restore proper pedal feel and braking response.

Key Features

• Vacuum power brake booster for brake assist
• Dual-diaphragm design for stable assist output
• Metal housing for durable construction
• Brake pedal rod extension included
• Housing diameter: 8
• Master cylinder not included
• Mounting hardware not included
• Mounting bracket not included
• ATE Original part number 300129

Detailed Description

This ATE brake booster is built for the 2002-2009 Saab 9-5 and is intended to restore vacuum-assisted braking performance when the original booster is worn, leaking, or no longer providing consistent assist. A dual diaphragm and carefully finished metal housing support reliable pedal response, while the included brake pedal rod extension helps match the original linkage setup. ATE Original Brake Booster, Vacuum, Part Number 300129 is a practical OE-style replacement for maintaining predictable braking feel in the Saab 9-5.

This part cross-references Monroe Shocks & Struts (e.g., 5390844) for the same application.

Common Problems This Part Can Address

• Hard brake pedal feel from a failing vacuum booster
• Reduced brake assist during stop-and-go driving
• Inconsistent pedal response under emergency braking
• Vacuum-related booster leakage
• Loss of original brake pedal travel and feel

Installation Notes and Tips

Verify the booster diameter, pedal rod setup, and firewall mounting points before installation. This unit does not include the master cylinder, mounting hardware, or mounting bracket, so reuse or source the correct related components as needed. Confirm vacuum line condition and inspect the brake system for leaks before returning the vehicle to service. Compatible with 2002-2009 Saab 9-5 applications listed for this part number 300129.

Quality Assurance

ATE Original parts are built to OE-level standards with high-quality materials and precise workmanship. The brand positions its original and replacement components to the same quality standard, and this brake booster follows that approach for dependable fit and function in the Saab 9-5.