Standard Ignition BST158 Power Brake Booster Vacuum Sensor

Reliable Power Brake Booster Vacuum Sensor for Select GM and Saab Models

The Standard Ignition BST158 Power Brake Booster Vacuum Sensor is engineered to provide accurate vacuum pressure readings essential for optimal brake system performance. Designed with a female oval plug-in connector and three male blade terminals, this sensor ensures secure and reliable electrical connections for vehicles including Buick, Cadillac, Chevrolet, GMC, Saab, and Saturn models.

• Female connector with oval shape for precise fitment
• Single plug-in connector for straightforward installation
• Three male blade terminals for stable electrical contact
• Compatible with multiple GM and Saab vehicles including Chevrolet Cruze and Cadillac ATS
• Standard Ignition quality meeting OEM specifications

Detailed Product Features and Specifications

The BST158 Power Brake Booster Vacuum Sensor features a female connector designed in an oval shape, facilitating a secure plug-in connection to the vehicle’s wiring harness. It includes one connector with three male blade terminals, which are engineered to maintain consistent electrical conductivity under various operating conditions. This sensor is critical for monitoring vacuum levels in the power brake booster, helping to regulate brake assist functions accurately. Compatible with a range of models such as the Buick LaCrosse, Cadillac XTS, Chevrolet Impala, GMC Terrain, Saab 9-4X, and Saturn Sky, this sensor supports proper brake system diagnostics and performance.

Applications and Common Issues Addressed

• Helps resolve inconsistent brake pedal feel due to vacuum sensor failure
• Prevents brake assist malfunction warnings on compatible Buick, Cadillac, and Chevrolet vehicles
• Addresses vacuum leaks affecting power brake booster efficiency
• Supports accurate brake system diagnostics in GMC Terrain and Saab 9-4X
• Reduces risk of brake system warning lights caused by faulty sensor readings

Installation Notes and Tips

When installing the Standard Ignition BST158 sensor, ensure the female oval plug-in connector is fully seated to avoid loose connections. Verify that the three male blade terminals align correctly with the vehicle’s wiring harness terminals. It is recommended to inspect the wiring harness for any signs of wear or corrosion before installation. Proper installation will help maintain accurate vacuum readings and reliable brake system performance.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring dependable performance and durability. The BST158 Power Brake Booster Vacuum Sensor undergoes rigorous quality control testing to verify fit, form, and function. While specific warranty details are not provided here, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.