Dorman 917-146 Vacuum Pump Repair Kit

Reliable Vacuum Pump Repair Kit for BMW Models

The Dorman 917-146 Vacuum Pump Repair Kit is designed to restore the efficiency of your vehicle's emission control vacuum system. Engineered with durable rubber and steel components, this kit is compatible with select BMW models including the 545i, 550i, 645Ci, 650i, 745i, 745Li, 750i, 750Li, 760i, 760Li, and X5.

• Includes 2 precision O-rings with specific thickness and diameter tolerances
• 5 high-quality steel screws for secure assembly
• O-rings feature a round rim shape for optimal sealing
• Color combination of black and silver for easy identification during installation
• Designed specifically for BMW vacuum pump repair applications

Durable Materials and Precise Specifications

This vacuum pump repair kit combines rubber and steel materials to ensure long-lasting performance under demanding engine conditions. The included O-rings have carefully measured dimensions, with minimum thickness ranging from 2.90 to 3.10 mm and inside diameters between 52.55 mm and 93.66 mm. The outside diameters range from 55.45 mm to 96.76 mm, providing a reliable seal to prevent vacuum leaks. The round rim shape of the O-rings enhances sealing efficiency, reducing the risk of emission control failures.

Compatible BMW Models and Part Number Details

Compatible with BMW models such as the 545i, 550i, 645Ci, 650i, 745i, 745Li, 750i, 750Li, 760i, 760Li, and X5, this kit is identified by part number 917-146. Using the correct repair kit ensures proper fitment and function within the vacuum system, maintaining your vehicle’s emission control integrity.

Common Applications and Problem Resolution

• Restores vacuum pump sealing to prevent leaks
• Addresses vacuum system failures causing engine performance issues
• Replaces worn or damaged O-rings and mounting screws
• Helps resolve emission control malfunctions related to vacuum loss
• Supports maintenance of proper vacuum pressure for brake boosters and other systems

Installation Notes and Tips

Ensure the vacuum pump surface is clean and free of debris before installing the new O-rings. Use the included steel screws to securely fasten components, applying appropriate torque specifications as per BMW service guidelines. Verify the O-ring dimensions match the original parts to maintain a proper seal. It is recommended to inspect the vacuum pump and related components for wear during installation.

Quality Assurance and Warranty

Dorman provides this vacuum pump repair kit with quality materials designed to meet OEM standards. The kit undergoes rigorous testing to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers coverage against defects in material and workmanship to support reliable vehicle maintenance.