Dorman 419-035 Accessory Drive Belt Tensioner Assembly - Alternator and Water Pump

Overview of Dorman Accessory Drive Belt Tensioner Assembly

The Dorman 419-035 accessory drive belt tensioner assembly is engineered for reliable performance in various BMW models. Constructed from durable aluminum, this silver tensioner ensures consistent belt tension and smooth operation of your vehicle's accessory drive system.

• Material: High-quality aluminum for strength and corrosion resistance
• Length: 120 mm for precise fitment
• Color: Silver finish for durability and appearance
• Mounting: Equipped with 2 mounting holes, each 8 mm in diameter
• Package includes: 1 complete drive belt tensioner assembly

Detailed Product Description

This accessory drive belt tensioner assembly by Dorman is designed to maintain optimal tension on the drive belt, preventing slippage and ensuring efficient operation of engine accessories. The aluminum construction provides a lightweight yet sturdy component that resists wear and corrosion over time. With a length of 120 mm and two mounting holes sized at 8 mm diameter, this tensioner is engineered to fit securely in the accessory drive system of select BMW vehicles.

Compatible with a wide range of BMW models including the 320i, 323Ci, 325i, 328i, 330i, 525i, M3, X3, X5, Z3, and Z4, the Dorman 419-035 tensioner assembly is a direct replacement part that meets OEM specifications. Its silver finish not only adds to the component's durability but also helps resist environmental factors that can degrade performance.

Common Applications and Problem Resolution

• Restores proper belt tension to prevent belt slippage and noise
• Eliminates premature belt wear caused by improper tension
• Addresses issues with accessory drive components such as alternator or power steering pump malfunction
• Prevents overheating caused by belt-driven cooling system failure
• Reduces vibration and improves overall engine accessory performance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid injury
• Verify compatibility with your specific BMW model and engine type
• Use proper tools to remove the old tensioner and install the new assembly securely
• Check belt alignment and tension after installation to confirm correct operation
• Consult vehicle service manual for torque specifications and detailed procedures

Quality Assurance and Warranty Information

Dorman manufactures the 419-035 accessory drive belt tensioner assembly to meet or exceed OEM standards. The aluminum construction and precise engineering contribute to long-lasting performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use conditions.