Dorman 420-186 Belt Tensioner Damper

Overview of Dorman 420-186 Belt Tensioner Damper

The Dorman 420-186 belt tensioner damper is designed specifically for Mitsubishi Eclipse models, providing reliable tension control for the accessory drive belt system. Constructed from durable ductile iron, this non-adjustable tensioner ensures consistent performance and longevity.

• Constructed from high-strength ductile iron for durability
• Width measures 95.6 mm for precise fitment
• Non-adjustable design for straightforward installation
• Includes one tensioner per package
• Compatible with Mitsubishi Eclipse accessory drive belt systems

Detailed Product Description

The Dorman 420-186 belt tensioner damper is engineered to maintain proper tension on the accessory drive belt in Mitsubishi Eclipse vehicles. Its ductile iron construction offers enhanced strength and resistance to wear, which is critical for the demanding environment of the engine bay. The tensioner’s width of 95.6 mm is tailored to fit the specific belt routing and pulley alignment of the Eclipse, ensuring smooth operation without slippage. This part is non-adjustable, simplifying installation and reducing the risk of improper tension settings.

Common Applications and Problem Resolution

This belt tensioner damper is used to address issues related to the accessory drive belt system in Mitsubishi Eclipse models. It helps resolve:

• Excessive belt noise caused by improper tension
• Premature belt wear due to inconsistent tension
• Vibration and pulley misalignment in the accessory drive system
• Loss of accessory function from belt slippage
• Engine performance issues linked to belt drive components

Installation Notes and Tips

Installation of the Dorman 420-186 belt tensioner damper requires basic mechanical skills and standard hand tools. Since the part is non-adjustable, ensure the correct alignment of the belt and pulleys during installation. It is recommended to inspect the accessory drive belt and related components for wear and replace them if necessary to maintain optimal system performance.

Quality Assurance and Warranty

Dorman manufactures the 420-186 belt tensioner damper to meet or exceed OEM specifications for Mitsubishi Eclipse vehicles. The use of ductile iron material provides enhanced durability under normal operating conditions. This part is backed by Dorman’s quality standards, ensuring reliable fit and function. Warranty details are provided by Dorman and typically cover defects in material and workmanship.