Dorman 419-202 Accessory Drive Belt Tensioner Assembly

Reliable Accessory Drive Belt Tensioner for Ford, Lincoln, Mercury

The Dorman 419-202 accessory drive belt tensioner assembly is engineered to maintain optimal serpentine belt tension for select Ford, Lincoln, and Mercury vehicles. Designed for models including the Continental, Sable, Taurus, and Windstar, this tensioner ensures consistent performance and durability.

Key Features of the Dorman 419-202 Tensioner Assembly

• Compatible with Ford, Lincoln, and Mercury Continental, Sable, Taurus, and Windstar models
• Serpentine belt type with 6 grooves for secure belt engagement
• Single pulley design with a 40 mm diameter bearing for smooth rotation
• Polyamide 6.6 pulley material reinforced with 30% glass fiber for strength and wear resistance
• Clockwise (CW) tensioner rotation for proper belt alignment
• Dimensions: 82.5 mm outside diameter, 17 mm inside diameter, widths of 20 mm and 28.5 mm

Detailed Description of the Accessory Drive Belt Tensioner Assembly

The Dorman 419-202 accessory drive belt tensioner assembly is a critical component in the accessory drive belt system, designed to maintain the correct tension on the serpentine belt. Its single pulley with six grooves matches the belt profile, ensuring reliable power transmission to engine accessories. The pulley is constructed from polyamide 6.6 with 30% glass fiber fill, providing enhanced durability and resistance to wear under high-stress conditions. The tensioner features a 40 mm pulley bearing diameter and rotates clockwise, aligning with the belt routing on compatible Ford, Lincoln, and Mercury vehicles such as the Continental, Sable, Taurus, and Windstar. Proper tension prevents belt slippage and reduces premature wear on the belt and pulleys.

Common Issues Addressed by This Belt Tensioner

• Eliminates belt slippage caused by insufficient tension
• Prevents premature serpentine belt wear and cracking
• Reduces noise from loose or misaligned belts
• Maintains consistent accessory drive performance
• Helps avoid engine overheating due to accessory failure

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model before installation
• Inspect the serpentine belt for wear and replace if necessary during installation
• Use proper tools to relieve tension and avoid damage to the tensioner or belt
• Verify clockwise rotation direction matches your vehicle’s belt routing
• Check pulley alignment and bearing condition after installation

Quality Assurance and Warranty Information

Dorman manufactures the 419-202 tensioner assembly to meet or exceed OEM specifications for fit, form, and function. The pulley material and bearing are selected for durability and long service life. This part is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.