Dorman 419-612 Accessory Drive Belt Tensioner Pulley - Power Steering Bracket, Smooth Pulley or Upper

Overview of Dorman Accessory Drive Belt Tensioner Pulley 419-612

The Dorman 419-612 accessory drive belt tensioner pulley is engineered for specific vehicle applications including Acura, Ford, Honda, Lincoln, and Mercury models. Designed with durable steel construction, this pulley supports serpentine belt systems to maintain proper tension and ensure smooth engine operation.

• Constructed from high-quality steel for durability
• Outside diameter measures 76.2 mm for precise fit
• Inside diameter of 17 mm accommodates specific mounting requirements
• Width options of 20 mm and 38 mm for compatibility with various belt configurations
• Single pulley bearing with 12 mm width for reliable rotation
• Designed for serpentine belt systems
• Specific fit for select Acura, Ford, Honda, Lincoln, and Mercury vehicles
• Package includes one idler pulley

Detailed Product Description

The Dorman 419-612 accessory drive belt tensioner pulley is a critical component in the accessory drive belt system, responsible for maintaining proper tension on the serpentine belt. Made from steel, this pulley offers strength and resistance to wear under continuous engine operation. The 76.2 mm outside diameter and 17 mm inside diameter ensure a precise fit on the tensioner assembly. With a pulley bearing width of 12 mm and a single bearing design, it provides smooth and consistent rotation, reducing belt slippage and noise. This pulley is specifically designed for use with serpentine belts and is compatible with a range of vehicles including the Acura Accord, Honda Civic, Ford F-150, Lincoln Navigator, and Mercury Cougar, among others.

Common Applications and Issues Addressed

• Restores proper belt tension to prevent slipping and squealing
• Eliminates belt misalignment caused by worn or damaged pulleys
• Reduces premature belt wear and extends belt life
• Prevents engine accessory malfunctions due to belt failure
• Addresses noise issues related to pulley bearing wear

Installation Notes and Tips

When installing the Dorman 419-612 tensioner pulley, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Verify the pulley’s inside diameter matches the tensioner shaft for a secure fit. Since mounting hardware is not included, retain original fasteners or source appropriate replacements. Inspect the belt and other drive components during installation to ensure overall system integrity.

Quality Assurance and Warranty

Dorman manufactures this accessory drive belt tensioner pulley to meet or exceed OEM specifications for fit and function. The steel construction and precision bearing design contribute to reliable performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.