Dorman 419-613 Accessory Drive Belt Tensioner Pulley - Serpentine

Reliable Accessory Drive Belt Tensioner Pulley for Select GM and Ford Models

The Dorman 419-613 accessory drive belt tensioner pulley is engineered to maintain proper tension on serpentine belts in various Buick, Chevrolet, Ford, GMC, Lincoln, Mercury, Oldsmobile, and Pontiac vehicles. Designed with durable polyamide material, this specific-fit pulley ensures consistent performance and longevity in demanding engine environments.

• Constructed from high-strength polyamide for durability and wear resistance
• Measures 90.7 mm outside diameter with a 17 mm inside diameter
• Single groove design compatible with serpentine belt systems
• Includes one pulley bearing with a 12 mm width for smooth operation
• Specific fit for models such as Chevrolet Blazer, Ford F-150, GMC Yukon, and more

Detailed Product Description and Specifications

The Dorman 419-613 accessory drive belt tensioner pulley features a 90.7 mm outside diameter and a 17 mm inside diameter, optimized for serpentine belt systems requiring a single groove. The pulley width is specified at 20 mm and 32 mm, accommodating the belt path and tensioner assembly requirements. Equipped with one bearing of 12 mm width, this pulley supports smooth rotation and reduces wear on the belt system. The polyamide construction offers resistance to heat and mechanical stress, making it suitable for regular grade applications in trucks, SUVs, and passenger cars.

Compatible Vehicles and Common Applications

This pulley is specifically designed for use in a range of vehicles including Buick LeSabre, Chevrolet C1500 Suburban, Ford F-250 HD, GMC Jimmy, Lincoln Town Car, Mercury Cougar, Oldsmobile Cutlass Calais, and Pontiac Firebird. It is compatible with models such as the Chevrolet Blazer, Ford F-150, and GMC Yukon, ensuring proper fit and function in these accessory drive belt systems.

• Eliminates belt slippage caused by worn or damaged pulleys
• Prevents abnormal belt noise and vibration
• Restores proper belt tension for efficient engine accessory operation
• Reduces premature belt wear and potential engine accessory failure
• Addresses pulley bearing wear that can lead to pulley misalignment

Installation Notes and Tips

Installation of the Dorman 419-613 pulley requires removal of the old tensioner pulley and careful alignment with the serpentine belt path. Ensure the belt is properly seated in the single groove and verify the pulley bearing rotates smoothly before final assembly. Mounting hardware is not included, so retain original fasteners or source compatible hardware. It is recommended to inspect the entire accessory drive belt system during installation for signs of wear or damage.

Quality Assurance and Warranty Information

Dorman manufactures this accessory drive belt tensioner pulley to meet or exceed OEM specifications for fit, form, and function. The polyamide material and bearing components are selected for durability under typical operating conditions. While mounting hardware is not included, the pulley is designed for specific vehicle applications to ensure reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier.