Dorman 34166 A/C Compressor Bypass Pulley

Reliable A/C Compressor Bypass Pulley for Ford, Lincoln, and Mercury

The Dorman 34166 A/C Compressor Bypass Pulley is designed to restore proper belt function in select Ford, Lincoln, and Mercury vehicles. Engineered with durable materials and complete mounting hardware, this pulley ensures a precise fit and reliable operation for models like the Continental, Sable, Taurus, and Windstar.

Key Features of the Dorman 34166 A/C Compressor Bypass Pulley

• Constructed with an aluminum bracket for strength and corrosion resistance
• Plastic pulley with a 127 mm outside diameter for smooth belt engagement
• Includes mounting bracket and hardware for straightforward installation
• Compatible with serpentine belt systems
• Designed specifically for FS10 compressor types
• Installation instructions included for ease of use
• Package contains one pulley, bracket, and all necessary hardware

Detailed Product Description

The Dorman 34166 A/C Compressor Bypass Pulley is a precision replacement part tailored for vehicles equipped with FS10 compressors. The aluminum bracket provides a sturdy mounting base, while the plastic pulley is engineered to maintain proper belt tension and alignment. With an outside diameter of 127 mm, this pulley is optimized for serpentine belt systems commonly found in Ford, Lincoln, and Mercury models such as the Continental, Sable, Taurus, and Windstar. The inclusion of mounting hardware and installation instructions simplifies the replacement process, reducing downtime and ensuring a secure fit.

Common Applications and Issues Addressed

• Bypasses a faulty or seized A/C compressor to maintain belt operation
• Eliminates belt slippage caused by worn or damaged pulleys
• Prevents belt misalignment and associated engine accessory issues
• Restores proper serpentine belt routing in affected Ford, Lincoln, and Mercury vehicles
• Addresses noise or vibration related to compressor pulley failure

Installation Notes and Tips

• Verify compatibility with your vehicle’s make, model, and compressor type before installation
• Use the included mounting hardware and follow the provided instructions carefully
• Inspect the serpentine belt for wear and replace if necessary during installation
• Ensure proper torque specifications are met to avoid premature pulley failure

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 34166 A/C Compressor Bypass Pulley undergoes rigorous quality checks to ensure fit and function. Installation instructions are included to support proper setup. Please consult Dorman’s warranty policy for specific coverage details.