Dorman 34286 A/C Compressor Bypass Pulley

Reliable A/C Compressor Bypass Pulley for Nissan Altima and Sentra

The Dorman 34286 A/C Compressor Bypass Pulley is designed specifically for Nissan Altima and Sentra models. Engineered with durable materials, this pulley ensures smooth operation of your vehicle's serpentine belt system while bypassing the A/C compressor when necessary.

• Constructed with an aluminum bracket for strength and corrosion resistance
• Features a plastic pulley with a natural color finish
• Measures 122 mm outside diameter and 29 mm width for precise fit
• Includes a mounting bracket with four mounting holes, each 9 mm in diameter
• Compatible with TM21HD compressor type
• Designed for serpentine belt systems
• Package contains one bracket and one pulley

Durable Construction and Precise Fit for Nissan Vehicles

The Dorman 34286 bypass pulley combines an aluminum bracket with a plastic pulley to provide a balance of durability and lightweight performance. Its natural color finish complements the engine bay without compromising on quality. The pulley’s 122 mm outside diameter and 29 mm width are engineered to match the specifications required for Nissan Altima and Sentra models equipped with TM21HD compressors. The included mounting bracket and four 9 mm mounting holes ensure secure installation and reliable operation within the serpentine belt system.

Compatible Nissan Models and Common Applications

This A/C compressor bypass pulley is compatible with Nissan Altima and Sentra vehicles that utilize the TM21HD compressor type. It is designed to replace worn or damaged pulleys that can cause belt slippage, noise, or improper belt routing.

• Eliminates belt slippage caused by a faulty pulley
• Prevents noise from worn or damaged pulleys
• Ensures proper serpentine belt alignment and tension
• Bypasses the A/C compressor when necessary for system maintenance or failure
• Supports smooth engine accessory operation

Installation Notes and Tips

Installation of the Dorman 34286 pulley requires removal of the existing A/C compressor pulley and bracket. The included mounting bracket simplifies the replacement process, but mounting hardware is not included and must be sourced separately. Ensure the serpentine belt is properly routed and tensioned after installation. This part does not come with installation instructions, so professional installation or reference to a service manual is recommended for accurate fitment and safety.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 34286 A/C Compressor Bypass Pulley undergoes quality checks to ensure durability and reliable performance in Nissan Altima and Sentra vehicles. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts. Consult the product packaging or Dorman’s official resources for exact warranty terms.