HomeHVAC > A/C Clutch and CompressorDorman 34862 A/C Compressor Bypass Pulley
Part #: 34862

Dorman 34862 A/C Compressor Bypass Pulley

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7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan, Altima
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Overview of Dorman A/C Compressor Bypass Pulley 34862

The Dorman A/C Compressor Bypass Pulley 34862 is designed specifically for Nissan Altima models, providing a reliable replacement for your vehicle's HVAC system. Engineered with durable materials, this pulley ensures consistent performance and compatibility with standard compressors.

  • Constructed with a combination of aluminum and plastic for strength and durability
  • Natural color finish for corrosion resistance and long-lasting use
  • Measures 4.75 inches outside diameter and 1.3 inches width
  • Features 7 grooves to accommodate multi-rib belts
  • Includes mounting bracket and one pulley for straightforward installation
  • Four mounting holes with diameters of 11.5 mm and 10.5 mm for secure fitment
  • Compatible with standard compressor types used in Nissan Altima models

Detailed Product Description

The Dorman 34862 A/C Compressor Bypass Pulley is engineered to meet the specific requirements of Nissan Altima vehicles. Its aluminum and plastic construction balances lightweight design with structural integrity, ensuring smooth operation within the HVAC system. The pulley’s 7-groove design supports multi-rib belts, which are common in modern automotive applications, helping maintain proper belt alignment and tension. With an outside diameter of 4.75 inches and a width of 1.3 inches, this pulley fits precisely to avoid unnecessary wear or slippage. The included mounting bracket and four mounting holes provide a secure and stable installation, although mounting hardware is not included. This part is intended for use with standard compressor types, making it a direct replacement for the original equipment in Nissan Altima models.

Common Applications and Problem Resolution

  • Replaces worn or damaged A/C compressor bypass pulleys in Nissan Altima vehicles
  • Addresses issues with belt slippage or misalignment caused by pulley wear
  • Helps resolve unusual noises or vibrations from the HVAC system pulley area
  • Prevents premature belt wear due to improper pulley groove condition
  • Supports proper function of the A/C compressor by maintaining belt tension

Installation Notes and Tips

Installation of the Dorman 34862 pulley requires removal of the existing bypass pulley and mounting bracket. While the mounting bracket is included, mounting hardware is not, so ensure you have the appropriate bolts and tools before beginning. The pulley features four mounting holes with diameters of 11.5 mm and 10.5 mm, so verify compatibility with your vehicle’s hardware. No installation instructions are included, so consulting a service manual specific to the Nissan Altima is recommended for proper torque specifications and alignment procedures. Proper belt routing and tension adjustment are critical to avoid premature wear.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 34862 A/C Compressor Bypass Pulley undergoes quality checks to ensure durability and reliable performance in Nissan Altima HVAC systems. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. It is advisable to verify warranty coverage at the time of purchase or through official Dorman documentation.

BrandDorman
Part Number34862
ColorNatural
Compressor TypeStandard
Groove Quantity7
Inside Diameter1.5
Installation Instructions IncludedNo
MaterialAluminum
MaterialPlastic
Mount Hole Diameter11.5 mm; 10.5 mm
Mounting Bracket IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity4
Number of Pulleys Included1
Outside Diameter4.75
Package ContentsBracket; Pulleys
Width1.3

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013NissanAltima3.5LV6N/A
2012NissanAltima3.5LV6N/A
2011NissanAltima3.5LV6N/A
2010NissanAltima3.5LV6N/A
2009NissanAltima3.5LV6N/A
2008NissanAltima3.5LV6N/A
2007NissanAltima3.5LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

67667

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.