Details

• Brand:

  

• SKU:

  87866332

• Other Names:

  Cable

• Description:

  GM Part 87866332 is an OEM auxiliary battery negative cable assembly (GM description: CABLE ASM-AUX BAT NEG). It supersedes part numbers 84598885 and 84655056.

  Common applications include:

  • Chevrolet Silverado 2500 HD
  • Chevrolet Silverado 3500 HD
  • GMC Sierra 2500 HD
  • GMC Sierra 3500 HD

  It is used on trucks equipped with an auxiliary battery and is commonly associated with dual-alternator/dual-generator electrical systems found on certain gas and diesel HD truck configurations.

  If you're checking fitment for a specific truck, send:

  • Year
  • Make
  • Model
  • Engine
  • Last 8 digits of the VIN

  and I can verify whether 87866332 is the correct battery cable for your vehicle.

  
  

  Genuine GM OEM Negative Cable (MPN: 87866332) is an essential electrical component designed for Chevrolet Silverado and GMC Sierra heavy-duty trucks with dual generator setups. This OEM negative battery cable ensures proper grounding and electrical system performance across 2500 HD and 3500 HD models equipped with both gas and diesel engines. A critical replacement part for maintaining reliable battery connections and vehicle electrical integrity.

  - Negative battery cable assembly for GM heavy-duty pickup trucks with dual generator configurations
  - OEM factory fitment for Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD (gas and diesel engines)
  - Provides essential grounding connection between battery and vehicle chassis for optimal electrical system function
  - Direct replacement cable compatible with auxiliary generator systems on select GM trucks
  - Genuine OEM part manufactured to exact GM specifications and quality standards

• Replaces:

  84598885, 84655056

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