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Drive Belt Tensioner - GM (12678001)

2016-2018 GM - 12678001

Drive Belt Tensioner - GM (12678001)

2016-2018 GM - 12678001

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12678001
  • 12666891, 12671629

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12678001

  • Other Names:

    Serpentine Tensioner

  • Description:

    Genuine GM OEM Drive Belt Tensioner (MPN: 12678001) maintains optimal belt tension for reliable serpentine belt operation on 5.3L eAssist-equipped Sierra and Silverado models. This mechanical tensioner is essential for preventing belt slippage and extending the life of your engine's accessory drive system. The original equipment part ensures factory-correct performance and compatibility with GM specifications. - Mechanical drive belt tensioner designed for automatic tension adjustment on GM vehicles - OEM fitment for Chevrolet Silverado and GMC Sierra with 5.3L eAssist engine configurations - Regulates serpentine belt tension to optimize alternator, water pump, and air conditioning compressor operation - Direct replacement part engineered to GM factory standards for seamless compatibility - Genuine OEM component in new condition, backed by manufacturer quality assurance

  • Condition: New
  • Replaces:

    12666891, 12671629

  • MSRP: $136.57
  • Discount: $50.31 (36.8% off)
  • Sale Price: $86.26
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Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 12678001
  • 12666891, 12671629

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12678001

  • Other Names:

    Serpentine Tensioner

  • Description:

    Genuine GM OEM Drive Belt Tensioner (MPN: 12678001) maintains optimal belt tension for reliable serpentine belt operation on 5.3L eAssist-equipped Sierra and Silverado models. This mechanical tensioner is essential for preventing belt slippage and extending the life of your engine's accessory drive system. The original equipment part ensures factory-correct performance and compatibility with GM specifications. - Mechanical drive belt tensioner designed for automatic tension adjustment on GM vehicles - OEM fitment for Chevrolet Silverado and GMC Sierra with 5.3L eAssist engine configurations - Regulates serpentine belt tension to optimize alternator, water pump, and air conditioning compressor operation - Direct replacement part engineered to GM factory standards for seamless compatibility - Genuine OEM component in new condition, backed by manufacturer quality assurance

  • Condition: New
  • Replaces:

    12666891, 12671629

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

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Order your Drive Belt Tensioner (12678001) today and have it in your hands in a matter of days. Your Drive Belt Tensioner will be backed by a warranty and guaranteed to fit your 2016-2018 vehicle. 

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