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Engine Wiring Harness - GM (84742303)

2020-2023 GM - 84742303

Engine Wiring Harness - GM (84742303)

2020-2023 GM - 84742303

Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 84742303
  • 84583050, 84652918

Details

  • Brand:

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

  • SKU:

    84742303

  • Other Names:

    Engine Harness

  • Description:

    The GM OEM Engine Wiring Harness (MPN: 84742303) is a genuine factory electrical component engineered specifically for 6.6L diesel engines without dual alternators in 2WD applications. This authentic General Motors wiring harness ensures reliable engine starting, charging, and ignition system performance on compatible diesel trucks. Built to meet strict manufacturer specifications, this OEM part delivers the dependable connectivity your GM diesel engine requires. - Genuine OEM Engine Wiring Harness designed and tested by General Motors - Direct fit for select 6.6L diesel GM vehicles with single alternator configurations in 2-wheel drive - Manages critical electrical connections between engine components, alternator, and battery systems - Compatible with GM diesel trucks equipped without dual alternator setups - Authentic factory condition part backed by General Motors engineering standards

  • Replaces:

    84583050, 84652918

  • MSRP: $749.68
  • Discount: $283.91 (37.9% off)
  • Sale Price: $465.77
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Manufacturer Warranty Minimum of 12 Months
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Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • GM
  • 84742303
  • 84583050, 84652918

Details

  • Brand:

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

  • SKU:

    84742303

  • Other Names:

    Engine Harness

  • Description:

    The GM OEM Engine Wiring Harness (MPN: 84742303) is a genuine factory electrical component engineered specifically for 6.6L diesel engines without dual alternators in 2WD applications. This authentic General Motors wiring harness ensures reliable engine starting, charging, and ignition system performance on compatible diesel trucks. Built to meet strict manufacturer specifications, this OEM part delivers the dependable connectivity your GM diesel engine requires. - Genuine OEM Engine Wiring Harness designed and tested by General Motors - Direct fit for select 6.6L diesel GM vehicles with single alternator configurations in 2-wheel drive - Manages critical electrical connections between engine components, alternator, and battery systems - Compatible with GM diesel trucks equipped without dual alternator setups - Authentic factory condition part backed by General Motors engineering standards

  • Replaces:

    84583050, 84652918

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 Engine Wiring Harness (84742303) today and have it in your hands in a matter of days. Your Engine Wiring Harness will be backed by a warranty and guaranteed to fit your 2020-2023 vehicle. 

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