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Hummer 89040362 Pressure Cycling Switch

2003-2006 Hummer H2

Customer Questions & Expert Answers (3)
89040362 GM Pressure Cycling Switch Product Photo 1 of 1
  • Part Description
    Switch, Air Conditioner Compressor
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number89040362
    Part DescriptionPressure Cycling Switch; Switch, Air Conditioner Compressor
    Item Dimensions2.7 x 1.5 x 1.2 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU89040362
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2003-2006 Hummer H28 Cyl 6.0LH2 HUMMER, PICKUP, SUV
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 89040362 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    How do you install the HVAC Pressure Switch for the low-pressure system of the 2007 Chevrolet Silverado? Posted by Yulduz M.
    A:
    Screw the new switch onto the threads until hand tight and then tighten it securely before reconnecting the electrical connector. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Sep 24, 2025
    Q:
    How do you remove the HVAC Pressure Switch for the 2007 GMC Sierra? Posted by Shakeerah W.
    A:
    Start by unplugging the electrical connector and then unscrewing the switch using an open-end wrench. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Aug 28, 2025

Genuine GM Part 89040362, the Right Choice

To ensure reliability, purchase GM part # 89040362 Pressure Cycling Switch. It is sometimes referred to as Hummer HVAC Pressure Switch, Hummer A/C Compressor Cut-Out Switches. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Hummer H2 models.

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