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Hummer 52458184 High Pressure Cutoff Switch

2003-2010 Hummer

Customer Questions & Expert Answers (3)
52458184 GM High Pressure Cutoff Switch Product Photo 1 of 4
  • Part Description
    Valve, Air Conditioner Compressor Oil Test
  • Replaces
    52458183
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number52458184
    Part DescriptionHigh Pressure Cutoff Switch; Valve, Air Conditioner Compressor Oil Test
    Item Dimensions1.7 x 1.1 x 0.7 inches
    Item Weight0.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces52458183
    ManufacturerGeneral Motors
    SKU52458184
    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
    2003-2009 Hummer H28 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.2L FlexH2 HUMMER, PICKUP, SUV
    2009-2010 Hummer H38 Cyl 5.3LSUV
    2009-2010 Hummer H3T8 Cyl 5.3LSUV
  • Customer Questions & Expert Answers

    Q:
    I want to know whether this will fit my car.
    A:
    You can Select Your Vehicle to check if 52458184 fits your vehicle.
    Posted and answered by GM Parts Specialist Bob
    Q:
    How to remove the HVAC Pressure Switch on Chevrolet Impala? Posted by Jessa T.
    A:
    To remove the air filter housing, start by unplugging the electrical connector from the sensor. Then, unscrew the sensor from the Schrader valve, making sure to use a back-up wrench on the fitting to prevent any damage to the refrigerant line. For installation, begin by lubricating the switch O-ring with clean refrigerant oil of the correct type. Next, screw the new switch onto the threads until hand tight and then tighten it securely. Finally, reconnect the electrical connector.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Jun 10, 2023
    Q:
    Does this part 52458184 fit the high side AC service port in place of the plastic cap to stop a small leak in the original service port. The rubber ball is not serviceable in the original line. Does this valve now become the new high side service port? Posted by Noaz B. / 2002 Light Truck Silverado / Sierra - 03, 43, 53 Bodystyle (4WD / AWD)
    A:
    YES PART # 52458184 IS THE SERVICE FITTING FOR THE A/C LINE. MOST OF THE TIME YOU CAN REPLACE IT WITH NO PROBLEMS. I HAVE SEEN TECHNICIANS FAIL TO REMOVE OLD FITTING BECAUSE THE FITTING AND LINE ARE BOTH ALUMINUM AND CAN BECOME SEIZED. IN THAT SITUATION YOU MAY HAVE TO PURCHASE THE A/C LINE PART#19210875 WHICH WILL INCLUDE SERVICE FITTINGS AND ORFICE TUBE AS WELL.
    Answered by GM Parts Specialist Jose / Aug 01, 2022

Genuine GM Part 52458184, the Right Choice

To ensure reliability, purchase GM part # 52458184 High Pressure Cutoff Switch. It is sometimes referred to as Hummer HVAC Pressure Switch, Hummer A/C System Valve Core. 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, H3, H3T models.

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