Make sure this part fits

GM 21999163
Heater Control

2002 GM

Customer Questions & Expert Answers (3)
GM 21999163 Heater Control
  • Part Description
    Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch
  • Replaces
    15079112, 15195380, 15077479, 15085358
  • Manufacturer
    General Motors
Make sure this part fits
$329.25 MSRP: $586.82
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Core Charge: $100.00
Currently Unavailable

Due to manufacturer supply shortage, this item isn't currently available for ordering.

  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number21999163
    Part DescriptionControl Assembly-Heater & A/C; Climate Control Module; Blower Control Switch
    Other NamesDash Control Unit; Control, A/C Instrument Panel
    Item Dimensions13.1 x 4.3 x 4.4 inches
    Item Weight1.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15079112, 15195380, 15077479, 15085358
    ManufacturerGeneral Motors
    SKU21999163
    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 Trim Engine
    2002 Chevrolet TrailblazerLS, LT, LTZ, North Face6 Cyl 4.2 L GAS
    2002 Chevrolet Trailblazer EXTLT, North Face6 Cyl 4.2 L GAS
    2002 GMC EnvoySLE, SLT6 Cyl 4.2 L GAS
    2002 GMC Envoy XLSLE, SLT6 Cyl 4.2 L GAS
    2002 Oldsmobile BravadaBase6 Cyl 4.2 L GAS
  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 21999163 is the right part for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 21999163 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to Replace Blower Control Switches in HVAC Systems on Chevrolet Trailblazer? Posted by Customer
    A:
    The front auxiliary Blower Motor Switch must be pressed down and to the right to be removed from the control panel. Begin by taking the electrical connector off the switch. Plug in the electrical cable to the front auxiliary Blower Motor Switch before placing the switch back into its original position on the console.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to Replace Blower Control Switches in HVAC Systems for Manual on GMC Envoy? Posted by Customer
    A:
    Before you can replace the front auxiliary Blower Motor Switch you need to press down and to the right to take it out from the console then disconnect the electrical cable. Press the electrical connector onto the front auxiliary Blower Motor Switch before returning it to the console and tightly aligning it.
    Posted by ChevyPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 21999163, Excellent Performance and Perfect Fitment

To ensure reliability, purchase GM part # 21999163 Heater Control. It is sometimes referred to as GM A/C Switch, GM Blower Control Switches. Choosing OEM parts is the optimal decision for guaranteeing superior quality and perfect performance. These components undergo stringent quality checks and are carefully constructed to comply with GM's factory specifications, ensuring a smooth installation process.

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