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
You Save: $257.57 (44%)
Core Charge: $100.00
Currently Unavailable

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

  • 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
    Warning: California's Proposition 65
  • 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 Heater Control 21999163 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 21999163 Heater Control is available in the market under the name GM A/C Switch, Blower Control Switches. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 21999163 Heater Control fits certain Chevrolet Trailblazer, Trailblazer EXT models, as well as GMC Envoy, Envoy XL. Additionally, it is compatible with Oldsmobile Bravada models.
The original GM component designated by manufacturer part number 21999163 maintains top performance when functioning as the Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch unit. The component 21999163 is constructed from durable material and its dimensions span 13.1 x 4.3 x 4.4 inches while weighing 1.20 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Dash Control Unit; Control, A/C Instrument Panel. The part 21999163 has available replacement options 15079112, 15195380, 15077479, 15085358. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.