Make sure this part fits

GM 21997350
Heater Control

2003-2004 GM

Customer Questions & Expert Answers (9)
GM 21997350 Heater Control
  • Part Description
    Control, Heater & A/C; Climate Control Module; Blower Control Switch
  • Replaces
    15189435, 15136888, 15107752
  • Manufacturer
    General Motors
Make sure this part fits
$167.91 MSRP: $297.42
You Save: $129.51 (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
    2003-2004 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2004 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2003-2004 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2003-2004 Chevrolet Avalanche 1500Base, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L GAS
    2003-2004 Chevrolet Avalanche 2500Base8 Cyl 8.1 L GAS
    2003-2004 Chevrolet Silverado 1500Base, LS, LT, SS, WT, Z71 Off-Road6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003 Chevrolet Silverado 1500 HDLS, LT8 Cyl 6.0 L GAS
    2003-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 6.0 L GAS
    2003-2004 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    2003-2004 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Can you help me check if this 21997350 is the right part for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 21997350 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the final step in the installation process for the 2004 Cadillac Escalade EXT? Posted by Customer
    A:
    Reinstall the overhead console to the headliner.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Blower Control Switches
    Q:
    What is the final step in the installation process for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Reinstall the overhead console to the headliner.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Blower Control Switches
    Q:
    How do you detach the HVAC control assembly from the console for the 2004 Cadillac Escalade ESV? Posted by Customer
    A:
    Depress the 4 tabs located on the back of the HVAC control assembly.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this A/C Switch
    Q:
    How do you secure the console back to the headliner for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Reinstall the console to the headliner and secure it with the overhead console screw, tightening it to 2 N.m (18 lb in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this A/C Switch
    Q:
    How do you remove the auxiliary HVAC control assembly for the 2004 Chevrolet Suburban 1500? Posted by Customer
    A:
    Release the tabs at the rear and push it out from the rear, then disconnect the electrical connector.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this A/C Switch
    Q:
    What is the final step in the installation process for the 2004 Chevrolet Tahoe? Posted by Customer
    A:
    Reinstall the overhead console to the headliner.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Blower Control Switches
    Q:
    What is the final step in the installation process for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Reinstall the overhead console to the headliner.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Blower Control Switches
    Q:
    What is the final step in the installation process for the 2004 GMC Yukon? Posted by Customer
    A:
    Reinstall the overhead console to the headliner.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Blower Control Switches
    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 21997350 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 21997350 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 21997350 Heater Control fits certain Chevrolet Tahoe, Silverado 1500, Silverado 2500 HD models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT models.
The original GM component designated by Manufacturer Part Number 21997350 maintains top performance when functioning as the Control, Heater & A/C; Climate Control Module; Blower Control Switch unit. The component 21997350 is constructed from durable material and its dimensions span 11.4 x 4.9 x 4.9 inches while weighing 1.30 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 21997350 has available replacement options 15189435, 15136888, 15107752. 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.