Controls for 2021 Chevrolet Silverado 1500
No.
Part # / Description / Price
Price
3
MSRP $9.16
$5.11
4
Cabin Air Filter 
GM
GM Description: Equipped with long media in the non-woven material/compound media in order to capture particles while increasing air flow
Has a multi-layered construction that creates 'separated' media in order to contain particles
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
Has a multi-layered construction that creates 'separated' media in order to contain particles
This GM Genuine part is designed, engineered and tested to rigorous standards, and are backed by General Motors
MSRP $55.78
$31.03
MSRP $55.78
$31.03
5
Case Assembly GM
GM Description: Double & crew cab, with dual zone cntrl, without reinf heater. Silverado, sierra. Upper. Front auto/aux controls. Without reinforced heating.
MSRP $205.86
$130.27
MSRP $205.86
$130.27
5
Heater and Air Conditioning Evaporator Case GM
GM Description: Without dual-zone. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $104.62
$66.21
MSRP $104.62
$66.21
6
Case Assembly GM
GM Description: Front, without standard cab. Silverado, Sierra 2500 HD. Lower case. Silverado, Sierra 3500 HD. Front, double & crew cab.
MSRP $21.98
$12.25
MSRP $21.98
$12.25
7
Case Assembly GM
GM Description: Rear. Silverado, Sierra 2500 HD. Lower case. Silverado, Sierra 3500 HD. Double & crew cab, with dual zone cntrl, with reinf heater.
MSRP $97.32
$61.59
MSRP $97.32
$61.59
8
Evaporator Core GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $223.42
$124.00
MSRP $223.42
$124.00
9
Air Conditioning Evaporator Thermal Expansion Valve Kit (REPLACED BY PART NUMBER 87848947) GM
GM Notes: PARTS: Part included with evaporator core.
Description: Permanently lubricated, self-aligning bearings designed for long life and dependable performance\
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This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\
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Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
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This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\
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Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
10
Heater Core GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Escalade ESV. Coolant heated. Yukon. Without reinforced elect heat. For Primary HVAC.
MSRP $110.34
$61.24
MSRP $110.34
$61.24
11
Heater Cover GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.59
$5.45
MSRP $8.59
$5.45
12
Motor (Replaces Part Number 84578322) GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Permanently lubricated, self-aligning bearings designed for long life and dependable performance
MSRP $222.78
$123.63
MSRP $222.78
$123.63
13
(Replaces 84523255) Blower Motor Control Module GM
GM Description: Blower motor control. Silverado, sierra.
MSRP $121.11
$67.22
MSRP $121.11
$67.22
16
Acdelco™ HVAC Air Inlet Door Actuator GM
GM Description: Air inlet (recirculation). Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
16
Heating and Air Conditioning Air Inlet Door Actuator GM
GM Description: Air inlet (recirculation). Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Restore air inlet door operation caused by worn actuator
MSRP $30.95
$17.25
MSRP $30.95
$17.25
16
Acdelco™ HVAC Air Inlet Door Actuator GM
GM Description: Temp valve. Mode actuator. Silverado, Sierra 3500 HD. Temperature door. Silverado, Sierra 2500 HD.
17
Heating and Air Conditioning Panel Mode Door Actuator GM
GM Description: Temp valve. Temperature door. Silverado, Sierra 2500 HD. Mode actuator. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $31.29
$17.45
MSRP $31.29
$17.45
19
Heater Wiring Harness GM
GM Description: With dual-zone. Connects vehicle's blower motor to the resistor or fan control module
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $114.16
$63.36
MSRP $114.16
$63.36
20
Air Conditioning Evaporator Temperature Sensor GM
GM Description: Evaporator temperature. A/c evaporator air temp. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
MSRP $13.22
$7.37
MSRP $13.22
$7.37
Related Parts
Part # / Description / Price
Price
Heating and Air Conditioning Control Panel GM
GM Notes: Order by Description.
Description: Without dual-zone, without ht seats, without rr def, labeled 84542732. Without atc. Without rear defogger. Without dual-zone, without heated seats, labeled 84542732. Silverado, Sierra 2500 HD. With auxiliary rear a/c. Manual folding outside. Mirror. Silverado, Sierra 3500 HD. Restores the operation and function of your vehicles heating and cooling controls
MSRP $267.13
$148.26
MSRP $267.13
$148.26
Heating and Air Conditioning Control Panel GM
GM Notes: Order by Description.
Description: Without dual-zone, without ht seats, with rr def, labeled 84542733. Without atc. Without rear defogger. Without dual-zone, without heated seats, labeled 84542733. Silverado, Sierra 2500 HD. With auxiliary rear a/c. Power folding outside. Mirror. Silverado, Sierra 3500 HD. Restores the operation and function of your vehicles heating and cooling controls
MSRP $278.59
$154.62
MSRP $278.59
$154.62
Dash Control Unit GM
GM Notes: Order by Description.
Description: Without atc. 2023-25, wt, custom, custom tb, without dual-zone, with rear defogger, labeled 84542734. Silverado 2500 HD. With rear window defogger. Without seat heater. Silverado 3500 HD. 2024, work truck, without dual-zone, with heated seats, without dual-zone, with heated seats. 2024-25, wt, custom, without dual-zone, with heated seats, without dual-zone, with heated seats.
MSRP $254.04
$140.99
MSRP $254.04
$140.99
Acdelco™ Dash Control Unit GM
GM Notes: Order by Description.
Description: Without atc. 2023-25, wt, custom, custom tb, without dual-zone, without rear defogger, labeled 84542732. 2019-22 2023-25, WT, CUSTOM, CUSTOM TB. without dual-zone, without rear defogger labeled 84499502. Silverado 2500 HD. Without rear window defogger. Silverado 3500 HD. 2020-23 2024-25, WT, CUSTOM. without dual-zone, without heated seats labeled 84542732. 2020-23 2024, WORK TRUCK. without dual-zone, without heated seats labeled 84542732.
Acdelco™ HVAC Temperature Control Panel GM
GM Notes: Order by Description.
Description: Silverado. Without atc. Without power mirrors. 2019-22 2023-25, WT, CUSTOM, CUSTOM TB. without dual-zone, without rear defogger labeled 84499498. 2020-23 2024-25, WT, CUSTOM. without dual-zone, without heated seats labeled 84542733. 2020-23 2024, WORK TRUCK. without dual-zone, without heated seats labeled 84542733.
Acdelco™ Dash Control Unit GM
GM Notes: Order by Description.
Description: Without atc. 2019-22 2023-25, WT, CUSTOM, CUSTOM TB. without dual-zone, with rear defogger labeled 84542734. Silverado 2500 HD. With rear window defogger. Without seat heater. Silverado 3500 HD. 2024, work truck, without dual-zone, with heated seats, witho ...