Heater for 2021 Chevrolet Trailblazer
No.
Part # / Description / Price
Price
1
Case Assembly 
GM
GM Description: Encore GX. Semiautomatic. Without reinforced heat. Trailblazer. Without electric defroster. Single zone, without aux heater.
HVAC Unit Case.
HVAC Unit Case.
MSRP $167.56
$103.89
MSRP $167.56
$103.89
1
F (S)Case GM
GM Description: Encore GX. Without automatic. With reinforced heat. Trailblazer. With electric defroster. Single zone, with aux heater.
MSRP $183.78
$113.94
MSRP $183.78
$113.94
2
Heater and Air Conditioning Evaporator and Blower Module Seal Kit GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $71.32
$44.93
MSRP $71.32
$44.93
3
Air Inlet Valve Actuator GM
GM Description: Inlet valve. Restore air inlet door operation caused by worn actuator
HVAC Air Inlet Door Actuator.
HVAC Air Inlet Door Actuator.
MSRP $30.84
$19.89
MSRP $30.84
$19.89
4
Mode Valve Actuator GM
GM Description: Mode valve. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $29.54
$19.05
MSRP $29.54
$19.05
6
Air Conditioning Evaporator and Blower Case GM
GM Description: 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 $111.88
$69.37
MSRP $111.88
$69.37
7
Air Inlet GM
GM Notes: PARTS: Part included with blower case.
Description:
HVAC Air Inlet Housing.
HVAC Air Inlet Housing.
MSRP $104.42
$64.74
MSRP $104.42
$64.74
8
Upper Case GM
GM Notes: PARTS: Part included with blower case.
Description:
HVAC Blower Motor Cover.
HVAC Blower Motor Cover.
MSRP $17.52
$11.30
MSRP $17.52
$11.30
9
Lower Case GM
GM Notes: PARTS: Part included with blower case.
Description:
HVAC Blower Motor Cover.
HVAC Blower Motor Cover.
MSRP $17.10
$11.03
MSRP $17.10
$11.03
10
Driver Side Blower Motor GM
GM Description: Permanently lubricated, self-aligning bearings designed for long life and dependable performance
MSRP $194.24
$120.43
MSRP $194.24
$120.43
11
MSRP $83.56
$52.64
12
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
Cabin Air Filter.
Cabin Air Filter.
MSRP $55.78
$35.14
MSRP $55.78
$35.14
13
Passenger Compartment Air Filter Housing Cover GM
GM Description:
Cabin Air Filter Cover.
Cabin Air Filter Cover.
MSRP $9.40
$6.06
MSRP $9.40
$6.06
14
Air Conditioning Wiring Harness GM
GM Description: Single zone.
HVAC System Wiring Harness.
HVAC System Wiring Harness.
MSRP $69.98
$44.09
MSRP $69.98
$44.09
15
15
Heater Core GM
GM Description: Front. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
HVAC Heater Core Heater Element.
HVAC Heater Core Heater Element.
MSRP $301.92
$187.19
MSRP $301.92
$187.19
16
MSRP $13.77
$10.13
17
MSRP $17.14
$12.60
18
Air Conditioning Evaporator Kit GM
GM Description: Vacuum-brazed, corrosion-treated, and leak-tested to help provide trouble-free operation
Manufactured to GM OE specification for fit, form, and function
A/C Evaporator Core.
A/C Evaporator Core.
MSRP $206.86
$128.25
MSRP $206.86
$128.25
19
MSRP $9.74
$6.28
20
Air Conditioning Evaporator Thermal Expansion Valve GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
A/C Expansion Valve.
A/C Expansion Valve.
MSRP $110.00
$68.20
MSRP $110.00
$68.20
21
Air Conditioning Evaporator Thermal Expansion Valve Seal GM
GM Notes: PARTS: Part included with expansion valve.
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
A/C Expansion Valve Seal Kit.
A/C Expansion Valve Seal Kit.
MSRP $8.36
$5.39
MSRP $8.36
$5.39
22
Heater Core GM
GM Description: Long-life alloys provide corrosion resistance
High-strength brazed joints ensure durability
HVAC Heater Core.
HVAC Heater Core.
MSRP $102.70
$63.67
MSRP $102.70
$63.67
23
MSRP $4.38
$2.83
24
Duct Air Temperature Sensor GM
GM Description: Air duct. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $13.51
$8.71
MSRP $13.51
$8.71
25
Air Conditioning Evaporator Air Temperature Sensor GM
GM Description: Evaporator. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $16.04
$10.35
MSRP $16.04
$10.35
26
Water Deflector GM
GM Description:
Plastic sheet or panel used underneath the door trim panel to prevent water intrusion.
Plastic sheet or panel used underneath the door trim panel to prevent water intrusion.
MSRP $12.49
$9.18
MSRP $12.49
$9.18
27
Dash Panel Hole Seal GM
GM Description: Helps prevent contaminants from entering HVAC system
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
.
Collision parts are designed to help promote proper and safe repair
MSRP $11.21
$8.71
MSRP $11.21
$8.71
Related Parts
Part # / Description / Price
Price
Inlet Hose GM
GM Description: Trailblazer. Trax. Heater water aux pump hose. Inlet. Envista. Htr wat aux pump hose. 1.2L turbo, front.
MSRP $21.84
$14.09
MSRP $21.84
$14.09
Outlet Hose GM
GM Description: Trailblazer. Trax. Heater water aux pump hose. Outlet. Envista. Htr wat aux pump hose. 1.2L turbo, front.
MSRP $20.80
$13.42
MSRP $20.80
$13.42
Heater Inlet Hose GM
GM Description: Trailblazer. Encore GX. Heater. Inlet. 1.2L turbo, rear.
MSRP $38.34
$24.73
MSRP $38.34
$24.73
Heater Outlet Hose GM
GM Description: 1.2L, rear. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $57.12
$35.99
MSRP $57.12
$35.99