Wire, Cable & Related Components for 2025 Chevrolet Trailblazer
No.
Part # / Description / Price
Price
1
AC & Heater Case 
GM
GM Description: The GM OEM AC & Heater Case (MPN: 42852765) is a genuine climate control component designed for efficient heating and air conditioning distribution in select GM vehicles including the Trailblazer and Encore GX. This authentic General Motors part manages re ...
MSRP $200.37
$109.70
MSRP $200.37
$109.70
1
Case Assembly GM
GM Description: Genuine GM OEM Case Assembly MPN 42852764 is a factory-original heating and defrosting component designed for select Chevrolet Trailblazer and Buick Encore GX models. This auxiliary heater case assembly features an integrated electric defroster and reinfor ...
MSRP $200.37
$109.70
MSRP $200.37
$109.70
2
Heater and Air Conditioning Evaporator and Blower Module Seal Kit GM
GM Description: The GM OEM Heater and Air Conditioning Evaporator and Blower Module Seal Kit (MPN: 42747632) is an authentic General Motors replacement component engineered to maintain proper airflow and thermal efficiency in your vehicle's climate control system. This ge ...
MSRP $71.32
$40.62
MSRP $71.32
$40.62
3
Air Inlet Valve Actuator GM
GM Description: # Product Description
The GM OEM Air Inlet Valve Actuator (MPN: 42677687) is an essential component that controls the air inlet door mechanism in your vehicle's intake system. This genuine General Motors part restores proper airflow regulation when the or ...
MSRP $31.62
$18.85
MSRP $31.62
$18.85
4
Mode Valve Actuator GM
GM Description: The GM Mode Valve Actuator (MPN: 42677759) is a genuine OEM component engineered to regulate heating and air conditioning modes across select GM vehicles. This authentic General Motors part controls the blend door actuator function, ensuring precise climat ...
MSRP $30.28
$18.05
MSRP $30.28
$18.05
6
Air Conditioning Evaporator and Blower Case GM
GM Description: The GM OEM Air Conditioning Evaporator and Blower Case (MPN: 42748446) is a genuine factory-engineered component that regulates cabin temperature and air distribution in select GM vehicles. This authentic General Motors replacement part integrates seamless ...
MSRP $114.68
$63.53
MSRP $114.68
$63.53
8
Upper Case GM
GM Notes: PARTS: Part included with blower case.
Description: Upgrade your transmission with the Genuine GM OEM Upper Case (MPN: 42727371), an authentic General Motors replacement part engineered for reliable performance in select GM vehicles. This upper case assembly serves as a critical structural and functional co ...
MSRP $17.96
$10.70
MSRP $17.96
$10.70
9
Lower Case GM
GM Notes: PARTS: Part included with blower case.
Description: # Product Description
The Genuine GM OEM Lower Case (MPN: 42737330) is an authentic General Motors replacement part engineered for select GM vehicles requiring reliable engine block or transmission housing protection. This critical component delivers OEM- ...
MSRP $17.52
$10.44
MSRP $17.52
$10.44
10
Driver Side Blower Motor GM
GM Description: The Driver Side Blower Motor (MPN: 42737329) is a genuine GM OEM replacement part engineered to restore climate control functionality in select GM vehicles. This original equipment manufacturer blower motor delivers reliable heating and air conditioning pe ...
MSRP $199.10
$110.30
MSRP $199.10
$110.30
11
Control Module GM
GM Description: # Control Module - GM OEM Part #42761444
This genuine GM OEM Control Module (MPN: 42761444) is a critical engine management component designed for select Chevrolet and GMC vehicles including the Encore GX, Trailblazer, Trax, and Envista models. This facto ...
MSRP $85.64
$48.77
MSRP $85.64
$48.77
12
Cabin Air Filter GM
GM Description: The GM OEM Cabin Air Filter (MPN: 13508023) is a genuine replacement filter designed to maintain cabin air quality by trapping dust, pollen, and contaminants before they enter your vehicle's interior. This authentic General Motors part features advanced mu ...
MSRP $57.18
$32.56
MSRP $57.18
$32.56
13
Filter Cover GM
GM Description: The Genuine GM OEM Filter Cover (MPN: 42677686) is an authentic General Motors replacement part designed to protect and secure your vehicle's filtration system. This factory-original filter cover ensures proper engine performance and airflow management acr ...
MSRP $9.64
$5.75
MSRP $9.64
$5.75
14
Harness GM
GM Description: The GM OEM Harness (MPN: 42852766) is a genuine factory electrical assembly designed for select GM vehicles requiring non-automatic temperature control configurations. This authentic General Motors part ensures reliable wiring connections and proper functi ...
MSRP $77.93
$44.38
MSRP $77.93
$44.38
15
Heater Core GM
GM Description: # SEO-Optimized Product Description
The GM OEM Heater Core (MPN: 13514602) is a genuine front heater core designed for select General Motors vehicles, delivering efficient cabin heating and defrosting performance. This authentic GM replacement part mainta ...
MSRP $309.46
$169.43
MSRP $309.46
$169.43
16
Evaporator Case GM
GM Description: The Genuine GM OEM Evaporator Case Upper (MPN: 42834277) is an authentic General Motors air conditioning component designed to house and regulate refrigerant flow in your vehicle's climate control system. This factory-original part ensures optimal cooling ...
MSRP $18.93
$11.29
MSRP $18.93
$11.29
17
Evaporator Case GM
GM Description: The GM OEM Evaporator Case (Lower) – MPN 42852760 – is an authentic General Motors air conditioning component designed to regulate refrigerant flow and maintain cabin climate control on select GM vehicles. This genuine factory-direct evaporator case en ...
MSRP $23.48
$13.99
MSRP $23.48
$13.99
18
Evaporator Core GM
GM Description: Genuine GM OEM Evaporator Core (MPN: 42834283) is engineered to regulate cabin temperature by cooling and dehumidifying air in your vehicle's air conditioning system. This factory-original part is designed for select GM vehicles including Trailblazer and E ...
MSRP $190.67
$105.63
MSRP $190.67
$105.63
19
Evaporator Core Lower Seal GM
GM Description: The Genuine GM OEM Evaporator Core Lower Seal (MPN: 42811384) is an essential air conditioning component designed to prevent refrigerant leaks and maintain system efficiency across select GM vehicles. This direct replacement part ensures proper sealing of ...
MSRP $25.20
$15.02
MSRP $25.20
$15.02
20
A/C Expansion Valve GM
GM Description: # GM OEM A/C Expansion Valve (MPN: 42922817)
GM OEM A/C Expansion Valve part number 42922817 is a second-design thermal expansion valve engineered to regulate refrigerant flow and maintain optimal air conditioning performance in select GM vehicles. This g ...
MSRP $58.02
$33.04
MSRP $58.02
$33.04
21
Air Conditioning Evaporator Thermal Expansion Valve Seal GM
GM Notes: PARTS: Part included with expansion valve.
Description: This Genuine GM OEM Air Conditioning Evaporator Thermal Expansion Valve Seal (MPN: 42699688) is engineered to regulate refrigerant flow and maintain optimal cooling performance in your vehicle's AC system. Designed and tested to General Motors' exacting st ...
MSRP $8.56
$5.10
MSRP $8.56
$5.10
22
Heater Core GM
GM Description: # Heater Core Description
Genuine GM OEM Heater Core (MPN: 42677734) is engineered to deliver reliable cabin heating performance across select GM vehicles. This original equipment manufacturer part features advanced long-life alloy construction that resis ...
MSRP $105.26
$58.31
MSRP $105.26
$58.31
23
Heater Core Cover GM
GM Description: The Genuine GM OEM Heater Core Cover (MPN: 42677735) is an authentic General Motors replacement part designed to protect and seal your vehicle's heater core assembly. This essential HVAC component directs coolant flow and maintains cabin heating efficiency ...
MSRP $4.48
$2.67
MSRP $4.48
$2.67
25
Air Conditioning Evaporator Air Temperature Sensor GM
GM Description: Upgrade your vehicle's climate control system with the genuine GM OEM Air Conditioning Evaporator Air Temperature Sensor (MPN: 84228770), engineered for precise temperature monitoring and optimal AC performance. This authentic General Motors part is specif ...
MSRP $60.56
$34.49
MSRP $60.56
$34.49
27
Dash Panel Hole Seal GM
GM Description: The GM Dash Panel Hole Seal (MPN: 60004746) is a genuine OEM component engineered to seal openings in your vehicle's dashboard and protect your HVAC system from dust, debris, and other contaminants. This essential collision and climate control part is desi ...
MSRP $11.49
$8.25
MSRP $11.49
$8.25