2003 Chevrolet Trailblazer HVAC Case

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2003 Chevrolet Trailblazer

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6 Cyl 4.2 L GAS

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6 Cyl 4.2 L GAS

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Diagram (1 of 1): Air Conditioner & Heater - Evaporator & Heater Components

2003 Chevy Trailblazer HVAC Case Diagram

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Ref No.

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

1
89018761
Upper Case
Case, Air Conditioner Evaporator
- Part Notes: 4.2 Liter, Front

3
89018763
Heater Case
Case, Heater Core
- Part Notes: 4.2 Liter, Front

5
52484902
Heater Case Lower Seal
Seal, Heater Core
- Part Notes: 4.2 Liter, Front

6
52498633
Heater Core
Core, Heater
- Part Notes: 4.2 Liter, Front

7
52493057
Heater Core O-Ring
Seal, Heater Core
- Part Notes: 4.2 Liter, Front
MSRP: $8.86 Your Price: $4.90
1
Add To Cart

8
52477087
Heater Core Seal
Seal, A/C Evaporator Tube
- Part Notes: 4.2 Liter, Front
- Replaced By: 13579649
MSRP: $20.92 Your Price: $11.14
1
Add To Cart

9
52468108
Heater Core Clip
Clip, Heater Core
- Part Notes: 4.2 Liter, Front
MSRP: $15.58 Your Price: $9.95
1
Add To Cart

10
52493058
Heater Core Lower Seal
Seal, Heater Core Cover
- Part Notes: 4.2 Liter, Front
MSRP: $9.44 Your Price: $5.03
1
Add To Cart

11
52494943
Heater Core Upper Seal
Seal, Auxiliary Heater
- Part Notes: 4.2 Liter, Front

12
52484969
Side Seal
Seal, Auxiliary Heater
- Part Notes: 4.2 Liter, Front

13
89019026
Evaporator Core
Evaporator Kit, Air Conditioner Evaporator
- Part Notes: 4.2 Liter, Front
MSRP: $399.18 Your Price: $194.25
1
Add To Cart

14
52491781
Evaporator Core Seal
Seal, A/C Evaporator
- Part Notes: 4.2 Liter, Front

15
52489406
End Seal
Seal, A/C Evaporator
- Part Notes: 4.2 Liter, Front

16
52489411
End Cover
Cover, Air Conditioner Evaporator
- Part Notes: 4.2 Liter, Front

17
52484807
Filter
Filter, Air Conditioner Evaporator
- Part Notes: 4.2 Liter, Front
MSRP: $158.52 Your Price: $30.36
1
Add To Cart

18
89040310
Evaporator Case
Case, Air Conditioner Evaporator
- Part Notes: 4.2 Liter, Front

19
52489420
Inner Cover
Case, Blower
- Part Notes: 4.2 Liter, Front
MSRP: $255.14 Your Price: $115.61
1
Add To Cart

20
89019243
Inner Cover Inner Seal
Seal Kit, A/C Compressor & Condenser Hose Manifold
- Part Notes: 4.2 Liter, Front

21
52484800
Inner Cover Outer Seal
Seal, Windshield Defroster
- Part Notes: 4.2 Liter, Front

22
52489416
Case
Case, Air Distributor
- Part Notes: 4.2 Liter, Front

23
89018652
Case Seal
Seal, Air Distributor
- Part Notes: 4.2 Liter, Front

24
52489417
Air Valve
Valve, Air Inlet
- Part Notes: 4.2 Liter, Front, Inlet

25
52489422
Air Valve
Valve, Air Distributor
- Part Notes: 4.2 Liter, Front, Defroster

26
89018440
Air Valve
Valve, Air Distributor
- Part Notes: 4.2 Liter, Front, Mode

27
89040309
Air Valve
Valve, Temperature
- Part Notes: 4.2 Liter, Front, Temp, Master

28
52497685
Air Valve
Valve, Temperature Control
- Part Notes: 4.2 Liter, Front, Temp, Slave

29
89018365
Actuator
Actuator, Air Conditioner Control
- Part Notes: 4.2 Liter, Front, Inlet
MSRP: $356.04 Your Price: $173.26
1
Add To Cart

30
89018375
Actuator
Actuator, Air Conditioner Control
- Part Notes: 4.2 Liter, Front, Defroster
MSRP: $256.14 Your Price: $124.63
1
Add To Cart

31
89018375
Actuator
Actuator, Air Conditioner Control
- Part Notes: 4.2 Liter, Front, Mode
MSRP: $256.14 Your Price: $124.63
1
Add To Cart

32
89018678
Actuator
Actuator, Air Conditioner Control
- Part Notes: 4.2 Liter, Front, Temp
- Location: Passenger Side
MSRP: $116.00 Your Price: $56.45
1
Add To Cart

33
89018676
Actuator
Actuator, Air Conditioner Control
- Part Notes: 4.2 Liter, Front, Temp
- Location: Driver Side
MSRP: $98.88 Your Price: $52.65
1
Add To Cart