2003 Chevrolet Trailblazer EXT Heating & Cooling

  • 2003 Chevrolet GMC Buick Cadillac Olds Temperature Blend Door Actuator DIY Solutions

    $35.95
    15
    Save 25%
    List: $47.95 Save: $12.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1AHCX00282

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT with Automatic Air Conditioning Heater & A/C Control

    $194.95
    6
    Save 30%
    List: $276.95 Save: $82.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: DMHCI00002

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT with Automatic Temperature Control Blower Motor Module

    $55.95
    46
    Save 14%
    List: $64.95 Save: $9.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    • Includes: Wiring Harness
    • Part #: 1AHBR00100

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT with Manual Temperature Control Blower Motor Resistor

    $31.95
    13
    Save 11%
    List: $35.95 Save: $4.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1AHBR00016

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT L6 4.2L A/C Condenser

    $69.95
    Save 35%
    List: $107.95 Save: $38.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    • Part #: 1AACC00087

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT with Manual Heater & Air Conditioning Control Front or Rear Heater & A/C Control

    $179.95
    5
    Save 28%
    List: $248.95 Save: $69.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1AHCI00004

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT with Manual Temperature Control Front HVAC Blower Motor Kit

    $69.95

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    • Kit Includes: (1) Heater Blower Motor
    • Kit Includes: (1) Heater Blower Motor Resistor
    • Part #: 1AHCK00083

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT Front Heater Blower Motor with Fan Cage

    $59.95
    8
    Save 23%
    List: $77.95 Save: $18.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1AHCX00074

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT L6 4.2L Radiator Fan Shroud

    $59.95
    2
    Save 25%
    List: $79.95 Save: $20.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1ARFS00018

    IN STOCK

  • 2003 Chevrolet GMC Buick Olds Saab Door Actuator DIY Solutions

    $32.95
    1
    Save 30%
    List: $46.95 Save: $14.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1AZMX00104

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT V8 5.3L (8th Vin Digit P) Thermostat with Housing Assembly

    $51.95
    3
    Save 15%
    List: $60.95 Save: $9.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    • Part #: 1AEMX00299

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT A/C Service Valve

    $21.95
    Save 27%
    List: $29.95 Save: $8.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1AACD00003

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT A/C Schrader Valve

    $21.95
    Save 31%
    List: $31.95 Save: $10.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: DMACA00002

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT with Manual Air Conditioning Air Inlet Door Actuator

    $61.95
    1
    Save 21%
    List: $77.95 Save: $16.00

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    Part #: 1AZMX00072

    IN STOCK

  • 2003 Chevrolet Trailblazer EXT with Automatic Temperature Control Front HVAC Blower Motor Kit

    $84.95
    1

    Guaranteed to Fit

    2003 Chevrolet Trailblazer EXT

    • Kit Includes: (1) Heater Blower Motor
    • Kit Includes: (1) Heater Blower Motor Resistor
    • Includes: Wiring Harness
    • Part #: 1AHCK00084

    IN STOCK

Chevrolet is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by Chevrolet or General Motors Company. See all trademarks.


Same Day Shipping

Orders ship same day when ordered by 2pm ET. Need your part faster? Choose expedited shipping at checkout.


Guaranteed To Fit

Providing you the highest quality, direct fit replacement auto parts enforced to the strictest product standards.


USA Customer Support

Exceeding customers' expectations every day, our team of passionate auto enthusiasts are here to help.


Instructional Video Library

Thousands of how-to auto repair videos specific to year, make and model guide you step-by-step through your repair.

Go To Top
Loading...