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Replacement and OEM Parts for 2003 Chevrolet Trailblazer EXT Ignition, Distributors & ECM

2003 Chevrolet Trailblazer EXT Ignition, Distributors & ECM

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2003 Chevrolet Trailblazer EXT
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Engine & Drivetrain

38 products about 2003 Chevrolet Trailblazer EXT Ignition, Distributors & ECM found

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  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Knock Sensor

    PartNumber: 12589867
    OEM 2003 Chevrolet Trailblazer EXT Knock Sensor - 12589867
    Product Specifications
    • Notes: All Models; 5.3l
    • Other Names: Knock Sensor
    • Item Dimensions: 2.8 x 2.8 x 2.3 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10456603
    • Part Description: 2003 Chevrolet Trailblazer EXT Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
    $69.45 MSRP: $131.06
    You Save: $61.61 (48%)
  • Dorman Ignition Lock Housing for 2003 Chevrolet Trailblazer EXT - 924-713

    Dorman® Ignition Lock Housing for 2003 Chevrolet Trailblazer EXT

    PartNumber: 924-713
    Product Specifications
    • Notes: Exc. Security System
    • Ignition Switch Included: Not Required
    • Installation Hardware Included: Not Required
    • Item Grade: Standard Replacement
    • Keys Included: No
    • Lock Cylinder/Key Included: No Lock Cylinder/Key Required
    • Material: Metal
    • OE Part Number: 88965342
    • Universal Or Specific Fit: Specific Fit
    • UPC: 019495353959
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Lock Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | All Engines
    $73.03
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Ignition Coil

    PartNumber: 10457730
    OEM 2003 Chevrolet Trailblazer EXT Ignition Coil - 10457730
    Product Specifications
    • Other Names: Ignition Coil
    • Item Dimensions: 4.1 x 3.1 x 3.2 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418992
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
    $83.34 MSRP: $132.34
    You Save: $49.00 (38%)
  • Delphi Ignition Coil for 2003 Chevrolet Trailblazer EXT - GN10114

    Delphi® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: GN10114
    Product Specifications
    • Notes: with Spring;with Boot
    • Terminal Gender: Male
    • Terminal Quantity: 3
    • Terminal Type: Blade
    • UPC: 689604125717
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $48.31
  • Cardone Reman Remanufactured Engine Control Computer for 2003 Chevrolet Trailblazer EXT - 77-2605F

    Cardone Reman® Remanufactured Engine Control Computer for 2003 Chevrolet Trailblazer EXT

    PartNumber: 77-2605F
    Product Specifications
    • Notes: with OE # 12582605;Vehicle specific Flash programming req'd ON or OFF the vehicle.Accurate VIN & mileage are req'd. Additional vehicle specific on-car programming must be performed AFTER installation to prevent drivability & starting issues.
    • Connector/Terminal Configuration: Pin/Male; Pin/Male
    • E-Waste: Yes
    • Housing Material: Metal
    • Product Condition: Remanufactured
    • Removable PROM: No
    • Terminal Quantity: 80, 80
    • Part Description: 2003 Chevrolet Trailblazer EXT Remanufactured Engine Control Computer
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $137.79
  • Spectra Premium Ignition Coil Set for 2003 Chevrolet Trailblazer EXT - C642M6

    Spectra Premium® Ignition Coil Set for 2003 Chevrolet Trailblazer EXT

    PartNumber: C642M6
    Product Specifications
    • Notes: Coil On Plug; Multipack: 6 Units
    • Connector Gender: Female
    • Finish: Black, Silver
    • Height: 6.259"
    • Length: 6.250"
    • Quantity: 6
    • Terminal Gender: Male
    • Terminal Quantity: 3
    • Terminal Type: Blade
    • UPC: 627785024030
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil Set
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $163.77
  • Dorman Ignition Lock Cylinder for 2003 Chevrolet Trailblazer EXT - 926-059

    Dorman® Ignition Lock Cylinder for 2003 Chevrolet Trailblazer EXT

    PartNumber: 926-059
    Product Specifications
    • Notes: Winged Type; wo/RPO Code BAE (Security System)
    • Finish: Silver
    • Housing Material: Metal
    • Key Programmable: No
    • Key Quantity: 2
    • Keys Included: Yes
    • Lock Material: Metal
    • Mounting Hardware Included: No
    • UPC: 037495918725
    • Wiring Harness Included: No
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Lock Cylinder
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | All Engines
    $35.22
  • Delphi Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT - AS10017

    Delphi® Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT

    PartNumber: AS10017
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Round
    • Mounting Hardware Included: No
    • Mounting Type: Threaded Nut
    • Terminal Gender: Female
    • Terminal Quantity: 1
    • Terminal Type: Pin
    • UPC: 689604102961
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $44.94
  • Cardone Reman Remanufactured Powertrain Control Module for 2003 Chevrolet Trailblazer EXT - 77-4976F

    Cardone Reman® Remanufactured Powertrain Control Module for 2003 Chevrolet Trailblazer EXT

    PartNumber: 77-4976F
    Product Specifications
    • Notes: with OE # 12574976;Vehicle specific Flash programming req'd ON or OFF the vehicle.Accurate VIN & mileage are req'd. Additional vehicle specific on-car programming must be performed AFTER installation to prevent drivability & starting issues.
    • Connector/Terminal Configuration: Pin/Male; Pin/Male; Pin/Male
    • E-Waste: Yes
    • Housing Material: Metal
    • Product Condition: Remanufactured
    • Part Description: 2003 Chevrolet Trailblazer EXT Remanufactured Powertrain Control Module
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $220.86
  • Walker Products Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT - 242-1053

    Walker Products® Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT

    PartNumber: 242-1053
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Oblong
    • Mounting Hardware Included: Yes
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • Terminal Type: Blade
    • UPC: 724620077036
    • Wiring Harness Included: No
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $42.81
  • Dorman Ignition Knock Sensor Connector for 2003 Chevrolet Trailblazer EXT - 917-033

    Dorman® Ignition Knock Sensor Connector for 2003 Chevrolet Trailblazer EXT

    PartNumber: 917-033
    Product Specifications
    • Notes: 1 Connector at Eng Harness, 2 Connectors for Sensors including 2 Grommets
    • Connector Length: 24.5", 33.5"
    • Connector Material: Copper
    • Connector Shape: Oval
    • Connector Type: Fork
    • Gauge: 18 Awg
    • OE Part Number: 12601822
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • Terminal Type: Blade
    • UPC: 019495273837
    • Water Resistant: Yes
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Knock Sensor Connector
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $24.02
  • Spectra Premium Ignition Coil for 2003 Chevrolet Trailblazer EXT - C-642

    Spectra Premium® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: C-642
    Product Specifications
    • Notes: Coil On Plug; Single Unit
    • Bracket: No
    • Connector Gender: Female
    • Finish: Black, Silver
    • Height: 6.259"
    • Length: 6.250"
    • Terminal Gender: Male
    • Terminal Quantity: 3
    • Terminal Type: Blade
    • UPC: 874183008128
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $36.16
  • Delphi Ignition Coil for 2003 Chevrolet Trailblazer EXT - GN10119

    Delphi® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: GN10119
    Product Specifications
    • Notes: Round Type;Delphi;Actual OE Part; Delphi Ignition
    • Terminal Gender: Male
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604125861
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $41.21
  • Dorman Ignition Starter Switch for 2003 Chevrolet Trailblazer EXT - 924-715

    Dorman® Ignition Starter Switch for 2003 Chevrolet Trailblazer EXT

    PartNumber: 924-715
    Product Specifications
    • Finish: Black
    • Key Programmable: No
    • Keys: No
    • Mounting Type: Snaps-in Place
    • OE Part Number: 12450251, 15242754, D1426D
    • Terminal Gender: Female
    • Terminal Quantity: 7
    • Tumbler: No
    • UPC: 019495353973
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Starter Switch
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | All Engines
    $18.55
  • Walker Products Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT - 242-1039

    Walker Products® Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT

    PartNumber: 242-1039
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Round
    • Length: 54.48 mm
    • Mounting Hardware Included: No
    • OE Part Number: 10456031
    • Terminal Gender: Male
    • Terminal Quantity: 1
    • Terminal Type: Bullet
    • Threaded End Diameter: 10 mm
    • UPC: 724620074653
    • Wiring Harness Included: No
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $35.42
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Knock Sensor

    PartNumber: 12567446
    OEM 2003 Chevrolet Trailblazer EXT Knock Sensor - 12567446
    Product Specifications
    • Notes: All Models; 4.2l
    • Other Names: Knock Sensor
    • Item Dimensions: 2.7 x 2.3 x 1.3 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Trailblazer EXT Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS
    $25.80 MSRP: $48.68
    You Save: $22.88 (48%)
  • Spectra Premium Ignition Coil for 2003 Chevrolet Trailblazer EXT - C-561

    Spectra Premium® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: C-561
    Product Specifications
    • Notes: Coil On Plug; Square Coil
    • Coil Shape: Square
    • Connector Gender: Male
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 874183004588
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $24.40
  • Delphi Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT - AS10260

    Delphi® Ignition Knock Sensor for 2003 Chevrolet Trailblazer EXT

    PartNumber: AS10260
    Product Specifications
    • Connector Gender: Male
    • Connector Quantity: 1
    • Connector Shape: Rectangle
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • UPC: 689604304228
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $19.90
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Lock Cylinder

    PartNumber: 15789012
    OEM 2003 Chevrolet Trailblazer EXT Lock Cylinder - 15789012
    Product Specifications
    • Other Names: Ignition Lock Cylinder, Lock Cylinder
    • Item Dimensions: 8.2 x 8.3 x 1.7 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 88954645
    • Part Description: 2003 Chevrolet Trailblazer EXT Lock Cylinder
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
    $44.21 MSRP: $70.21
    You Save: $26.00 (38%)
  • Walker Products Ignition Coil for 2003 Chevrolet Trailblazer EXT - 921-2003

    Walker Products® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: 921-2003
    Product Specifications
    • Connector Gender: Female
    • Ignition Type: Distributorless
    • Oil Filled: No
    • Requires External Resistor: No
    • Terminal Gender: Male
    • Terminal Quantity: 3
    • Terminal Type: Spade
    • UPC: 724620055126
    • Voltage: 12 Volts
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $33.17
  • Spectra Premium Ignition Coil for 2003 Chevrolet Trailblazer EXT - C-593

    Spectra Premium® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: C-593
    Product Specifications
    • Notes: Coil On Plug; Round Coil
    • Coil Shape: Round
    • Connector Gender: Male
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 874183005165
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $18.69
  • Walker Products Ignition Coil Boot for 2003 Chevrolet Trailblazer EXT - 900-P2038

    Walker Products® Ignition Coil Boot for 2003 Chevrolet Trailblazer EXT

    PartNumber: 900-P2038
    Product Specifications
    • UPC: 724620047442
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil Boot
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L
    $2.78
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Lock Cylinder

    PartNumber: 15789011
    OEM 2003 Chevrolet Trailblazer EXT Lock Cylinder - 15789011
    Product Specifications
    • Notes: Bravada/Envoy/Trailblazer; W/Security System
    • Other Names: Ignition Lock Cylinder, Lock Cylinder
    • Item Dimensions: 3.7 x 2.1 x 0.8 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Trailblazer EXT Lock Cylinder
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
    $62.89 MSRP: $99.86
    You Save: $36.97 (38%)
  • Walker Products Ignition Coil for 2003 Chevrolet Trailblazer EXT - 920-1020

    Walker Products® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: 920-1020
    Product Specifications
    • Connector Gender: Male
    • Ignition Type: Electronic
    • Oil Filled: No
    • Requires External Resistor: No
    • Terminal Gender: Male
    • Terminal Quantity: 4
    • Terminal Type: Spade
    • UPC: 724620078323
    • Voltage: 12 Volts
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
    $24.86
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Ignition Module

    PartNumber: 19418994
    OEM 2003 Chevrolet Trailblazer EXT Ignition Module - 19418994
    Product Specifications
    • Notes: 4.2 Liter; All Models; 4.2l
    • Other Names: Ignition Coil, Ignition Module
    • Fitment Type: Direct Replacement
    • Replaces: 19300921, 12568062
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Module
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS
    $147.78 MSRP: $278.84
    You Save: $131.06 (48%)
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Ignition Module

    PartNumber: 19418994
    OEM 2003 Chevrolet Trailblazer EXT Ignition Module - 19418994
    Product Specifications
    • Notes: 4.2 Liter; All Models; 4.2l
    • Other Names: Ignition Coil, Ignition Module
    • Fitment Type: Direct Replacement
    • Replaces: 19300921, 12568062
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Module
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS
    $147.78 MSRP: $278.84
    You Save: $131.06 (48%)
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT Ignition Coil Spring

    PartNumber: 88894174
    OEM 2003 Chevrolet Trailblazer EXT Ignition Coil Spring - 88894174
    Product Specifications
    • Notes: 4.2 Liter
    • Other Names: Boot, Ignition Coil Spring
    • Item Dimensions: 3.6 x 2.0 x 1.7 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil Spring
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 6 Cyl 4.2 L GAS
    $17.85 MSRP: $35.97
    You Save: $18.12 (51%)
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT PCM

    PartNumber: 12581565
    OEM 2003 Chevrolet Trailblazer EXT PCM - 12581565
    Product Specifications
    • Notes: 2003-05, 5.3 Liter; All Models; 5.3l
    • Other Names: ECM, PCM
    • Item Dimensions: 9.2 x 4.2 x 12.2 inches
    • Item Weight: 4.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 89017733
    • Part Description: 2003 Chevrolet Trailblazer EXT PCM
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
  • OEM (Genuine) 2003 Chevrolet Trailblazer EXT PCM

    PartNumber: 12581565
    OEM 2003 Chevrolet Trailblazer EXT PCM - 12581565
    Product Specifications
    • Notes: 2003-05, 5.3 Liter; All Models; 5.3l
    • Other Names: ECM, PCM
    • Item Dimensions: 9.2 x 4.2 x 12.2 inches
    • Item Weight: 4.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 89017733
    • Part Description: 2003 Chevrolet Trailblazer EXT PCM
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | LS, LT, North Face | 8 Cyl 5.3 L GAS
  • Denso Ignition Coil for 2003 Chevrolet Trailblazer EXT - 673-7101

    Denso® Ignition Coil for 2003 Chevrolet Trailblazer EXT

    PartNumber: 673-7101
    Product Specifications
    • Notes: OE Part
    • Color: Black
    • Tower Gender: Female
    • Tower Quantity: 1
    • UPC: 042511194533
    • Voltage: 12
    • Part Description: 2003 Chevrolet Trailblazer EXT Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Trailblazer EXT | All Trims | 8 Cyl 5.3L
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