38 products about 2003 Chevrolet Trailblazer EXT Ignition, Distributors & ECM foundVEHICLE SPECIFIC 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
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Check Fit Add to CartVEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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
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Check Fit Add to CartVEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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
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Check Fit Add to CartVEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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
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Check Fit Add to CartVEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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
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Check Fit Add to CartVEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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
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Check Fit Add to CartVEHICLE SPECIFIC 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%)
Check Fit Add to CartVEHICLE SPECIFIC 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
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Check Fit Add to CartVEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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 VEHICLE SPECIFIC 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