39 products about 2004 GMC Sierra 2500 HD Ignition, Distributors & ECM foundVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.8l, 5.3l, 6.0l 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: 2004 GMC Sierra 2500 HD Knock Sensor More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS $67.63 MSRP: $127.62
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications 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: 2004 GMC Sierra 2500 HD Ignition Lock Housing More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | 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: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS $81.15 MSRP: $128.87
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Check Fit Add to CartVEHICLE 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: 2004 GMC Sierra 2500 HD Ignition Knock Sensor More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 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: 2004 GMC Sierra 2500 HD Ignition Knock Sensor More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: with OE # 12586242;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: 2004 GMC Sierra 2500 HD Remanufactured Engine Control Computer More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE 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: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L Show More VEHICLE SPECIFIC Product Specifications Notes: wo/Winged Bezel Coding: Coded Finish: Black Housing Material: Metal Installation Hardware Included: No Key Programmable: No Key Quantity: 2 Mounting Hardware Included: No OE Part Number: 15298923, 88956844 UPC: 019495354079 Winged Bezel: No Wiring Harness Included: No Part Description: 2004 GMC Sierra 2500 HD Ignition Lock Cylinder More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | All Engines 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: 2004 GMC Sierra 2500 HD Ignition Knock Sensor Connector More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L 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: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: with OE # 12586243, 89017739;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: 2004 GMC Sierra 2500 HD Remanufactured Engine Control Computer More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L 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: 2004 GMC Sierra 2500 HD Ignition Starter Switch More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | All Engines 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: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L Show More VEHICLE SPECIFIC Product Specifications Notes: with Mitsubishi Ignition;with Square Type Coil Coil Type: Conventional Terminal Gender: Male Terminal Quantity: 4 Terminal Type: Blade UPC: 689604213780 Part Description: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L VEHICLE SPECIFIC Product Specifications Notes: Delphi Ignition 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: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: All Models; 8.1l Other Names: ECM, PCM Item Dimensions: 9.5 x 4.2 x 12.5 inches Item Weight: 4.10 Pounds Fitment Type: Direct Replacement Replaces: 89017739, 12586243 Part Description: 2004 GMC Sierra 2500 HD PCM More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SLE, SLT, WT | 8 Cyl 8.1 L GAS $230.11 MSRP: $430.22
You Save: $200.11 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 8.1l Other Names: ECM, PCM Item Dimensions: 9.5 x 4.2 x 12.5 inches Item Weight: 4.10 Pounds Fitment Type: Direct Replacement Replaces: 89017739, 12586243 Part Description: 2004 GMC Sierra 2500 HD PCM More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SLE, SLT, WT | 8 Cyl 8.1 L GAS $230.11 MSRP: $430.22
You Save: $200.11 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Mitsubishi Ignition Connector Gender: Female Ignition Type: Electronic Oil Filled: No Requires External Resistor: No Terminal Gender: Male Terminal Quantity: 4 Terminal Type: Spade UPC: 724620070044 Voltage: 12 Volts Part Description: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L VEHICLE SPECIFIC Product Specifications Notes: Auto Trans Item Dimensions: 3.1 x 2.4 x 1.9 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 88937315 Part Description: 2004 GMC Sierra 2500 HD Cylinder & Keys More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS $50.63 MSRP: $80.42
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; Auto Trans; W/Seo Single System Key Item Dimensions: 8.2 x 3.1 x 2.2 inches Item Weight: 2.00 Pounds Fitment Type: Direct Replacement Replaces: 12472980 Part Description: 2004 GMC Sierra 2500 HD Cylinder & Keys More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS $54.59 MSRP: $86.69
You Save: $32.10 (38%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; Auto Trans; W/Seo Single System Key Item Dimensions: 8.2 x 3.1 x 2.2 inches Item Weight: 2.00 Pounds Fitment Type: Direct Replacement Replaces: 12472980 Part Description: 2004 GMC Sierra 2500 HD Cylinder & Keys More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS $54.59 MSRP: $86.69
You Save: $32.10 (38%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Manual Trans Item Dimensions: 3.3 x 2.2 x 1.7 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Replaces: 88956845 Part Description: 2004 GMC Sierra 2500 HD Cylinder & Keys More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS $48.49 MSRP: $77.01
You Save: $28.52 (38%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models Item Dimensions: 7.6 x 5.2 x 0.5 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2004 GMC Sierra 2500 HD Glow Plug More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS $24.22 MSRP: $43.86
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 8 Cylinder, Mitsubishi; All Models; 4.8l, 5.3l, 6.0l; Coil Stamped 12558693;All Models; 8.1l Other Names: Ignition Coil Fitment Type: Direct Replacement Replaces: 12558693, 19355500 Part Description: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS $67.13 MSRP: $121.52
You Save: $54.39 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: w/Square Coil; OE Part;OE Part Coil Shape: Square Finish: Black Tower Gender: Female Tower Quantity: 1 UPC: 042511176379 Voltage: 12 VDC Part Description: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L VEHICLE SPECIFIC Product Specifications Notes: 8 Cylinder 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: 2004 GMC Sierra 2500 HD PCM More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS VEHICLE SPECIFIC Product Specifications Notes: 8 Cylinder 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: 2004 GMC Sierra 2500 HD PCM More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | Base, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS VEHICLE SPECIFIC Product Specifications Notes: w/Delphi Ignition;;Round Coil Attachment Method: Bolt-On Coil Included: Yes Coil Type: Electronic Color: Black Connector Gender: Female (1) Connector Quantity: 1 Connector Shape: Oval, Rectangular Connector Type: Plug-In Grease Pack: No Hardware Included: No Ignition Type: Coil on Plug Location: Valve Cover Terminal Gender: Male (1) Terminal Quantity: 4 Terminal Type: Blade UPC: 841266003851 Voltage: 12 Volts Part Description: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 8.1L Show More VEHICLE SPECIFIC Product Specifications Notes: w/Round Coil; OE Part Color: Black Tower Gender: Female Tower Quantity: 1 UPC: 042511194533 Voltage: 12 Part Description: 2004 GMC Sierra 2500 HD Ignition Coil More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: w/o Acc. Position Coding: Coded Key Quantity: 2 Keys Included: Yes Mounting Location: Steering Column OE Part Number: 15298923 UPC: 841266086588 Part Description: 2004 GMC Sierra 2500 HD Ignition Lock Cylinder More Info Vehicle Fitment 2004 GMC Sierra 2500 HD | All Trims | All Engines 2004 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L