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Replacement and OEM Parts for 2003 GMC Sierra 1500 HD Ignition, Distributors & ECM

2003 GMC Sierra 1500 HD Ignition, Distributors & ECM

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2003 GMC Sierra 1500 HD
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Engine & Drivetrain

31 products about 2003 GMC Sierra 1500 HD Ignition, Distributors & ECM found

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  • OEM 2003 GMC Sierra 1500 HD Knock Sensor Diagram - 12589867
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Knock Sensor

    PartNumber: 12589867
    OEM 2003 GMC Sierra 1500 HD Knock Sensor - 12589867
    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: 2003 GMC Sierra 1500 HD Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $69.45 MSRP: $131.06
    You Save: $61.61 (48%)
  • Dorman Ignition Lock Housing for 2003 GMC Sierra 1500 HD - 924-713

    Dorman® Ignition Lock Housing for 2003 GMC Sierra 1500 HD

    PartNumber: 924-713
    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: 2003 GMC Sierra 1500 HD Ignition Lock Housing
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $73.03
  • OEM 2003 GMC Sierra 1500 HD Ignition Coil Diagram - 10457730
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Ignition Coil

    PartNumber: 10457730
    OEM 2003 GMC Sierra 1500 HD 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 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $83.34 MSRP: $132.34
    You Save: $49.00 (38%)
  • Cardone Reman Remanufactured Engine Control Computer for 2003 GMC Sierra 1500 HD - 77-2605F

    Cardone Reman® Remanufactured Engine Control Computer for 2003 GMC Sierra 1500 HD

    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 GMC Sierra 1500 HD Remanufactured Engine Control Computer
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $137.79
  • Delphi Ignition Knock Sensor for 2003 GMC Sierra 1500 HD - AS10017

    Delphi® Ignition Knock Sensor for 2003 GMC Sierra 1500 HD

    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 GMC Sierra 1500 HD Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $44.94
  • Walker Products Ignition Knock Sensor for 2003 GMC Sierra 1500 HD - 242-1039

    Walker Products® Ignition Knock Sensor for 2003 GMC Sierra 1500 HD

    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 GMC Sierra 1500 HD Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $35.42
  • Spectra Premium Ignition Coil for 2003 GMC Sierra 1500 HD - C-561

    Spectra Premium® Ignition Coil for 2003 GMC Sierra 1500 HD

    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 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $24.40
  • Dorman Ignition Knock Sensor Connector for 2003 GMC Sierra 1500 HD - 917-033

    Dorman® Ignition Knock Sensor Connector for 2003 GMC Sierra 1500 HD

    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 GMC Sierra 1500 HD Ignition Knock Sensor Connector
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $24.02
  • Delphi Ignition Coil for 2003 GMC Sierra 1500 HD - GN10119

    Delphi® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: GN10119
    Product Specifications
    • Notes: Delphi;Round Type;Actual OE Part; Delphi Ignition
    • Terminal Gender: Male
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604125861
    • Part Description: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $41.21
  • Dorman Ignition Lock Cylinder for 2003 GMC Sierra 1500 HD - 924-725

    Dorman® Ignition Lock Cylinder for 2003 GMC Sierra 1500 HD

    PartNumber: 924-725
    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: 2003 GMC Sierra 1500 HD Ignition Lock Cylinder
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $34.54
  • Spectra Premium Ignition Coil for 2003 GMC Sierra 1500 HD - C-593

    Spectra Premium® Ignition Coil for 2003 GMC Sierra 1500 HD

    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 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $18.69
  • Dorman Ignition Starter Switch for 2003 GMC Sierra 1500 HD - 924-715

    Dorman® Ignition Starter Switch for 2003 GMC Sierra 1500 HD

    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 GMC Sierra 1500 HD Ignition Starter Switch
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $18.55
  • OEM 2003 GMC Sierra 1500 HD Cylinder & Keys Diagram - 15799769
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Cylinder & Keys

    PartNumber: 15799769
    OEM 2003 GMC Sierra 1500 HD Cylinder & Keys - 15799769
    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: 2003 GMC Sierra 1500 HD Cylinder & Keys
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $50.63 MSRP: $80.42
    You Save: $29.79 (38%)
  • Delphi Ignition Coil for 2003 GMC Sierra 1500 HD - GN10298

    Delphi® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: GN10298
    Product Specifications
    • Notes: with Square Type Coil;with Mitsubishi Ignition
    • Coil Type: Conventional
    • Terminal Gender: Male
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604213780
    • Part Description: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $31.60
  • Walker Products Ignition Coil for 2003 GMC Sierra 1500 HD - 920-1020

    Walker Products® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: 920-1020
    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: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $24.86
  • OEM 2003 GMC Sierra 1500 HD Glow Plug Diagram - 97226202
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Glow Plug

    PartNumber: 97226202
    OEM 2003 GMC Sierra 1500 HD Glow Plug - 97226202
    Product Specifications
    • Notes: All Models
    • Item Dimensions: 7.4 x 5.1 x 0.9 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 GMC Sierra 1500 HD Glow Plug
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $19.38 MSRP: $35.06
    You Save: $15.68 (45%)
  • Walker Products Ignition Coil for 2003 GMC Sierra 1500 HD - 920-1052

    Walker Products® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: 920-1052
    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: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $26.40
  • OEM 2003 GMC Sierra 1500 HD Cylinder & Keys Diagram - 15815961
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Cylinder & Keys

    PartNumber: 15815961
    OEM 2003 GMC Sierra 1500 HD Cylinder & Keys - 15815961
    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: 2003 GMC Sierra 1500 HD Cylinder & Keys
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $54.59 MSRP: $86.69
    You Save: $32.10 (38%)
  • OEM 2003 GMC Sierra 1500 HD Cylinder & Keys Diagram - 15815961
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Cylinder & Keys

    PartNumber: 15815961
    OEM 2003 GMC Sierra 1500 HD Cylinder & Keys - 15815961
    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: 2003 GMC Sierra 1500 HD Cylinder & Keys
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $54.59 MSRP: $86.69
    You Save: $32.10 (38%)
  • OEM 2003 GMC Sierra 1500 HD Cylinder & Keys Diagram - 15785100
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Cylinder & Keys

    PartNumber: 15785100
    OEM 2003 GMC Sierra 1500 HD Cylinder & Keys - 15785100
    Product Specifications
    • Notes: All Models; Manual Trans; All
    • Item Dimensions: 3.3 x 2.2 x 1.7 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 88956845
    • Part Description: 2003 GMC Sierra 1500 HD Cylinder & Keys
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $48.49 MSRP: $77.01
    You Save: $28.52 (38%)
  • OEM 2003 GMC Sierra 1500 HD Cylinder & Keys Diagram - 15799770
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Cylinder & Keys

    PartNumber: 15799770
    OEM 2003 GMC Sierra 1500 HD Cylinder & Keys - 15799770
    Product Specifications
    • Notes: Manual Trans
    • Other Names: Cylinder & Keys, Ignition Lock Cylinder
    • Item Dimensions: 1.1 x 0.9 x 0.5 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 88937329
    • Part Description: 2003 GMC Sierra 1500 HD Cylinder & Keys
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $44.20 MSRP: $70.20
    You Save: $26.00 (38%)
  • OEM 2003 GMC Sierra 1500 HD Ignition Coil Diagram - 19418993
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD Ignition Coil

    PartNumber: 19418993
    OEM 2003 GMC Sierra 1500 HD Ignition Coil - 19418993
    Product Specifications
    • Notes: 8 Cylinder, Mitsubishi
    • Other Names: Ignition Coil
    • Fitment Type: Direct Replacement
    • Replaces: 12558693, 19355500
    • Part Description: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
    $66.13 MSRP: $124.80
    You Save: $58.67 (48%)
  • Denso Ignition Coil for 2003 GMC Sierra 1500 HD - 673-7000

    Denso® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: 673-7000
    Product Specifications
    • Notes: w/Square Coil; OE Part
    • Coil Shape: Square
    • Finish: Black
    • Tower Gender: Female
    • Tower Quantity: 1
    • UPC: 042511176379
    • Voltage: 12 VDC
    • Part Description: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
  • OEM 2003 GMC Sierra 1500 HD PCM Diagram - 12581565
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD PCM

    PartNumber: 12581565
    OEM 2003 GMC Sierra 1500 HD PCM - 12581565
    Product Specifications
    • Notes: 8 Cylinder; All Models; 4.8l, 5.3l, 6.0l
    • 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 GMC Sierra 1500 HD PCM
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 HD PCM Diagram - 12581565
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 HD PCM

    PartNumber: 12581565
    OEM 2003 GMC Sierra 1500 HD PCM - 12581565
    Product Specifications
    • Notes: 8 Cylinder; All Models; 4.8l, 5.3l, 6.0l
    • 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 GMC Sierra 1500 HD PCM
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | SLE, SLT | 8 Cyl 6.0 L GAS
  • Original Engine Management Ignition Coil for 2003 GMC Sierra 1500 HD - 50016

    Original Engine Management® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: 50016
    Product Specifications
    • Notes: Round Coil;w/Delphi Ignition;
    • 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: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
  • Denso Ignition Coil for 2003 GMC Sierra 1500 HD - 673-7101

    Denso® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: 673-7101
    Product Specifications
    • Notes: w/Round Coil; OE Part
    • Color: Black
    • Tower Gender: Female
    • Tower Quantity: 1
    • UPC: 042511194533
    • Voltage: 12
    • Part Description: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
  • Original Engine Management Ignition Lock Cylinder for 2003 GMC Sierra 1500 HD - ILC190

    Original Engine Management® Ignition Lock Cylinder for 2003 GMC Sierra 1500 HD

    PartNumber: ILC190
    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: 2003 GMC Sierra 1500 HD Ignition Lock Cylinder
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
  • Original Engine Management Ignition Coil for 2003 GMC Sierra 1500 HD - 50253

    Original Engine Management® Ignition Coil for 2003 GMC Sierra 1500 HD

    PartNumber: 50253
    Product Specifications
    • Notes: w/Mitsubishi Ignition;;Square 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: Dis
    • Instructions Included: No
    • Location: Valve Cover
    • Mounting Location: Engine Bay
    • Terminal Gender: Male (1)
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 841266082917
    • Voltage: 12 Volts
    • Part Description: 2003 GMC Sierra 1500 HD Ignition Coil
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
  • Original Engine Management Ignition Knock Sensor for 2003 GMC Sierra 1500 HD - KS36

    Original Engine Management® Ignition Knock Sensor for 2003 GMC Sierra 1500 HD

    PartNumber: KS36
    Product Specifications
    • Attachment Method: Screw-In
    • Connector Gender: Female
    • Connector Type: Bolt-On
    • OE Part Number: 10456603
    • Terminal Gender: Male (1)
    • Terminal Quantity: 1
    • UPC: 841266077579
    • Part Description: 2003 GMC Sierra 1500 HD Ignition Knock Sensor
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
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