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Replacement and OEM Parts for GMC Sierra 3500 HD Ignition Control Module
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GMC Sierra 3500 HD Ignition Control Module

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  • OEM GMC Sierra 3500 HD ECM Diagram - 12692200
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    OEM (Genuine) GMC Sierra 3500 HD ECM

    PartNumber: 12692200
    OEM GMC Sierra 3500 HD ECM - 12692200
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 12.2 x 10.4 x 8.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12643636, 12668866, 12668991
    • Part Description: GMC Sierra 3500 HD ECM
    More Info
    $200.39 MSRP: $377.12
    You Save: $176.73 (47%)
  • OEM GMC Sierra 3500 HD PCM Diagram - 12633238
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    OEM (Genuine) GMC Sierra 3500 HD PCM

    PartNumber: 12633238
    OEM GMC Sierra 3500 HD PCM - 12633238
    Product Specifications
    • Other Names: ECM, PCM
    • Item Dimensions: 11.1 x 7.7 x 3.4 inches
    • Item Weight: 2.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 3500 HD PCM
    More Info
    $263.69 MSRP: $496.56
    You Save: $232.87 (47%)
  • OEM GMC Sierra 3500 HD Engine Control Module Assembly (W/ 2Nd Mpu) E78 Service No-Start Diagram - 12692201
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    OEM (Genuine) GMC Sierra 3500 HD Engine Control Module Assembly (W/ 2Nd Mpu) E78 Service No-Start

    PartNumber: 12692201
    OEM GMC Sierra 3500 HD Engine Control Module Assembly (W/ 2Nd Mpu) E78 Service No-Start - 12692201
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 8.1 x 5.2 x 5.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12668986
    • Part Description: GMC Sierra 3500 HD Engine Control Module Assembly (W/ 2Nd Mpu) E78 Service No-Start
    More Info
    $133.60 MSRP: $276.36
    You Save: $142.76 (52%)
  • OEM GMC Sierra 3500 HD PCM Diagram - 12612384
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    OEM (Genuine) GMC Sierra 3500 HD PCM

    PartNumber: 12612384
    OEM GMC Sierra 3500 HD PCM - 12612384
    Product Specifications
    • Other Names: ECM, PCM
    • Item Dimensions: 11.2 x 7.5 x 3.3 inches
    • Item Weight: 1.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 3500 HD PCM
    More Info
    $259.29 MSRP: $488.26
    You Save: $228.97 (47%)
  • OEM GMC Sierra 3500 HD ECM Diagram - 12652526
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    OEM (Genuine) GMC Sierra 3500 HD ECM

    PartNumber: 12652526
    OEM GMC Sierra 3500 HD ECM - 12652526
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 5.1 x 14.6 x 14.7 inches
    • Item Weight: 7.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12618516
    • Part Description: GMC Sierra 3500 HD ECM
    More Info
    $815.79 MSRP: $1346.73
    You Save: $530.94 (40%)
  • OEM GMC Sierra 3500 HD PCM Diagram - 19210738
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    OEM (Genuine) GMC Sierra 3500 HD PCM

    PartNumber: 19210738
    OEM GMC Sierra 3500 HD PCM - 19210738
    Product Specifications
    • Other Names: ECM, PCM
    • Item Dimensions: 8.6 x 7.4 x 4.5 inches
    • Item Weight: 2.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 3500 HD PCM
    More Info
    $242.63 MSRP: $456.42
    You Save: $213.79 (47%)
  • OEM GMC Sierra 3500 HD Module Asm-Engine Control (E86 Service No -Start) Diagram - 12662677
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    OEM (Genuine) GMC Sierra 3500 HD Module Asm-Engine Control (E86 Service No -Start)

    PartNumber: 12662677
    OEM GMC Sierra 3500 HD Module Asm-Engine Control (E86 Service No -Start) - 12662677
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 21.0 x 13.3 x 9.2 inches
    • Item Weight: 8.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 3500 HD Module Asm-Engine Control (E86 Service No -Start)
    More Info
    $474.98 MSRP: $980.84
    You Save: $505.86 (52%)
  • OEM GMC Sierra 3500 HD ECM Diagram - 12625455
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    OEM (Genuine) GMC Sierra 3500 HD ECM

    PartNumber: 12625455
    OEM GMC Sierra 3500 HD ECM - 12625455
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 7.9 x 5.3 x 5.3 inches
    • Item Weight: 1.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 3500 HD ECM
    More Info
    $225.61 MSRP: $424.70
    You Save: $199.09 (47%)
  • OEM GMC Sierra 3500 HD Antitheft Module Diagram - 13523300
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    OEM (Genuine) GMC Sierra 3500 HD Antitheft Module

    PartNumber: 13523300
    OEM GMC Sierra 3500 HD Antitheft Module - 13523300
    Product Specifications
    • Item Dimensions: 3.1 x 2.1 x 1.0 inches
    • Item Weight: 3.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 13500157
    • Part Description: GMC Sierra 3500 HD Antitheft Module
    More Info
    $26.60 MSRP: $50.19
    You Save: $23.59 (48%)
  • OEM GMC Sierra 3500 HD ECM Diagram - 12692865
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    OEM (Genuine) GMC Sierra 3500 HD ECM

    PartNumber: 12692865
    OEM GMC Sierra 3500 HD ECM - 12692865
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 7.8 x 5.5 x 5.4 inches
    • Item Weight: 2.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12616532, 12670036, 12642100
    • Part Description: GMC Sierra 3500 HD ECM
    More Info
    $190.27 MSRP: $358.02
    You Save: $167.75 (47%)
  • OEM GMC Sierra 3500 HD ECM Diagram - 12711867
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    OEM (Genuine) GMC Sierra 3500 HD ECM

    PartNumber: 12711867
    OEM GMC Sierra 3500 HD ECM - 12711867
    Product Specifications
    • Other Names: ECM
    • Fitment Type: Direct Replacement
    • Replaced by: 12725133
    • Part Description: GMC Sierra 3500 HD ECM
    More Info
    $251.83 MSRP: $399.85
    You Save: $148.02 (38%)
  • OEM GMC Sierra 3500 HD ECM Diagram - 12725133
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    OEM (Genuine) GMC Sierra 3500 HD ECM

    PartNumber: 12725133
    OEM GMC Sierra 3500 HD ECM - 12725133
    Product Specifications
    • Other Names: ECM
    • Fitment Type: Direct Replacement
    • Replaces: 12701222, 12703686, 12711867, 12692986
    • Part Description: GMC Sierra 3500 HD ECM
    More Info
    $251.83 MSRP: $399.85
    You Save: $148.02 (38%)
  • OEM GMC Sierra 3500 HD ECM Diagram - 12723810
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    OEM (Genuine) GMC Sierra 3500 HD ECM

    PartNumber: 12723810
    OEM GMC Sierra 3500 HD ECM - 12723810
    Product Specifications
    • Other Names: ECM
    • Part Description: GMC Sierra 3500 HD ECM
    $232.13 MSRP: $420.16
    You Save: $188.03 (45%)
  • OEM GMC Sierra 3500 HD Engine Control Module Assembly (E86 Service-No Start) Diagram - 12654088
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    OEM (Genuine) GMC Sierra 3500 HD Engine Control Module Assembly (E86 Service-No Start)

    PartNumber: 12654088
    OEM GMC Sierra 3500 HD Engine Control Module Assembly (E86 Service-No Start) - 12654088
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 14.4 x 13.9 x 4.5 inches
    • Item Weight: 5.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12653319
    • Part Description: GMC Sierra 3500 HD Engine Control Module Assembly (E86 Service-No Start)
    More Info
    $716.77 MSRP: $1483.98
    You Save: $767.21 (52%)
  • OEM GMC Sierra 3500 HD Engine Control Module Assembly Diagram - 12648344
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    OEM (Genuine) GMC Sierra 3500 HD Engine Control Module Assembly

    PartNumber: 12648344
    OEM GMC Sierra 3500 HD Engine Control Module Assembly - 12648344
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 13.8 x 13.8 x 4.0 inches
    • Item Weight: 7.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 3500 HD Engine Control Module Assembly
    More Info
    $422.52 MSRP: $1070.84
    You Save: $648.32 (61%)
  • OEM GMC Sierra 3500 HD MODULE ASM-ENG CONT (W/ 2ND MPU) Diagram - 12711509
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    OEM (Genuine) GMC Sierra 3500 HD MODULE ASM-ENG CONT (W/ 2ND MPU)

    PartNumber: 12711509
    OEM GMC Sierra 3500 HD MODULE ASM-ENG CONT (W/ 2ND MPU) - 12711509
    Product Specifications
    • Other Names: ECM
    • Fitment Type: Direct Replacement
    • Replaced by: 12720006
    • Part Description: GMC Sierra 3500 HD MODULE ASM-ENG CONT (W/ 2ND MPU)
    More Info
    $423.18 MSRP: $798.48
    You Save: $375.30 (48%)
  • OEM GMC Sierra 3500 HD Module, Powertrain Control(Remanufacture) Diagram - 89017750
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    OEM (Genuine) GMC Sierra 3500 HD Module, Powertrain Control(Remanufacture)

    PartNumber: 89017750
    OEM GMC Sierra 3500 HD Module, Powertrain Control(Remanufacture) - 89017750
    Product Specifications
    • Other Names: ECM, PCM
    • Item Dimensions: 8.1 x 4.1 x 13.1 inches
    • Item Weight: 4.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12602802, 12589463
    • Part Description: GMC Sierra 3500 HD Module, Powertrain Control(Remanufacture)
    More Info
  • OEM GMC Sierra 3500 HD Engine Control Module Assembly Diagram - 19260758
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    OEM (Genuine) GMC Sierra 3500 HD Engine Control Module Assembly

    PartNumber: 19260758
    OEM GMC Sierra 3500 HD Engine Control Module Assembly - 19260758
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 10.6 x 10.9 x 3.4 inches
    • Item Weight: 4.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12609441
    • Part Description: GMC Sierra 3500 HD Engine Control Module Assembly
    More Info
  • OEM GMC Sierra 3500 HD Module Asm, Engine Control Diagram - 19260753
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    OEM (Genuine) GMC Sierra 3500 HD Module Asm, Engine Control

    PartNumber: 19260753
    OEM GMC Sierra 3500 HD Module Asm, Engine Control - 19260753
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 10.1 x 10.1 x 5.8 inches
    • Item Weight: 2.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12606126
    • Part Description: GMC Sierra 3500 HD Module Asm, Engine Control
    More Info
  • OEM GMC Sierra 3500 HD Engine Control Module Assembly (W/O Calibration) E86 Service-No Start Diagram - 12658036
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    OEM (Genuine) GMC Sierra 3500 HD Engine Control Module Assembly (W/O Calibration) E86 Service-No Start

    PartNumber: 12658036
    OEM GMC Sierra 3500 HD Engine Control Module Assembly (W/O Calibration) E86 Service-No Start - 12658036
    Product Specifications
    • Other Names: ECM
    • Item Dimensions: 15.7 x 9.3 x 7.4 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 3500 HD Engine Control Module Assembly (W/O Calibration) E86 Service-No Start
    More Info
  • OEM GMC Sierra 3500 HD Glow Plug Controller Diagram - 12650593
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    OEM (Genuine) GMC Sierra 3500 HD Glow Plug Controller

    PartNumber: 12650593
    OEM GMC Sierra 3500 HD Glow Plug Controller - 12650593
    Product Specifications
    • Other Names: Glow Plug Controller, Module
    • Item Dimensions: 6.4 x 4.2 x 4.2 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12654071
    • Part Description: GMC Sierra 3500 HD Glow Plug Controller
    More Info

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