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Replacement and OEM Parts for 2012 GMC Sierra 2500 HD Relay Boxes

2012 GMC Sierra 2500 HD Relay Boxes

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2012 GMC Sierra 2500 HD
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  • OEM 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction Diagram - 22798214
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction

    PartNumber: 22798214
    OEM 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction - 22798214
    Product Specifications
    • Notes: Engine Compartment, 6.0 Liter
    • Other Names: Junction Block
    • Item Dimensions: 9.6 x 5.9 x 16.1 inches
    • Item Weight: 4.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20978811, 20904414
    • Part Description: 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $342.64 MSRP: $544.01
    You Save: $201.37 (38%)
  • OEM 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction Diagram - 22798216
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction

    PartNumber: 22798216
    OEM 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction - 22798216
    Product Specifications
    • Notes: Engine Compartment, 6.6 Liter Diesel
    • Other Names: Junction Block
    • Item Dimensions: 9.8 x 5.6 x 15.8 inches
    • Item Weight: 3.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20862103, 25941367
    • Part Description: 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
    $411.02 MSRP: $652.58
    You Save: $241.56 (38%)
  • OEM 2012 GMC Sierra 2500 HD Block Asm-Body Wiring Harness Junction Diagram - 20813086
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    OEM (Genuine) 2012 GMC Sierra 2500 HD Block Asm-Body Wiring Harness Junction

    PartNumber: 20813086
    OEM 2012 GMC Sierra 2500 HD Block Asm-Body Wiring Harness Junction - 20813086
    Product Specifications
    • Notes: Instrument Panel, Lower
    • Other Names: Junction Block
    • Item Dimensions: 8.3 x 8.1 x 6.2 inches
    • Item Weight: 3.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15780696
    • Part Description: 2012 GMC Sierra 2500 HD Block Asm-Body Wiring Harness Junction
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $174.35 MSRP: $276.81
    You Save: $102.46 (38%)
  • OEM 2012 GMC Sierra 2500 HD Junction Block Diagram - 22745714
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Junction Block

    PartNumber: 22745714
    OEM 2012 GMC Sierra 2500 HD Junction Block - 22745714
    Product Specifications
    • Notes: Instrument Panel, Upper
    • Other Names: Junction Block
    • Item Dimensions: 7.7 x 6.2 x 6.6 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20828607, 15200866, 25815392, 15948740
    • Part Description: 2012 GMC Sierra 2500 HD Junction Block
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
  • OEM 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction Diagram - 22798215
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction

    PartNumber: 22798215
    OEM 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction - 22798215
    Product Specifications
    • Notes: Engine Compartment, W/O 6.6 Liter Diesel, All
    • Other Names: Junction Block
    • Item Dimensions: 9.7 x 5.7 x 15.8 inches
    • Item Weight: 3.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20978812, 25941370
    • Part Description: 2012 GMC Sierra 2500 HD Block Asm-Engine Wiring Harness Junction
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 2500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS