Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2018 Chevrolet Silverado 2500 HD Relay Boxes

2018 Chevrolet Silverado 2500 HD Relay Boxes

My Vehicle Change Vehicle
2018 Chevrolet Silverado 2500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Fuses & Fuse Box
  • Department
  • Prices

3 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2018 Chevrolet Silverado 2500 HD Junction Block Diagram - 23195441
    View Related Parts

    OEM (Genuine) 2018 Chevrolet Silverado 2500 HD Junction Block

    PartNumber: 23195441
    OEM 2018 Chevrolet Silverado 2500 HD Junction Block - 23195441
    Product Specifications
    • Notes: Instrument Panel
    • Other Names: Junction Block
    • Item Dimensions: 16.2 x 9.6 x 9.3 inches
    • Item Weight: 1.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 22773749
    • Part Description: 2018 Chevrolet Silverado 2500 HD Junction Block
    More Info
    Vehicle Fitment
    • 2018 Chevrolet Silverado 2500 HD | High Country, LT, LTZ, 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
    $103.63 MSRP: $164.54
    You Save: $60.91 (38%)
  • OEM 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction Diagram - 84303175
    View Related Parts

    OEM (Genuine) 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction

    PartNumber: 84303175
    OEM 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction - 84303175
    Product Specifications
    • Notes: Engine Compartment, 6.0 Liter
    • Other Names: Fuse & Relay Box, Junction Block
    • Item Dimensions: 9.7 x 5.7 x 15.8 inches
    • Item Weight: 2.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23254025, 23285565, 84303177, 84008527, 84071500, 84303178, 84075778, 84008524, 84075768, 23285569, 23143470, 23285567, 23285572, 84303179, 84075777, 84008525, 84075776
    • Part Description: 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction
    More Info
    Vehicle Fitment
    • 2018 Chevrolet Silverado 2500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $163.98 MSRP: $260.37
    You Save: $96.39 (38%)
  • OEM 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction Diagram - 84303174
    View Related Parts

    OEM (Genuine) 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction

    PartNumber: 84303174
    OEM 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction - 84303174
    Product Specifications
    • Notes: Engine Compartment, 6.6 Liter Diesel
    • Other Names: Fuse & Relay Box
    • Item Dimensions: 16.3 x 9.5 x 5.6 inches
    • Item Weight: 2.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23254027, 23143474, 23285571, 84017812, 84017811, 84303173, 84075775, 23285564, 84075769, 84075767, 84075774
    • Part Description: 2018 Chevrolet Silverado 2500 HD Block Asm-Engine Wiring Harness Junction
    More Info
    Vehicle Fitment
    • 2018 Chevrolet Silverado 2500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $214.57 MSRP: $340.68
    You Save: $126.11 (38%)