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

Genuine GM 84303174
Block Asm-Engine Wiring Harness Junction

2015 Chevrolet Silverado 2500 HD Fuse & Relay Block Asm-Engine Wiring Harness Junction Diagram for 84303174
GM 84303174 Block Asm-Engine Wiring Harness Junction
GM 84303174 Block Asm-Engine Wiring Harness Junction
  • Part Description BLOCK ASM-ENG WRG HARN JUNC
  • Replaces 23254027, 23143474, 23285571, 84017812, 84017811, 84303173, 84075775, 23285564, 84075769, 84075767, 84075774
  • Brand GM
$214.57
MSRP: $340.68
You Save: $126.11 (38%)

Vehicle Specific

Check if it fits by entering your vehicle info
Select Your Vehicle

Why Choose AutoPartsPrime

  • Dedicated Service

    We have experienced professionals here to help you via phone, live chat or email.

  • Unbeatable Prices

    We offer genuine OEM parts at the best possible discounted prices online.

  • Fast Delivery

    Your orders are processed efficiently and delivered as promptly as possible.

Shipping & Return
Shipping Policy Return Policy

  • Product Specifications

    BrandGenuine General Motors
    Manufacturer Part Number84303174
    Part DescriptionBLOCK ASM-ENG WRG HARN JUNC
    Other DescriptionBlock Asm-Engine Wiring Harness Junction
    Other NamesFuse & Relay Box
    Item Dimensions16.3 x 9.5 x 5.6 inches
    Item Weight2.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces23254027, 23143474, 23285571, 84017812, 84017811, 84303173, 84075775, 23285564, 84075769, 84075767, 84075774
    ManufacturerGenuine General Motors
    SKU84303174
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty. For more information, please see our Warranty Page.
    Warning: California’s Proposition 65

  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2015-2019 Chevrolet Silverado8 Cyl 6.6L Diesel2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX
    2015-2019 GMC Sierra8 Cyl 6.6L Diesel2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX

Related Parts for 84303174

OEM GM 84303174 at AutoPartsPrime, Your Right Choice

  • The part number 84303174, Block Asm-Engine Wiring Harness Junction, is designed to fit specific GM vehicles. Here, we provide you with parts specifications and vehicle fitment information for your convenience. This part fits specific Chevrolet Silverado. It fits GMC Sierra. All OEM GM parts are manufactured by GM and guaranteed by GM's factory warranty. You can find diagrams here for your parts lookup.
  • AutoPartsPrime is a fast-growing online store, and the online catalog we carry covers all your genuine automotive needs. From engine parts to body parts, we have a huge selection of GM parts. If you have friends who also own GM vehicles, don't forget to refer them to AutoPartsPrime. Also, if you have any questions or hesitation, let us help you.