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GMC 12478078 Transfer Case (Front Half)

2001-2007 GMC

Customer Questions & Expert Answers (3)
GM 12478078 Transfer Case (Front Half)
  • Part Description
    Case,Transfer (Front Half)
  • Position
    Front
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number12478078
    Part DescriptionCase,Transfer (Front Half)
    Item Dimensions20.5 x 10.7 x 9.1 inches
    Item Weight13.20 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12478078
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2001-2007 GMC Sierra8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB
    2001-2005 GMC Yukon8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 8.1L3/4 TON, XL 3/4 TON
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12478078 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What components should be removed next for the 2013 GMC Sierra? Posted by Customer
    A:
    Next, you should remove the front and rear driveshafts, unplug all electrical connectors, detach the vent hose from the top of the transfer case, and disconnect the shift linkage (if applicable).
    Posted by GMPartsGiant Specialist
    See expert answers on similar Transfer Case
    Q:
    What should be done after the first step for the 2011 Chevrolet Silverado? Posted by Customer
    A:
    After the first step, you should raise the vehicle and support it securely on jackstands, remove the stone shields (if equipped), and drain the transfer case lubricant.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Transfer Case
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12478078, the Right Choice

To ensure reliability, purchase GM part # 12478078 Transfer Case (Front Half). It is sometimes referred to as GMC Transfer Case. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific GMC Sierra, Yukon models.

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