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GMC 12557046 Sensor,Crankshaft Position

1994-2002 GMC

Customer Questions & Expert Answers (4)
GM 12557046 Sensor,Crankshaft Position
  • Part Description
    SENSOR, Distributor (also Knock Sensor)
  • Replaces
    10154687
  • 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 Number12557046
    Part DescriptionSENSOR, Distributor (also Knock Sensor)
    Other NamesCrankshaft Position Sensor, Position Sensor
    Item Dimensions4.2 x 4.2 x 4.2 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces10154687
    ManufacturerGeneral Motors
    SKU12557046
    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
    1994-1999 GMC C15008 Cyl 6.5L DieselC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1994-2000 GMC C25008 Cyl 6.5L DieselC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1994-2000 GMC C35008 Cyl 6.5L DieselC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB, K2500 EXTENDED CAB STANDARD BOX
    1994-1995 GMC G25008 Cyl 6.5L Diesel3/4 TON CARGO, 3/4 TON PASSENGER
    1994-1999 GMC K15008 Cyl 6.5L DieselK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1994-2000 GMC K25008 Cyl 6.5L DieselK2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1994-2000 GMC K35008 Cyl 6.5L DieselK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
    1996-2002 GMC Savana8 Cyl 6.5L Diesel1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE SAVANA, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA
    1994-1999 GMC Suburban8 Cyl 6.5L Diesel1/2 TON, 3/4 TON
    1994-1997 GMC Yukon8 Cyl 6.5L DieselCLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 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 12557046 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How is the CKP sensor triggered for the 1995 Chevrolet C1500? Posted by Customer
    A:
    The CKP sensor is triggered by slots on the crankshaft reluctor ring.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Position Sensor
    Q:
    How do you disconnect the CKP sensor on the engine for the 2005 Chevrolet Express? Posted by Customer
    A:
    To disconnect the CKP sensor, start by disconnecting the cable from the negative battery terminal. Then, raise the front end of the vehicle and secure it on jackstands. Next, disconnect the electrical connector from the CKP sensor and remove the sensor mounting bolt. Remove the sensor from the engine and inspect the 0-ring for any damage. If necessary, replace the 0-ring. Apply a small amount of engine oil to the 0-ring and install the CKP sensor, making sure to tighten the mounting bolt securely.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Position Sensor
    Q:
    What is the purpose of the Crankshaft Position (CKP) sensor for the 1993 Chevrolet K1500? Posted by Customer
    A:
    The CKP sensor provides the PCM with a crankshaft position signal.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Crankshaft Position Sensor
    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 12557046, the Right Choice

To ensure reliability, purchase GM part # 12557046 Sensor,Crankshaft Position. It is sometimes referred to as GMC Crankshaft Position Sensor. 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 C2500, Suburban, Yukon models.

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