Make sure this part fits

GM 12554145
Temperature Sending Unit

1996-2007 GM

Customer Questions & Expert Answers (11)
GM 12554145 Temperature Sending Unit
  • Part Description
    Sensor, Coolant Temperature (Engine Unit)
  • 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 GM
    Manufacturer Part Number12554145
    Part DescriptionSensor, Coolant Temperature (Engine Unit)
    Item Dimensions4.5 x 2.8 x 1.2 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12554145
    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 Trim Engine
    1996-2001 Chevrolet AstroBase, LS, LT6 Cyl 4.3 L GAS
    1996-2005 Chevrolet BlazerBase, LS, Xtreme, ZR26 Cyl 4.3 L GAS
    1996-1998 Chevrolet C1500Base, Cheyenne, Silverado, WT6 Cyl 4.3 L GAS
    1996-2002 Chevrolet Express 2500Base, LS6 Cyl 4.3 L GAS
    1996-1998 Chevrolet K1500Base, Cheyenne, Silverado, WT6 Cyl 4.3 L GAS
    1996-2004 Chevrolet S10Base, LS, SS, Xtreme, ZR2, ZR54 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
    2007, 1999-2002 Chevrolet Silverado 1500Base, LS, LT, WT6 Cyl 4.3 L GAS
    1996-1998 GMC C1500Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special6 Cyl 4.3 L GAS
    1996-2001 GMC JimmyBase, SL, SLS6 Cyl 4.3 L GAS
    1996-1998 GMC K1500Sierra SL, Sierra SLE, Sierra SLT, Sierra Special6 Cyl 4.3 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is this 12554145 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12554145 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be avoided while the engine is hot for the 2000 Chevrolet Astro? Posted by Customer
    A:
    Avoid removing the radiator cap or surge tank cap to prevent burns from scalding fluid and steam.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What should be done with the cooling system before removing the ECT sensor for the 2004 Chevrolet Blazer? Posted by Customer
    A:
    Drain the cooling system below the level of the ECT sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What is the final step in the process for the 2005 Chevrolet Blazer? Posted by Customer
    A:
    Connect the negative battery cable.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    How should the threads of the ECT sensor be prepared for installation for the 2002 Chevrolet Express 2500? Posted by Customer
    A:
    Coat the threads with sealer GM P/N 9985253 or equivalent.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What should be done after turning off the ignition for the 2002 Chevrolet S10? Posted by Customer
    A:
    Loosen the wing nuts on the air cleaner cover and air cleaner outlet duct, then move the air intake assembly aside.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What is the next step after draining the cooling system for the 2000 GMC Jimmy? Posted by Customer
    A:
    Disconnect the ECT sensor harness connector and remove the ECT sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What should be done with the coolant before removing the ECT sensor for the 2001 GMC Safari? Posted by Customer
    A:
    Drain the coolant below the level of the ECT sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What should be done after connecting the ECT sensor harness connector for the 2001 GMC Jimmy? Posted by Customer
    A:
    Refill the cooling system.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What should be done after moving the air intake assembly aside for the 2003 GMC Sonoma? Posted by Customer
    A:
    Drain the cooling system below the level of the engine coolant temperature (ECT) sensor and disconnect the ECT sensor harness connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    Q:
    What should be done after draining the cooling system for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Disconnect the engine wiring harness electrical connector from the engine coolant temperature (ECT) sensor and remove the ECT sensor from the cylinder head.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Coolant Temperature Sensor
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12554145, Excellent Performance and Perfect Fitment

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