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GM 12618603
Knock Sensor

2004-2009 GM

Customer Questions & Expert Answers (28)
GM 12618603 Knock Sensor
GM 12618603 Knock Sensor
GM 12618603 Knock Sensor
GM 12618603 Knock Sensor
GM 12618603 Knock Sensor
GM 12618603 Knock Sensor
  • Part Description
    Sensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
  • Replaces
    12566845
  • Manufacturer
    General Motors
Make sure this part fits
$37.07 MSRP: $69.61
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • 2008 Chevy Malibu Knock Sensor Diagram for 12618603
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12618603

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12618603
    Part DescriptionSensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
    Item Dimensions2.6 x 2.6 x 2.2 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12566845
    ManufacturerGeneral Motors
    SKU12618603
    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
    2008 Buick EnclaveCX, CXL6 Cyl 3.6 L GAS
    2005-2008 Buick LaCrosseCXS6 Cyl 3.6 L GAS
    2004-2005 Buick RendezvousCXL, CXL Plus, Ultra6 Cyl 3.6 L GAS
    2004-2008 Cadillac CTSBase6 Cyl 2.8 L GAS, 6 Cyl 3.6 L GAS
    2004-2008 Cadillac SRXBase6 Cyl 3.6 L GAS
    2005-2008 Cadillac STSBase, Platinum6 Cyl 3.6 L GAS
    2008-2009 Chevrolet EquinoxSport6 Cyl 3.6 L GAS
    2008 Chevrolet MalibuLT, LTZ6 Cyl 3.6 L GAS
    2007-2008 GMC AcadiaSLE, SLT6 Cyl 3.6 L GAS
    2007-2008 Pontiac G6GTP, GXP6 Cyl 3.6 L GAS
    View More

  • Customer Questions & Expert Answers

    Q:
    Is this 12618603 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12618603 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Bank 1 knock sensor on Buick Enclave? Posted by Customer
    A:
    Begin your Bank 1 knock sensor replacement by taking off the exhaust manifold lower heat shield. Before beginning the replacement process disconnect the engine wiring harness electrical connector that connects to the bank 1 knock sensor . The knock sensor needs its bolt loosened before being pulled out. Position your new knock sensor correctly after which tighten the knock sensor bolt to a torque of 23 N.m (17 lb ft). Reconnect the engine wiring harness electrical connector to the bank 1 knock sensor followed by installation of the exhaust manifold lower heat shield.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the bank 2 knock sensor on Buick Enclave? Posted by Customer
    A:
    Begin by disconnecting the negative cable from the battery and removing the Oil Filter. You must disconnect the engine wiring harness electrical connector from the bank 2 Knock Sensor while lowering the vehicle. First loosen the Knock Sensor bolt for removal of the Knock Sensor. Install the new Knock Sensor by positioning it correctly and tighten the Knock Sensor bolt until it reaches 23 n.m of torque (17 lb ft). Connect the bank 2 Knock Sensor to its wiring harness electrical connector before you raise and properly support the vehicle. Set up a new engine Oil Filter then attach the negative cable to the battery.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the knock sensor for Bank 2 on Cadillac CTS? Posted by Customer
    A:
    Begin by turning off the ignition and supporting the vehicle before proceeding with the Knock Sensor for Bank 2 replacement. You need to first remove the wiring harness heat shield that covers the oil level indicator tube so you can access it. Then disconnect the knock sensor electrical connector while removing its bolt to separate the knock sensor from the rest of the system. For installation follow the Fastener Notice guidelines while precisely positioning the new KS. Install the bolt onto the KS, tightening it to 23 N.m (17 lb ft) and then connect the KS electrical connector before replacing the wiring harness heat shield on the oil level indicator tube while lowering the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Bank 1 knock sensor on GMC Acadia? Posted by Customer
    A:
    To replace the bank 1 knock sensor, un-install the exhaust manifold lower heat shield. Next, remove the engine wiring harness electrical connector from bank 1 knock sensor . Unbolt the knock sensor and take the knock sensor off. For installation, mount the new back knock sensor and lock it to the sensor bolt (23 N.m. or 17 lb ft). Finally, reestablish a link with the bank 1 knock sensor and reconnect the engine wiring harness electrical connector and place the exhaust manifold lower heat shield back.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the bank 2 knock sensor on GMC Acadia? Posted by Customer
    A:
    To replace the bank 2 knock sensor, one, lift and support the vehicle. Uncouple the engine wiring harness cease that pulls the bank 2 knock sensor. Release the bolt of the knock sensor and remove it. To install, fit the knock sensor, and torque the knock sensor bolt to 23 N.m (17 lb ft). Then, install the engine wiring harness electrical connector onto the bank 2 knock sensor then lower the vehicle.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done to access the KS for the 2008 Buick LaCrosse? Posted by Customer
    A:
    Reposition the wiring harness heat shield for access.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after installing the new KS for the 2005 Buick LaCrosse? Posted by Customer
    A:
    Reconnect the KS electrical connector and reinstall the wiring harness heat shield onto the oil level indicator tube before lowering the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done to gain access to the KS for the 2005 Buick LaCrosse? Posted by Customer
    A:
    Reposition the wiring harness heat shield.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace the Knock Sensor (KS) on Bank 1 for the 2005 Cadillac SRX? Posted by Customer
    A:
    Turn the ignition OFF and raise and support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the next step after removing the heat shield for the 2006 Cadillac SRX? Posted by Customer
    A:
    Disconnect the KS electrical connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    How should the new KS be installed for the 2007 Buick LaCrosse? Posted by Customer
    A:
    Place the new KS in position, ensuring to follow the Fastener Notice, and secure it with the KS bolt.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace the Knock Sensor (KS) for the 2005 Buick Rendezvous? Posted by Customer
    A:
    Turn OFF the ignition and raise the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after disconnecting the electrical connector for the 2007 Cadillac CTS? Posted by Customer
    A:
    Remove the KS bolt and take out the KS.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after securing the KS for the 2008 Cadillac CTS? Posted by Customer
    A:
    Reconnect the KS electrical connector and restore the wiring harness heat shield to its original position.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the final step in the replacement process for the 2004 Cadillac CTS? Posted by Customer
    A:
    Reinstall the accessory mounting bracket and connect the knock sensor pigtail to the electrical connector and bracket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace the Knock Sensor (KS) for Bank 2 for the 2005 Cadillac CTS? Posted by Customer
    A:
    Turn the ignition OFF and raise and support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be checked after installing the KS for the 2007 Cadillac SRX? Posted by Customer
    A:
    Ensure the KS wiring harness is correctly installed.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done to the mating surfaces before installing the new KS for the 2007 Cadillac SRX? Posted by Customer
    A:
    Thoroughly clean the mating surfaces of the KS and the engine block, ensuring the entire contact surface of the KS lies directly on the engine block.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    How do you remove the KS for the 2004 Cadillac SRX? Posted by Customer
    A:
    Remove the KS bolt and take out the KS.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    How do you remove the KS for the 2007 Cadillac STS? Posted by Customer
    A:
    Remove the KS bolt and take out the KS.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after securing the KS for the 2008 Cadillac STS? Posted by Customer
    A:
    Reconnect the KS electrical connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    How should the KS be installed for the 2005 Cadillac STS? Posted by Customer
    A:
    Install the KS and bolt, taking care not to use washers, spring washers, or toothed washers during installation, and tighten the bolt to 20 N.m (15 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    How should the KS and bolt be installed for the 2006 Cadillac STS? Posted by Customer
    A:
    Install the KS and bolt, taking care not to use washers, spring washers, or toothed washers during installation, and tighten the bolt to 20 N.m (15 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace the Knock Sensor for Bank 1 for the 2008 Chevrolet Equinox? Posted by Customer
    A:
    Raise and support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be avoided when installing the new knock sensor for the 2009 Chevrolet Equinox? Posted by Customer
    A:
    Do not apply threadlocker to the sensor threads, as they are factory-coated.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace the knock sensor for the 2008 Chevrolet Malibu? Posted by Customer
    A:
    Raise and support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace Knock Sensor 2 for the 2006 Cadillac STS? Posted by Customer
    A:
    First, remove the supercharger assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock 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 12618603, Excellent Performance and Perfect Fitment

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