Make sure this part fits

GM 12591312
Knock Sensor

2001-2007 GM

Customer Questions & Expert Answers (12)
GM 12591312 Knock Sensor
GM 12591312 Knock Sensor
  • Part Description
    Sensor, Distributor (Also Knock Sensor)
  • Replaces
    10456500
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2001-2002 Chevrolet Express 3500Base, LS8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 2500 HD ClassicLS, LT, WT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 3500 ClassicLS, LT, WT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Suburban 2500Base, LS, LT8 Cyl 8.1 L GAS
    2001-2002 GMC Savana 3500Base, SLT8 Cyl 8.1 L GAS
    2001-2006 GMC Sierra 2500 HDBase, SL, SLE, SLT, WT8 Cyl 8.1 L GAS
    2007 GMC Sierra 2500 HD ClassicSL, SLE, SLT, WT8 Cyl 8.1 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12591312 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12591312 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Knock Sensor (KS) 1 on Chevrolet Avalanche 2500? Posted by Customer
    A:
    A KS 1 replacement procedure begins by elevating the vehicle. To remove the Knock Sensor (KS) 1 begin by disconnecting its wiring harness connector from the KS followed by removing the KS from the engine block. Follow the installation guidelines from the Service Precautions section of the Fastener Notice. Place the KS in the engine block opening then adjust its torque setting to 19 N.m (14 lb ft). Complete the installation by connecting the knock sensor harness connector to the KS.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the first step to replace the Knock Sensor (KS) 2 for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    First, drain the cooling system/engine block.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after installing the knock sensors for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Connect the knock sensor electrical connectors and push down on the rubber covers.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace the knock sensor for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    First, remove the intake manifold.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after raising the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Disconnect the wiring harness connector from the KS and remove the KS from the engine block.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be ensured before raising for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Follow vehicle lifting precautions.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be ensured before raising for the 2001 GMC Savana 3500? Posted by Customer
    A:
    Follow vehicle lifting precautions.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the final step after installing the new knock sensor for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Connect the knock sensor electrical connector and fill the cooling system/engine block.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after installing the knock sensor for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Connect the engine wiring harness electrical connector to the knock sensor and reinstall the left front wheel and tire.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What should be done after draining the cooling system for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Disconnect the knock sensor electrical connector and remove the knock sensor.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Knock Sensor
    Q:
    What is the first step to replace Knock Sensor 2 for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the right front wheel and tire.
    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 Knock Sensor 12591312 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12591312 Knock Sensor is available in the market under the name GM Knock Sensor. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12591312 Knock Sensor fits certain Chevrolet Silverado 2500 HD, Express 3500, Silverado 3500 models, as well as GMC Sierra 2500 HD, Savana 3500, Sierra 3500 models.
The original GM component designated by manufacturer part number 12591312 maintains top performance when functioning as the Sensor, Distributor (Also Knock Sensor) unit. The component 12591312 is constructed from durable material and its dimensions span 3.0 x 2.1 x 1.7 inches while weighing 0.50 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 12591312 has available replacement options 10456500. Each vehicle needs 2 units of the part marked as SKU 12591312. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.