How to service the knock sensor on Chevrolet Impala?

You must disable ignition power before you can lift the car through appropriate restraining systems. First unplug the wiring harness connector from the KS before extracting the KS out of the engine block. Installation of the new KS should avoid any thread sealant on sensor threads since they come factory pre-coated and extra sealant can reduce detonation detection capability. Fasten the new KS into the engine block while applying 19 N.m of torque (14 lb ft). Lower the vehicle while connecting the KS wiring harness connector to the KS.

How to replace the Knock Sensor (KS) 1 on Chevrolet Impala?

To replace the Knock Sensor (KS) 1, first lift and support the vehicle raising and also empty the cooling system. Unplug the knock sensor electrical connector and take out the knock sensor. During the instillation of the new knock sensor; application of thread sealant to the sensor threads is based on its already factory-coated; anything extra will make it unable to detect detonation. Make sure to tighten the knock sensor to 19 N.m (14 lb ft). After installing, reattach the knock sensor electrical connector, lower the car, fill the cooling system.

OEM Chevrolet Impala Knock Sensor

Engine Knock Sensor

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

7 Knock Sensors found

View related parts
Chevrolet Impala Knock Sensor Part Number: 10456126
$39.48 MSRP: $80.18
You Save: $40.70 (51%)
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Electric Spark Control Knock; Control Module; Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Chevrolet Impala | SS | 8 Cyl 5.7 L GAS
View related parts
Chevrolet Impala Knock Sensor Part Number: 12623730
$13.47 MSRP: $25.30
You Save: $11.83 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
- Replaces: 12570125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Chevrolet Impala | 50th Anniversary Edition, LS, LT, LTZ, Police, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS, 8 Cyl 5.3 L GAS
View related parts
Chevrolet Impala Knock Sensor Part Number: 12623095
$23.43 MSRP: $44.02
You Save: $20.59 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Chevrolet Impala | LS, LT, LTZ | 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
View related parts
Chevrolet Impala Knock Sensor Part Number: 12591625
$67.91 MSRP: $137.92
You Save: $70.01 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaces: 10456215
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Chevrolet Impala | Base, LS, LS Sport, Police, SS | 6 Cyl 3.8 L GAS
View related parts
Chevrolet Impala Knock Sensor Part Number: 12729597
$18.81 MSRP: $35.32
You Save: $16.51 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Camshaft Sensor
- Replaces: 12692505, 12605738, 12636736
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2020 Chevrolet Impala | Eco, LS, LT, LTZ, Police, Premier | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L BI-FUEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
Chevrolet Impala Knock Sensor Part Number: 10456287
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Control Module; ESC Sensor; Sensor
- Replaces: 10456017
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Chevrolet Impala | SS | 8 Cyl 5.7 L GAS
View related parts
Chevrolet Impala Knock Sensor Part Number: 10456238
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Chevrolet Impala | Base | 6 Cyl 3.4 L GAS

Chevrolet Impala Knock Sensor

Want to cut long-term maintenance and repair costs? Choose OEM Knock Sensor. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Chevrolet Impala parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Impala Knock Sensor includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

Knock Sensor in Chevrolet Impala automobiles is a vital part that measures engine knock and communicates this to the PCM so that right timing modifications can be made. Generally piezoelectric the sensor transforms mechanically induced pressure waves that represent knock into electric signals. This makes it enable the right timing adjust to enhance the performance and avoiding the destruction of the engine even when in use with low octane fuels. Sophisticated management can manage the period for any nozzle or cylinder and even the boost pressure to optimise the engine's performance under various conditions while at the same time increasing its durability. Knock sensors mounted on the Chevrolet Impala models serve as significant components that help keep the engine as well protected from destructive detonation.

Chevrolet Impala Knock Sensor Parts and Q&A

Knock Sensor
10456238
Q: How to service the knock sensor on Chevrolet Impala?
A:
You must disable ignition power before you can lift the car through appropriate restraining systems. First unplug the wiring harness connector from the KS before extracting the KS out of the engine block. Installation of the new KS should avoid any thread sealant on sensor threads since they come factory pre-coated and extra sealant can reduce detonation detection capability. Fasten the new KS into the engine block while applying 19 N.m of torque (14 lb ft). Lower the vehicle while connecting the KS wiring harness connector to the KS.
Knock Sensor
12591625
Q: How to replace the Knock Sensor (KS) 1 on Chevrolet Impala?
A:
To replace the Knock Sensor (KS) 1, first lift and support the vehicle raising and also empty the cooling system. Unplug the knock sensor electrical connector and take out the knock sensor. During the instillation of the new knock sensor; application of thread sealant to the sensor threads is based on its already factory-coated; anything extra will make it unable to detect detonation. Make sure to tighten the knock sensor to 19 N.m (14 lb ft). After installing, reattach the knock sensor electrical connector, lower the car, fill the cooling system.