How to replace the Knock Sensor (KS) 2 on Buick Regal?

Begin the ks 2 replacement procedure by elevating and securely supporting your vehicle. Start by draining the cooling system before removing the Knock Sensor heat shield's two retaining bolts. The Knock Sensor requires its electrical connector along with itself to be removed. The manufacturer already applies thread coating to the sensor which means adding thread sealant is unnecessary during installation. Install the Knock Sensor with 19 n.m (14 lb ft) of torque. Replace the heat shield while securing the bolts using 60 n.m of torque (44 lb ft of torque). Connect the electrical connector to replace the vehicle's lowered position then add coolant to the system.

OEM Buick Regal Knock Sensor

Engine Knock Sensor

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8 Knock Sensors found

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Buick Regal Knock Sensor Part Number: 12621820
$17.52 MSRP: $32.90
You Save: $15.38 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
- Replaced by: 19434675
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2013 Buick Regal | CXL, GS, Premium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.4 L GAS
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Buick Regal Knock Sensor Part Number: 12623095
$23.43 MSRP: $44.02
You Save: $20.59 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2017 Buick Regal | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
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Buick Regal Knock Sensor Part Number: 12591625
$67.91 MSRP: $137.92
You Save: $70.01 (51%)
Ships in 1-2 Business Days
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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:
- 1996-2004 Buick Regal | 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.8 L GAS
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Buick Regal Knock Sensor Part Number: 12729597
$19.80 MSRP: $37.18
You Save: $17.38 (47%)
Ships in 1-2 Business Days
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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:
- 2011-2017 Buick Regal | Base, CXL, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Regal Knock Sensor Part Number: 10456019
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1993 Buick Regal | Custom, Gran Sport, Limited | 6 Cyl 3.8 L GAS
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Buick Regal 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:
- 1996 Buick Regal | Custom | 6 Cyl 3.1 L GAS
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Buick Regal Knock Sensor Part Number: 10456204
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Buick Regal | Custom, Gran Sport, Limited | 6 Cyl 3.8 L GAS
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Buick Regal Knock Sensor Part Number: 10456208
$62.55 MSRP: $111.70
You Save: $49.15 (44%)
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Buick Regal | Custom, Limited | 6 Cyl 3.1 L GAS

Buick Regal 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 Buick Regal parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick Regal 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 is a paramount unit, which indicates dependability and efficiency of Buick automobiles. This high-end sensor is very significant in identifying the engine knock while sending signals directly to the powertrain control module for the necessary change in ignition timing. This technology known as piezoelectric has been applied on the Knock Sensor to enable measurement of pressure spikes which correspond to knock. This capability apart from providing the premier engine power also provides the premier fuel economy especially when using lower octane rating fuels. One of the outstanding inventions is the use of DigitalDER for manufacturing mid-sized luxury cars such as the Buick Regal and offering comfortable power efficient experience to the drivers. Designed for a wide range of Regal models, the Knock Sensor contributes to the car's safe driving by reducing the possibilities of the engine destruction and increasing its durability regardless the type of driving. Special mention needs to be made of the ability to manage the operation of the engine in relation to timings for each of the cylinders; it takes the Buick Regal to new heights of performance. The Knock Sensor can easily be distinguished in the market due to the effectiveness it has and the importance which it possesses in the Buick automobiles for the efficient as well as safe running of the automobile engine. Known and beloved since 1973, the Buick Regal demonstrates constant growth-that's why such components, as the Knock Sensor, are critical when it comes to the Buick brand.

Buick Regal Knock Sensor Parts Questions & Experts Answers

Knock Sensor
12591625
Q: How to replace the Knock Sensor (KS) 2 on Buick Regal?
A:
Begin the ks 2 replacement procedure by elevating and securely supporting your vehicle. Start by draining the cooling system before removing the Knock Sensor heat shield's two retaining bolts. The Knock Sensor requires its electrical connector along with itself to be removed. The manufacturer already applies thread coating to the sensor which means adding thread sealant is unnecessary during installation. Install the Knock Sensor with 19 n.m (14 lb ft) of torque. Replace the heat shield while securing the bolts using 60 n.m of torque (44 lb ft of torque). Connect the electrical connector to replace the vehicle's lowered position then add coolant to the system.