How to remove and install knock sensors in Hyundai Santa Fe?

For COOL models, the knock sensor is mounted on cylinder head side of the engine block at positions close to the CTP. First, remove the cable involving the negative terminal of the battery and then the knock sensor electrical connection as well as the knock sensor physically being loosened from the engine. Its removal is as simple as installation process, the only difference being that instead of covering the screw-threads, they are uncovered. For the V6 models, the knock sensors are located right at the valley of the cylinder head and to get to them; the tower intake manifold has to be unstalled. The initial step that should be followed is to remove the cable from the negative battery terminal, and next the upper and lower intake manifolds. Next, remove the bolts that hold the knock sensors; meanwhile, remove the electrical connectors of the knock sensors and the wiring harness retainers from the engine block. Removal is done in the reverse order to installation.

Genuine Hyundai Santa Fe Knock Sensor

Engine Knock Sensor

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13 Knock Sensors found

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Hyundai Santa Fe Sensor Assembly-Knock
Part Number: 39250-2G100
$71.43 MSRP: $100.35
You Save: $28.92 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Knock Sensor
- Replaces: 39250-2G000
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2019-2020 Hyundai Santa Fe | DOHC - GDI | Wagon - 5Door 5P
- 2009-2012 Hyundai Santa Fe | DOHC - MPI | Wagon - 5Door 5P
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Hyundai Santa Fe Sensor-Knock
Part Number: 39250-2G700
$69.91 MSRP: $98.23
You Save: $28.32 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Knock Sensor
- Replaces: 39250-2G200
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2019-2020 Hyundai Santa Fe | DOHC - TCI/GDI | Wagon - 5Door 5P
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Hyundai Santa Fe Sensor Assembly-Knock
Part Number: 39250-37150
$106.48 MSRP: $149.60
You Save: $43.12 (29%)
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Product Specifications
- Other Name: Knock Sensor
- Manufacturer Note: LH
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2000-2006 Hyundai Santa Fe | High Grade, Middle Grade | 5 Door Wagon
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Hyundai Santa Fe Sensor-Knock,LH
Part Number: 39320-3C200
$89.49 MSRP: $125.73
You Save: $36.24 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2009-2018 Hyundai Santa Fe | DOHC - GDI, DOHC - MPI | Wagon - 5Door 5P, Wagon - Long 5Door 6P, Wagon - Long 5Door 7P
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Hyundai Santa Fe Sensor-Knock,RH
Part Number: 39320-3C300
$89.49 MSRP: $125.73
You Save: $36.24 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2009-2018 Hyundai Santa Fe | DOHC - GDI, DOHC - MPI | Wagon - 5Door 5P, Wagon - Long 5Door 6P, Wagon - Long 5Door 7P
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Hyundai Santa Fe Sensor-Knock
Part Number: 39320-35561
$126.56 MSRP: $177.81
You Save: $51.25 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2000-2006 Hyundai Santa Fe | High Grade, Middle Grade | 5 Door Wagon
View related parts
Hyundai Santa Fe Sensor-Knock
Part Number: 39250-37100
$108.95 MSRP: $153.06
You Save: $44.11 (29%)
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Manufacturer Note: RH
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2000-2006 Hyundai Santa Fe | High Grade, Middle Grade | 5 Door Wagon
View related parts
Hyundai Santa Fe Sensor-Knock,LH
Part Number: 39250-3E120
$103.34 MSRP: $145.19
You Save: $41.85 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2006-2009 Hyundai Santa Fe | High Grade, Middle Grade | DOHC - MPI | 5 Door Wagon, 5 Door Wagon 7, Wagon - 5Door 5P, Wagon - 5Door 7P
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Hyundai Santa Fe Sensor-Knock,RH
Part Number: 39250-3E110
$103.34 MSRP: $145.19
You Save: $41.85 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2006-2009 Hyundai Santa Fe | High Grade, Middle Grade | DOHC - MPI | 5 Door Wagon, 5 Door Wagon 7, Wagon - 5Door 5P, Wagon - 5Door 7P
View related parts
Hyundai Santa Fe Sensor-Knock
Part Number: 39250-2S000
$87.24 MSRP: $122.56
You Save: $35.32 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2021-2023 Hyundai Santa Fe | DOHC - GDI | Wagon - 5Door 5P
View related parts
Hyundai Santa Fe Sensor Assembly-Knock
Part Number: 39250-2S200
$94.58 MSRP: $132.89
You Save: $38.31 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2021-2023 Hyundai Santa Fe | DOHC - TCI/GDI | Wagon - 5Door 5P
View related parts
Hyundai Santa Fe Sensor-Knock
Part Number: 39510-38021
$126.56 MSRP: $177.81
You Save: $51.25 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Replaces: 39510-38020
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2000-2006 Hyundai Santa Fe | High Grade, Middle Grade | 5 Door Wagon
View related parts
Hyundai Santa Fe Sensor-Knock,RH
Part Number: 39320-3C000
$116.98 MSRP: $164.35
You Save: $47.37 (29%)
Product Specifications
- Other Name: Knock Sensor
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2006-2009 Hyundai Santa Fe | High Grade, Middle Grade | DOHC - MPI | 5 Door Wagon, 5 Door Wagon 7, Wagon - 5Door 5P, Wagon - 5Door 7P

Hyundai Santa Fe Knock Sensor

The Hyundai Santa Fe Knock Sensor protects the engine by identifying combustion knock and allowing the computer to fine-tune spark timing for smooth power. This engine Knock Sensor mounted on the block utilizes a piezoelectric element that converts vibration into voltage. The control module studies the Knock Sensor signal, which further processes and trims advance in tiny steps until rattle stops. Ultimately, it slowly restores timing so performance and economy stay high. The Santa Fe editions produced in the early years have only one range sensor. The modern Santa Fe editions have smarter circuitry that now reads each cylinder individually. This gives the vehicle a quicker reaction and better defense when fuel quality varies. The Knock Sensor, irrespective of year, works in a feedback loop utilizing crank and cam signals that prevent damage from engine knock, power loss, and excessive emissions on Hyundai engines. If the Knock Sensor fails, the module stores a fault code and reverts to a cautious spark map. Consequently, the throttle response becomes dull until a new fault-free Hyundai replacement restores complete control and keeps all Hyundai Santa Fes driving with confidence.

If you are looking for affordable high-quality OEM Hyundai Santa Fe Knock Sensor, then you have come to the prime place. Our website provides a large amount of genuine Hyundai Santa Fe Knock Sensor at unbeatable prices. All our parts come backed with the manufacturer's warranty.

Hyundai Santa Fe Knock Sensor Parts Questions & Experts Answers

Sensor Assembly-Knock
39250-2G100
Q: How to remove and install knock sensors in Hyundai Santa Fe?
A:
For COOL models, the knock sensor is mounted on cylinder head side of the engine block at positions close to the CTP. First, remove the cable involving the negative terminal of the battery and then the knock sensor electrical connection as well as the knock sensor physically being loosened from the engine. Its removal is as simple as installation process, the only difference being that instead of covering the screw-threads, they are uncovered. For the V6 models, the knock sensors are located right at the valley of the cylinder head and to get to them; the tower intake manifold has to be unstalled. The initial step that should be followed is to remove the cable from the negative battery terminal, and next the upper and lower intake manifolds. Next, remove the bolts that hold the knock sensors; meanwhile, remove the electrical connectors of the knock sensors and the wiring harness retainers from the engine block. Removal is done in the reverse order to installation.