Infiniti FX50 Knock Sensors

Your Infiniti FX50 will be happy to know that the search for the right Knock Sensors you’ve been looking for is over! Advance Auto Parts has 3 different Knock Sensors for your vehicle, ready for shipping or in-store pick up. The best part is, our Infiniti FX50 Knock Sensors start from as little as $104.99.

When it comes to your Infiniti FX50, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Knock Sensors brands so you can shop with complete confidence. Some of our top Knock Sensors brands are Carquest Premium and Febi. We’re sure you will get the right product to keep that FX50 running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Knock Sensors for your FX50, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 20 Infiniti Knock Sensors

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3673)

Ignition Knock (Detonation) Sensor

from

$56.99
MotoRad Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3697)

Ignition Knock (Detonation) Sensor

from

$41.99
MotoRad Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3731)

Ignition Knock (Detonation) Sensor

from

$137.99
MotoRad Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3756)

Ignition Knock (Detonation) Sensor

from

$116.99
MotoRad Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3929)

Ignition Knock (Detonation) Sensor

from

$112.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1047)

Ignition Knock (Detonation) Sensor

from

$104.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Hitachi – Knock Sensor – New Actual OE Part (Part No.KNS0001)

Knock Sensor - New Actual OE Part

from

$78.99
Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters. Hitachi sensor line supports accurate measurement for reliable engine performance.

Product Features:
  • Hitachi is a Tier 1 OE supplier for knock sensors
  • 100% NEW, never remanufactured
  • Meets the OE performance and durability standards for this application
  • Accurate and reliable measurements
  • Provides accurate measurement; reliable engine performance.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4313)

Ignition Knock (Detonation) Sensor

from

$111.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1058)

Ignition Knock (Detonation) Sensor

from

$404.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1059)

Ignition Knock (Detonation) Sensor

from

$388.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1051)

Ignition Knock (Detonation) Sensor

from

$317.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Delphi – Knock Sensor (Part No.AS10128)

Knock Sensor

from

$173.99
Manufactured to meet or exceed OE requirements; Delphi Knock Sensors help maximize engine performance with all fuels; Delphi Knock Sensors prevent against engine damage from pre-ignition knocking.

Product Features:
  • Delphi knock sensors help maximize engine performance with all fuels
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
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Febi – Knock Sensor (Part No.F60203329459FEB)

Knock Sensor

from

$149.99
Knock Sensor

Carquest Premium – Knock Sensor (Part No.EKC1015)

Knock Sensor

from

$148.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Hitachi – Hitachi Knock Sensor (Part No.F602058285HIT)

Hitachi Knock Sensor

from

$138.93
The Hitachi OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1035)

Ignition Knock (Detonation) Sensor

from

$129.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Encore Automotive – Genuine OE Ignition Knock (Detonation) Sensor (Part No.SKS-J50002)

Genuine OE Ignition Knock (Detonation) Sensor

from

$117.99
Encore Automotive Genuine OE knock sensor detects excessive/unusual pulses caused by the engine ignition and makes proper adjustments to reduce the risk of damaging pistons. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.

Product Features:
  • Genuine OE Part
  • Highly accurate engine vibration detection
  • Excellent material quality
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Encore Automotive – Genuine OE Ignition Knock (Detonation) Sensor (Part No.SKS-J50012)

Genuine OE Ignition Knock (Detonation) Sensor

from

$113.99
Encore Automotive Genuine OE knock sensor detects excessive/unusual pulses caused by the engine ignition and makes proper adjustments to reduce the risk of damaging pistons. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.

Product Features:
  • Genuine OE Part
  • Highly accurate engine vibration detection
  • Excellent material quality
See More

Delphi – Knock Sensor (Part No.AS10271)

Knock Sensor

from

$99.99
Manufactured to meet or exceed OE requirements; Delphi Knock Sensors help maximize engine performance with all fuels; Delphi Knock Sensors prevent against engine damage from pre-ignition knocking.

Product Features:
  • Delphi knock sensors help maximize engine performance with all fuels
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with 2-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
See More

FAE – FAE Knock Sensor (Part No.F6020426190FAE)

FAE Knock Sensor

from

$91.84
The FAE OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
See More

FAQs for Infiniti FX50 Knock Sensors

What are the most popular Knock Sensors for the Infiniti FX50?

With 2 brands you can trust, our most popular Knock Sensors for the Infiniti FX50 are:
Ignition Knock (Detonation) Sensor
from $104.99
This product is not rated
Ignition Knock (Detonation) Sensor
Knock Sensors
Knock Sensor
from $148.99
This product is not rated
Knock Sensor
Knock Sensors
Knock Sensor
from $149.99
This product is not rated
Knock Sensor
Knock Sensors