How to service the knock sensor (KS) on Ford Mustang?

Service of the knock sensor requires disconnecting the battery ground cable as the first step. First separate the intake manifold while disconnecting the KS electrical connector. The service of the KS starts with removing the bolt and extracting the sensor from its position. Reinstall the KS while tightening it to 20 Nm (15 lb-ft) according to the removal procedure in reverse order.

OEM Ford Mustang Knock Sensor

Engine Knock Sensor

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8 Knock Sensors found

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Ford Mustang Knock Sensor
Part Number: AL3Z-12A699-A
$25.65 MSRP: $39.69
You Save: $14.04 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: AL3Z-12A699-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ford Mustang | Boss 302, Bullitt, EcoBoost, EcoBoost Premium, GT, GT 50 Years Limited Edition, GT Premium, Mach 1, Shelby GT350, Shelby GT350R, Shelby GT500 | 4 Cyl 2.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Mustang Knock Sensor
Part Number: 2R3Z-12A699-AA
$28.65 MSRP: $44.33
You Save: $15.68 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010 Ford Mustang | Shelby GT500 | 8 Cyl 5.4 L GAS
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Ford Mustang Knock Sensor
Part Number: 1S7Z-12A699-BB
$44.85 MSRP: $70.00
You Save: $25.15 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor; Sensor
- Replaces: 1S7Z-12A699-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
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Ford Mustang Knock Sensor
Part Number: 4L3Z-12A699-AA
$55.59 MSRP: $88.27
You Save: $32.68 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Ford Mustang | Bullitt, GT, Shelby GT, Shelby GT500, Shelby GT500KR | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
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Ford Mustang Knock Sensor
Part Number: 1L2Z-12A699-AA
$105.23 MSRP: $167.09
You Save: $61.86 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Manufacturer Note: Dual headed Bolt on type sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2009 Ford Mustang | Bullitt, GT, Shelby GT | 8 Cyl 4.6 L GAS
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Ford Mustang Knock Sensor
Part Number: 7T4Z-12A699-A
$68.21 MSRP: $108.31
You Save: $40.10 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: 7T4Z-12A699-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford Mustang | Base, V6 | 6 Cyl 3.7 L GAS
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Ford Mustang Knock Sensor
Part Number: XL3Z-12A699-BA
$43.14 MSRP: $67.33
You Save: $24.19 (36%)
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Base | 6 Cyl 4.0 L GAS
View related parts
Ford Mustang Knock Sensor
Part Number: JR3Z-12A699-A
$21.46 MSRP: $33.20
You Save: $11.74 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | Dark Horse, Dark Horse Premium, EcoBoost, EcoBoost Premium, GT, GT Premium | 4 Cyl 2.3 L GAS, 8 Cyl 5.0 L GAS

Ford Mustang Knock Sensor

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Ford Mustang Knock Sensor Parts Questions & Experts Answers

Knock Sensor
1L2Z-12A699-AA
Q: How to service the knock sensor (KS) on Ford Mustang?
A: Service of the knock sensor requires disconnecting the battery ground cable as the first step. First separate the Intake Manifold while disconnecting the KS electrical connector. The service of the KS starts with removing the bolt and extracting the sensor from its position. Reinstall the KS while tightening it to 20 Nm (15 lb-ft) according to the removal procedure in reverse order.