How to service the Knock Sensor (KS) on a 4.6L (3V) engine on Ford F-150?

In order to service the Knock Sensor (KS) on a 4.6L (3V) engine, begin by disassembly of the intake manifold. Next, remove the bolts that hold the KS by removing the KS electrical connector. Installation When assembling the new KS, fasten the bolts to 20 Nm (177 lb-in) and undo the steps of assembling to complete the installation.

How to service the knock sensor (KS) on Ford F-150?

In order to service the knock sensor, put the vehicle in neutral on a hoist and remove the battery ground. Take off the bolt of the fuel tube bracket, disconnect the electrical connector of the knock sensor and take away the securing bolt. Install the new sensor and screw the bolt tight 20 Nm and repeat the process.

OEM Ford F-150 Knock Sensor

Engine Knock Sensor

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12 Knock Sensors found

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Ford F-150 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:
- 2010-2017 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lariat Limited, Platinum, SSV, STX, SVT Raptor, XL, XLT | 8 Cyl 5.0 L FLEX, 8 Cyl 6.2 L GAS
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Ford F-150 Knock Sensor Part Number: XL3Z-12A699-AA
$36.36 MSRP: $56.75
You Save: $20.39 (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:
- 2004-2010, 1998-2002 Ford F-150 | Base, FX2, Harley-Davidson Edition, King Ranch, Lariat, Lightning, STX, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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Ford F-150 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:
- 2005-2008 Ford F-150 | STX, XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 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:
- 2004-2010 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Limited, Platinum, SVT Raptor, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Ford F-150 Knock Sensor Part Number: FT4Z-12A699-C
$51.50 MSRP: $81.78
You Save: $30.28 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaced by: FT4Z-12A699-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford F-150 | Lariat, XL, XLT | 6 Cyl 2.7 L GAS
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Ford F-150 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:
- 2009-2010 Ford F-150 | FX2, STX, XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 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:
- 2018-2023 Ford F-150 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Knock Sensor Part Number: ML3Z-12A699-B
$152.40 MSRP: $242.00
You Save: $89.60 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: ML3Z-12A699-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, Tremor, XL, XLT | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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Ford F-150 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:
- 2011-2023 Ford F-150 | FX2, FX4, King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, STX, XL, XLT | 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L CNG, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L LPG
View related parts
Ford F-150 Knock Sensor Part Number: FT4Z-12A699-D
$51.50 MSRP: $81.78
You Save: $30.28 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: FT4Z-12A699-C, FT4Z-12A699-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford F-150 | Lariat, XL, XLT | 6 Cyl 2.7 L GAS
View related parts
Ford F-150 Knock Sensor Part Number: XL3Z-12A699-CA
Product Specifications
- Other Name: Sensor - Engine Knock
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2004 Ford F-150 | Base, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lightning, STX, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
Ford F-150 Knock Sensor Part Number: XS2Z-12A699-BA
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:
- 1998 Ford F-150 | Base, XL, XLT | 6 Cyl 4.2 L GAS

Ford F-150 Knock Sensor

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Ford F-150 Knock Sensor Parts and Q&A

Knock Sensor
4L3Z-12A699-AA
Q: How to service the Knock Sensor (KS) on a 4.6L (3V) engine on Ford F-150?
A: In order to service the Knock Sensor (KS) on a 4.6L (3V) engine, begin by disassembly of the Intake Manifold. Next, remove the bolts that hold the KS by removing the KS electrical connector. Installation When assembling the new KS, fasten the bolts to 20 Nm (177 lb-in) and undo the steps of assembling to complete the installation.
Knock Sensor
XL3Z-12A699-AA
Q: How to service the knock sensor (KS) on Ford F-150?
A: In order to service the knock sensor, put the vehicle in neutral on a hoist and remove the battery ground. Take off the bolt of the fuel tube bracket, disconnect the electrical connector of the knock sensor and take away the securing bolt. Install the new sensor and screw the bolt tight 20 Nm and repeat the process.