How to Properly Maintain and Replace the Knock Sensor in a Mercury Mariner?

The initial step for replacing the knock sensor requires placing the vehicle in neutral position and hoisting it securely. Begin by removing the intake manifold before carefully taking out the bolt which fastens the knock sensor. Secure the new knock sensor with 20 Nm torque (15 lb-ft) and proceed with the reverse order of the removal process to achieve successful installation.

How to service the Knock Sensor (KS) on Mercury Mariner?

Service of the Knock Sensor (KS) begins by placing the vehicle in neutral gear and hoisting it before proceeding. First remove the intake manifold from the system before removing the bolt which anchors the Knock Sensor. Tighten the new Knock Sensor to 20 Nm (177 lb-in) torque setting before following the reversal steps of removal to complete the installation.

OEM Mercury Mariner Knock Sensor

Engine Knock Sensor

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4 Knock Sensors found

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Mercury Mariner Knock Sensor Part Number: 1S7Z-12A699-BB
$41.01 MSRP: $64.00
You Save: $22.99 (36%)
Ships in 1-3 Business Days
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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:
- 2006-2011 Mercury Mariner | Base, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
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Mercury Mariner 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:
- 2009-2011 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner 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:
- 2005-2007 Mercury Mariner | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Mariner Knock Sensor Part Number: YL8Z-12A699-AA
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:
- 2005-2007 Mercury Mariner | Luxury, Premier | 6 Cyl 3.0 L GAS

Mercury Mariner Knock Sensor

OEM Knock Sensor boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Knock Sensor with long life and a perfect fit. Come to our website and find genuine Mercury Mariner parts. We keep a wide inventory of OEM Mariner parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

Mercury Mariner Knock Sensor Parts and Q&A

Knock Sensor
1S7Z-12A699-BB
Q: How to Properly Maintain and Replace the Knock Sensor in a Mercury Mariner?
A:
The initial step for replacing the knock sensor requires placing the vehicle in neutral position and hoisting it securely. Begin by removing the Intake Manifold before carefully taking out the bolt which fastens the knock sensor. Secure the new knock sensor with 20 Nm torque (15 lb-ft) and proceed with the reverse order of the removal process to achieve successful installation.
Knock Sensor
4L3Z-12A699-AA
Q: How to service the Knock Sensor (KS) on Mercury Mariner?
A:
Service of the Knock Sensor (KS) begins by placing the vehicle in neutral gear and hoisting it before proceeding. First remove the Intake Manifold from the system before removing the bolt which anchors the Knock Sensor. Tighten the new Knock Sensor to 20 Nm (177 lb-in) torque setting before following the reversal steps of removal to complete the installation.