Is the Front Air Bag Sensor Critical for SRS Operation and Maintenance on Mercury Mountaineer?

The front impact severity sensor functions as a key element for air bag supplemental restraint system (SRS) operation therefore the sensor needs to stay in its correct position. After a collision you must examine both the sensor mounting bracket and wiring pigtail for deformation then replace and position correctly the sensor or remove all disturbed SRS components regardless of whether the air bag deployed. Wear safety eyeglasses during maintenance on SRS vehicles to prevent injuries when the air bag activates accidentally while following procedures that do not use memory savers to protect oneself from serious harm. The RCM fuse removal causes the air bag warning lamp to turn on during the ignition switch ON state but this process indicates no SRS fault. The vehicle must return to the customer with a fully functional SRS that shows no faults. Fixes should only include new component installation unless the issue continues, making the original part switch necessary with additional diagnosis. Start by taking power off the system before removing components based on the given sequence. Both the torque setting for retaining bolts and the cleaned-up state of sensor bracket contact surfaces on the lower radiator support are essential for system operation during new front impact severity sensor installation. The locator tab on the sensor mounting bracket should be correctly aligned with the lower radiator support sheet metal opening before moving backward through the removal procedure while reactivating system power.

How to Service the Front Air Bag Sensor on Mercury Mountaineer?

The front impact severity sensor service procedure begins with verifying that the vehicle SRS system is depowered. First disconnect the electrical connector before removing both the lower radiator air deflector and the four pin-type retainers. Correct operation of the restraint system depends on proper torque fastening of the restraints control module (RCM) and impact sensor which helps prevent serious injury or death in a crash. Both sensor and radiator support mating surfaces need to be cleaned from debris before removing the bolt and sensor. The new sensor needs to be tightened using 12 Nm torque (9 lb-ft). Reinstall the components while performing the procedure in reverse order followed by turning on the SRS. A customer will see the air bag warning indicator appear when testing the RCM fuse removal with the ignition switch ON because this indicates proper SRS function without indicating any system faults. Complete SRS testing to confirm operation and faultless condition before vehicle handover to customers while keeping in mind that all repairs require new parts only; return the original part in case a new part fails to fix the issue and redo the diagnostic checks. Before vehicle release ensure to inspect the RCM and impact sensor mounting areas for any deformation but opt for new RCM and sensors for replacement because air bag deployment status does not matter.

OEM Mercury Mountaineer Air Bag Sensor

Air Bag Impact Sensor

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16 Air Bag Sensors found

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Mercury Mountaineer Impact Sensor Part Number: XL2Z-14B345-AB
$32.93 MSRP: $44.81
You Save: $11.88 (27%)
ADD TO CART
Product Specifications
- Other Name: Sensor - Side Air Bag; Air Bag Impact Sensor; Air Bag Sensor
- Replaces: XL2Z-14B345-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Impact Sensor, Front Part Number: XL2Z-14B004-AB
$20.77 MSRP: $28.74
You Save: $7.97 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly; Air Bag Impact Sensor, Front Right; Air Bag Sensor; Front Sensor
- Manufacturer Note: LH , w/bracket
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Impact Sensor, Front Passenger Side Part Number: F5TZ-14B004-C
$91.12 MSRP: $126.06
You Save: $34.94 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly; Air Bag Impact Sensor, Front Right; Air Bag Sensor; Front Sensor
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Side Impact Sensor, Driver Side Part Number: 9L2Z-14B345-B
$55.69 MSRP: $75.78
You Save: $20.09 (27%)
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Product Specifications
- Other Name: Sensor - Side Air Bag; Air Bag Sensor; Side Sensor
- Manufacturer Note: "C" Pillar
- Position: Driver Side
- Replaces: 6L2Z-14B345-BA, 8L2Z-14B345-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Side Impact Sensor, Passenger Side Part Number: 9L2Z-14B345-A
$55.59 MSRP: $75.65
You Save: $20.06 (27%)
ADD TO CART
Product Specifications
- Other Name: Sensor - Side Air Bag; Air Bag Sensor; Side Sensor
- Manufacturer Note: "C" Pillar
- Position: Passenger Side
- Replaces: 6L2Z-14B345-AA, 8L2Z-14B345-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Side Impact Sensor, Passenger Side Part Number: 1L2Z-14B345-AA
$72.30 MSRP: $100.02
You Save: $27.72 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Side Air Bag; Air Bag Sensor; Side Sensor
- Manufacturer Note: "C" Pillar
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Side Impact Sensor Part Number: 1L2Z-14B345-DA
$63.55 MSRP: $87.92
You Save: $24.37 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Side Air Bag; Air Bag Sensor; Side Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Side Impact Sensor, Driver Side Part Number: 1L2Z-14B345-CA
$57.78 MSRP: $79.93
You Save: $22.15 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Side Air Bag; Air Bag Sensor; Side Sensor
- Manufacturer Note: "C" Pillar
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Front Impact Sensor Part Number: 9L2Z-14B004-A
$19.39 MSRP: $30.00
You Save: $10.61 (36%)
Product Specifications
- Other Name: Sensor Assembly; Air Bag Impact Sensor, Front; Air Bag Sensor; Front Sensor
- Position: Front
- Replaces: 8L2Z-14B004-A, 6L2Z-14B004-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Control Module Part Number: XL2Z-14B321-EB
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Control Module Part Number: XL2Z-14B321-AA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Manufacturer Note: Sensor and bracket, kick panel, w/seat air bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Impact Sensor, Front Passenger Side Part Number: F87Z-14B004-AB
Product Specifications
- Other Name: Sensor Assembly; Air Bag Impact Sensor, Front Right; Air Bag Sensor; Front Sensor
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Impact Sensor, Front Driver Side Part Number: F5TZ-14B004-D
Product Specifications
- Other Name: Sensor Assembly; Air Bag Impact Sensor, Front Left; Air Bag Sensor; Front Sensor
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Side Impact Sensor Part Number: 9L2Z-14B345-C
$30.98 MSRP: $43.95
You Save: $12.97 (30%)
Product Specifications
- Other Name: Sensor - Side Air Bag; Air Bag Sensor; Side Sensor
- Replaces: 6L2Z-14B345-CA, 8L2Z-14B345-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Impact Sensor, Front Part Number: XL2Z-14B004-AA
Product Specifications
- Other Name: Sensor Assembly; Air Bag Impact Sensor, Front Left; Air Bag Sensor; Front Sensor
- Manufacturer Note: RH , w/bracket
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Impact Sensor, Front Driver Side Part Number: F87Z-14B004-AA
Product Specifications
- Other Name: Sensor Assembly; Air Bag Impact Sensor, Front Left; Air Bag Sensor; Front Sensor
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS

Mercury Mountaineer Air Bag Sensor

OEM Air Bag 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 Air Bag Sensor with long life and a perfect fit. Come to our website and find genuine Mercury Mountaineer parts. We keep a wide inventory of OEM Mountaineer 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.

Air Bag Sensor is one of the critical components in the safety system of Mercury Mountaineer automobiles famous for their solidity and power. This necessary crash sensor activates during impacts during car collisions and immediately sends signals to the control unit regarding the deployment of the air bags which improves on the safety of those in the car. The Mercury Mountaineer has been manufactured between 1996 and 2010, with several generations available to feature this Air Bag Sensor. The Air Bag Sensor is most important one since it ensures that the safety measures are triggered immediately in case of an accident which makes the Mercury Mountaineer safety conscious car in the market. For the record, the Air Bag Sensor is particularly fashioned to fit the Mountaineer for efficiency and improved performance on the road. Some of the special features that characterize the Air Bag Sensor include its durability and accuracy which has made it to be a popular among car makers. It is evidenced by its integration into the Mercury Mountaineer thus offering more safety while at the same time complimenting the brand's quality and innovativeness. Therefore, the Air Bag Sensor and indeed acts as critical component of Mercury Mountaineer safety features that enables drivers or any other passengers on board to experience secured drive at all times.

Mercury Mountaineer Air Bag Sensor Parts and Q&A

Front Impact Sensor
9L2Z-14B004-A
Q: Is the Front Air Bag Sensor Critical for SRS Operation and Maintenance on Mercury Mountaineer?
A:
The front impact severity sensor functions as a key element for air bag supplemental restraint system (SRS) operation therefore the sensor needs to stay in its correct position. After a collision you must examine both the sensor mounting bracket and wiring pigtail for deformation then replace and position correctly the sensor or remove all disturbed SRS components regardless of whether the air bag deployed. Wear safety eyeglasses during maintenance on SRS vehicles to prevent injuries when the air bag activates accidentally while following procedures that do not use memory savers to protect oneself from serious harm. The RCM fuse removal causes the air bag warning lamp to turn on during the ignition switch ON state but this process indicates no SRS fault. The vehicle must return to the customer with a fully functional SRS that shows no faults. Fixes should only include new component installation unless the issue continues, making the original part switch necessary with additional diagnosis. Start by taking power off the system before removing components based on the given sequence. Both the torque setting for retaining bolts and the cleaned-up state of sensor bracket contact surfaces on the lower Radiator Support are essential for system operation during new front impact severity sensor installation. The locator tab on the sensor mounting bracket should be correctly aligned with the lower radiator support sheet metal opening before moving backward through the removal procedure while reactivating system power.
Side Impact Sensor
9L2Z-14B345-C
Q: How to Service the Front Air Bag Sensor on Mercury Mountaineer?
A:
The front impact severity sensor service procedure begins with verifying that the vehicle SRS system is depowered. First disconnect the electrical connector before removing both the lower radiator Air Deflector and the four pin-type retainers. Correct operation of the restraint system depends on proper torque fastening of the restraints control module (RCM) and impact sensor which helps prevent serious injury or death in a crash. Both sensor and Radiator Support mating surfaces need to be cleaned from debris before removing the bolt and sensor. The new sensor needs to be tightened using 12 Nm torque (9 lb-ft). Reinstall the components while performing the procedure in reverse order followed by turning on the SRS. A customer will see the air bag warning indicator appear when testing the RCM fuse removal with the ignition switch ON because this indicates proper SRS function without indicating any system faults. Complete SRS testing to confirm operation and faultless condition before vehicle handover to customers while keeping in mind that all repairs require new parts only; return the original part in case a new part fails to fix the issue and redo the diagnostic checks. Before vehicle release ensure to inspect the RCM and impact sensor mounting areas for any deformation but opt for new RCM and sensors for replacement because air bag deployment status does not matter.