How Can You Safely Service and Repair a Fuel Level Sensor on Mercury Mountaineer?

The presence of smoking or open flames should be avoided when servicing the fuel level sensor because flammable mixture ignition is possible. The first step should involve removing the fuel pump. Make a record of the sensor wire path so you can install it correctly. The technician should first detach the electrical connector by removing the heat shrink tube which protects it. You must remove the screw then extract the fuel level sensor from its place. The fuel level sensor wire installation requires movement through the center of the fuel pump module followed by placement of both sensor wires behind the metal sensor plate while positioning the grounding eyelet at the front. Thread the fuel level sensor onto the fuel pump module while installing the screw through its grounding eyelet and tighten this screw. Place the heat shrink tube over the wire harness then join the electrical connector. Shrink the heat shrink tube to the desired length by using a heat gun without exposing it to flames since the process requires safety. Finally, reinstall the fuel pump.

OEM Mercury Mountaineer Fuel Level Sensor

Gas Gauge Sensor

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11 Fuel Level Sensors found

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Mercury Mountaineer Fuel Gauge Sending Unit
Part Number: 7L2Z-9A299-B
$75.71 MSRP: $104.74
You Save: $29.03 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Level Sensor; Fuel Sending Unit
- Manufacturer Note: Service Fix
- Replaces: 4L2Z-9A299-CA, 5L2Z-9A299-A, PS-242
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2006 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Fuel Gauge Sending Unit
Part Number: 1L2Z-9A299-CB
$41.80 MSRP: $57.83
You Save: $16.03 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Mountaineer | Base | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Fuel Gauge Sending Unit
Part Number: 7L2Z-9A299-A
$131.50 MSRP: $216.36
You Save: $84.86 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Sender & Hanger Assembly; Fuel Level Sensor; Fuel Sender Unit; Sending Unit
- Replaces: 6L2Z-9A299-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Mercury Mountaineer | Base, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Fuel Pump
Part Number: F67Z-9H307-BB
$462.79 MSRP: $634.96
You Save: $172.17 (28%)
ADD TO CART
Product Specifications
- Other Name: Sender And Pump Assembly; Electric Fuel Pump; Fuel Pump Module; Fuel Level Sensor; Fuel Sending Unit.; Fuel Gauge Sending Unit
- Replaces: F67Z-9H307-BA
- 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 Fuel Gauge Sending Unit
Part Number: 5L2Z-9A299-B
$54.63 MSRP: $75.58
You Save: $20.95 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Level Sensor; Fuel Sending Unit
- Replaces: 4L2Z-9A299-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Fuel Gauge Sending Unit
Part Number: 1L2Z-9A299-DB
$44.63 MSRP: $72.91
You Save: $28.28 (39%)
ADD TO CART
Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier
View related parts
Mercury Mountaineer Fuel Pump
Part Number: XL2Z-9H307-A
Product Specifications
- Other Name: Sender And Pump Assembly; Electric Fuel Pump; Fuel Pump Module; Fuel Tank Sending Unit; Fuel Level Sensor.; Fuel Gauge Sending Unit
- Replaces: PFS-422, XL2Z-9H307-AK, XL2Z-9H307-AL
- 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 Fuel Pump
Part Number: F7PZ-9H307-BE
Product Specifications
- Other Name: Sender And Pump Assembly; Electric Fuel Pump; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Pump Hanger.; Fuel Gauge Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Fuel Pump
Part Number: F8PZ-9H307-AD
Product Specifications
- Other Name: Sender And Pump Assembly; Fuel Level Sensor; Fuel Sending Unit; Fuel Gauge Sending Unit; Fuel Pump Assembly
- 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 Fuel Gauge Sending Unit
Part Number: 2L2Z-9H307-HD
Product Specifications
- Other Name: Sender And Pump Assembly; Electric Fuel Pump; Fuel Strainer Set; Fuel Level Sensor; Hanger Assembly
- Replaces: 2L2Z-9H307-HB, PFS-14, 2L2Z-9H307-HC, PFS-437
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Mountaineer Fuel Gauge Sending Unit
Part Number: F77Z-9275-CA
Product Specifications
- Other Name: Sender Assembly; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit
- Manufacturer Note: Also serviced in 9H307
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS

Mercury Mountaineer Fuel Level Sensor

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Mercury Mountaineer Fuel Level Sensor Parts Questions & Experts Answers

Fuel Gauge Sending Unit
7L2Z-9A299-B
Q: How Can You Safely Service and Repair a Fuel Level Sensor on Mercury Mountaineer?
A: The presence of smoking or open flames should be avoided when servicing the fuel level sensor because flammable mixture ignition is possible. The first step should involve removing the fuel pump. Make a record of the sensor wire path so you can install it correctly. The technician should first detach the electrical connector by removing the heat shrink tube which protects it. You must remove the screw then extract the fuel level sensor from its place. The fuel level sensor wire installation requires movement through the center of the fuel pump module followed by placement of both sensor wires behind the metal sensor plate while positioning the grounding eyelet at the front. Thread the fuel level sensor onto the fuel pump module while installing the screw through its grounding eyelet and tighten this screw. Place the heat shrink tube over the wire harness then join the electrical connector. Shrink the heat shrink tube to the desired length by using a heat gun without exposing it to flames since the process requires safety. Finally, reinstall the fuel pump.