How to Service the Fuel Level Sensor on Mercury Grand Marquis?

Service on the fuel level sensor requires first removing power from the fire suppression system if one is present. You must remove the fuel tank first then disconnect the pressure transducer electrical connector which faces the top rear corner while also releasing its two harness retainers. Handle the fuel pump with care while cleaning the region surrounding its mounting flange and keep the float arm and filter free from damage. The six fuel pump retaining bolts need removal before installing the pump while tightening each bolt to 10 Nm (89 lb-in). The old fuel pump mounting gasket should be thrown away while checking the contact areas between the fuel pump module flange and fuel tank seal. These areas should receive no surface alteration or adjustment. Any bends, scratches or corrosion on the fuel pump module or fuel tank contact area requires replacement of the components. A new fuel pump module seal must be installed before following the reinstallation steps through the removal reversal procedure. As the last step, complete the reactivation of fire suppression devices if they were depowered.

How to Service and Repair a Fuel Level SensorSafely on Mercury Mountaineer?

You must start servicing the fuel level sensor in Explorer Sport Trac and Explorer/Mountaineer by removing the fuel pump in locations free from smoking and open flames because of the dangerous flammable mixtures present. Note down where the sending unit wire routes for later correct installation. Take off the heat shrink tube from the electrical connector before disconnecting this component. Screw removal allows the pulling up and extraction of the fuel gauge sending unit. The fuel gauge sending unit wire should pass through the middle of the fuel pump module before both wires get positioned behind the sending unit metal plate and the grounding wire sits on the front side of the unit. Install the sending unit on the fuel pump module before attaching the screw through its grounding eyelet and completing screw tightening. Use a heat gun to shrink the tube on the wire harness while connecting the electrical connector instead of using fire due to safety reasons. Finally, reinstall the fuel pump.

OEM Mercury Fuel Level Sensor

Gas Gauge Sensor

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67 Fuel Level Sensors found

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Mercury Fuel Gauge Sending Unit Part Number: AL8Z-9A299-B
$58.37 MSRP: $97.82
You Save: $39.45 (41%)
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit
Fits the following Mercury Models:
- Mariner | 2010-2011 | Base, Premier | 6 Cyl 3.0 L FLEX
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Mercury Fuel Gauge Sending Unit Part Number: 9M6Z-9A299-A
$56.91 MSRP: $93.64
You Save: $36.73 (40%)
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Sender and Hanger Assembly; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit
Fits the following Mercury Models:
- Mariner | 2009 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Fuel Gauge Sending Unit Part Number: AM6Z-9A299-A
$52.27 MSRP: $86.00
You Save: $33.73 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Pump Module; Fuel Level Sensor; Sending Unit; Fuel Sender Unit
Fits the following Mercury Models:
- Mariner | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury 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
Fits the following Mercury Models:
- Mountaineer | 2004-2006 | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: 8G1Z-9A299-G
$40.53 MSRP: $64.36
You Save: $23.83 (38%)
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit; Level Sensor
- Replaces: 8G1Z-9A299-C
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Fuel Pump, Passenger Side Part Number: 8G1Z-9275-A
$63.32 MSRP: $104.18
You Save: $40.86 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Electric Fuel Pump, Right; Fuel Transfer Unit; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: 2W1Z-9275-AB
$62.48 MSRP: $102.80
You Save: $40.32 (40%)
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Sender and Hanger Assembly; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit; Sending Unit
- Replaces: 2W1Z-9275-AA
Fits the following Mercury Models:
- Grand Marquis | 2003-2008 | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: 8L8Z-9A299-B
$128.18 MSRP: $210.91
You Save: $82.73 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit
- Replaces: 8L8Z-9A299-A
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Fuel Gauge Sending Unit, Passenger Side Part Number: 8G1Z-9A299-A
$19.35 MSRP: $30.73
You Save: $11.38 (38%)
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit, Left, Right; Fuel Level Sensor; Fuel Sending Unit; Level Sensor; Fuel Sender Unit
- Manufacturer Note: Sender For 9H307 Fuel Pump
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Sending Unit Part Number: F3XY-9A299-B
$41.85 MSRP: $57.89
You Save: $16.04 (28%)
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Product Specifications
- Other Name: Gauge Assembly - Fuel; Fuel Level Sensor
- Manufacturer Note: Kit consists of (1) F2XU 9A299,AC sender & (1) F3XY 9276,A gasket
Fits the following Mercury Models:
- Villager | 1993-1997 | GS, LS, Nautica | 6 Cyl 3.0 L GAS
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Mercury 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
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Level Sensor; Fuel Sending Unit
- Replaces: 4L2Z-9A299-DA
Fits the following Mercury Models:
- Mountaineer | 2006 | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: AE5Z-9A299-G
$36.39 MSRP: $50.34
You Save: $13.95 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Sender and Hanger Assembly; Fuel Level Sensor; Fuel Sending Unit; Sending Unit
- Manufacturer Note: Service Kit
- Replaces: AE5Z-9A299-C
Fits the following Mercury Models:
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
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Mercury Fuel Pump Part Number: F4DZ-9H307-BB
$93.51 MSRP: $129.36
You Save: $35.85 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender And Pump Assembly; Fuel Pump Module; Fuel Tank Sending Unit; Electric Fuel Pump; Fuel Level Sensor.; Gauge Unit
Fits the following Mercury Models:
- Sable | 1992-1995 | GS, LS, LTS | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Mercury Fuel Gauge Sending Unit, Passenger Side Part Number: 7E5Z-9275-C
$66.79 MSRP: $92.40
You Save: $25.61 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Sender and Hanger; Sending Unit; Fuel Level Sensor; Fuel Pump.; Fuel Pump Assembly; Fuel Sender Unit
- Position: Passenger Side
Fits the following Mercury Models:
- Milan | 2007-2009 | Base, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: F23Z-9275-B
$66.68 MSRP: $90.73
You Save: $24.05 (27%)
ADD TO CART
Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Level Sensor; Fuel Sending Unit
Fits the following Mercury Models:
- Topaz | 1992-1994 | GS, LS, LTS, Sport, XR5 | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Fuel Sending Unit Part Number: 6F1Z-9275-A
$210.24 MSRP: $290.84
You Save: $80.60 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Sending Unit
- Replaces: 1F1Z-9275-AA
Fits the following Mercury Models:
- Sable | 2001-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: 1L2Z-9A299-CB
Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit
Fits the following Mercury Models:
- Mountaineer | 2002-2003 | Base | 8 Cyl 4.6 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: XW1Z-9275-AA
Product Specifications
- Other Name: Sender Assembly; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit; Sending Unit
- Manufacturer Note: FROM 11/30/98
Fits the following Mercury Models:
- Grand Marquis | 1998-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Fuel Gauge Sending Unit Part Number: 9L8Z-9A299-A
$50.72 MSRP: $80.55
You Save: $29.83 (38%)
Product Specifications
- Other Name: Sender Assembly - Fuel Tank; Fuel Tank Sending Unit; Fuel Level Sensor; Fuel Sending Unit; Fuel Sender Unit
Fits the following Mercury Models:
- Mariner | 2009 | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Mercury Fuel Sending Unit Part Number: YF1Z-9275-BA
Product Specifications
- Other Name: Sender Assembly; Fuel Level Sensor
- Manufacturer Note: 18 gallon tank , BEFORE 2/5/2001
Fits the following Mercury Models:
- Sable | 2000-2001 | GS, LS, LS Premium | 6 Cyl 3.0 L GAS

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1-20 of 67 Results

Mercury Fuel Level Sensor

If you own Mercury and want to keep it in top shape, choosing OEM Fuel Level Sensor is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Fuel Level Sensor at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Mercury Fuel Level Sensor has made the dash gauge honest by always monitoring the amount of liquid in a tank. In 1939, Mercury made its showroom appearance with a car that, despite being in the bare-bones compact class, felt and appeared so much more refined than its competitors that it cut a niche between low-priced ascetics and luxury baroque cars. Mercury got its name because it combined fast steering with the comfort of cruising over long distances, and therefore road bumps would be dampened and style would be aggressive in the average traffic both during the weekdays and on the weekend. Still luxurious, quiet and easy to drive cabins remained popular as models such as the Cougar and Grand Marquis became hits and drivers could converse without yelling at the road noise and make adjustments without raising an eye. Mercury struck a price/feel chord with decades of revisions offering families a comfortable ride with no flashy talk and demonstrating that you could get a plush ride without emptying the wallet. The Fuel Level Sensor attaches a float and the exact resistor strip in the tank, whereby the height of the liquid is converted into a clean electrical signal read live by the gauge despite the car bouncing on worse pavement. The present design of Fuel Level Sensor can shake off heat, draw very little power and respond to gauge requests in milliseconds. A healthy Fuel Level Sensor helps save you the embarrassment of going to the gas stall when it is too late. Replacement of a failing Fuel Level Sensor is fast to ensure honest range readings and to continue with trip planning easy.

Mercury Fuel Level Sensor Parts and Q&A

Fuel Gauge Sending Unit
6W1Z-9A299-A
Q: How to Service the Fuel Level Sensor on Mercury Grand Marquis?
A:
Service on the fuel level sensor requires first removing power from the fire suppression system if one is present. You must remove the fuel tank first then disconnect the pressure transducer electrical connector which faces the top rear corner while also releasing its two harness retainers. Handle the fuel pump with care while cleaning the region surrounding its mounting flange and keep the float arm and filter free from damage. The six fuel pump retaining bolts need removal before installing the pump while tightening each bolt to 10 Nm (89 lb-in). The old fuel pump mounting gasket should be thrown away while checking the contact areas between the fuel pump module flange and fuel tank seal. These areas should receive no surface alteration or adjustment. Any bends, scratches or corrosion on the fuel pump module or fuel tank contact area requires replacement of the components. A new fuel pump module seal must be installed before following the reinstallation steps through the removal reversal procedure. As the last step, complete the reactivation of fire suppression devices if they were depowered.
Fuel Gauge Sending Unit
7L2Z-9A299-A
Q: How to Service and Repair a Fuel Level SensorSafely on Mercury Mountaineer?
A:
You must start servicing the fuel level sensor in Explorer Sport Trac and Explorer/Mountaineer by removing the fuel pump in locations free from smoking and open flames because of the dangerous flammable mixtures present. Note down where the sending unit wire routes for later correct installation. Take off the heat shrink tube from the electrical connector before disconnecting this component. Screw removal allows the pulling up and extraction of the fuel gauge sending unit. The fuel gauge sending unit wire should pass through the middle of the fuel pump module before both wires get positioned behind the sending unit metal plate and the grounding wire sits on the front side of the unit. Install the sending unit on the fuel pump module before attaching the screw through its grounding eyelet and completing screw tightening. Use a heat gun to shrink the tube on the wire harness while connecting the electrical connector instead of using fire due to safety reasons. Finally, reinstall the fuel pump.