How to Service and Repair the Coolant Temperature Sensor for the 4.2L Engine on Ford F-150?

When servicing the temperature sensor to the 4.2L engine, first drain the cooling system partially. Next, unplug the connector and take the water temperature sender unit off. Installation To install the reverse the removal steps.

How to Service and Repair the Coolant Temperature Sensor with a 4.2L Engine on Ford F-150?

A 2002-2003 F150 with a 4.2L-liter engine requires partial draining of the cooling system to remove the temperature sensor and replace it. Next, unassembly the connector and remove the water temperature sender unit. Installation is a matter of reversal of the steps in removal.

OEM Ford F-150 Coolant Temperature Sensor

Coolant Water Temperature Sensor

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12 Coolant Temperature Sensors found

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Ford F-150 Coolant Temperature Sensor Part Number: 9U2Z-12A648-A
$32.23 MSRP: $51.18
You Save: $18.95 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Switch; Temperature Sending Unit; Sensor
- Replaces: F4TZ-12A648-A, F2AZ-12A648-A, F2AZ-12A648-AA, F1AZ-12A648-B, E1AZ-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992 Ford F-150 | Custom, XL, XLT Lariat | 6 Cyl 4.9 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Ford F-150 Coolant Temperature Sensor Part Number: 3F1Z-12A648-A
$23.00 MSRP: $36.53
You Save: $13.53 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Air Temperature Sensor; HVAC System Switch; Temperature Sensor; Temperature Switch; Level Sensor; Temperature Sending Unit; Temperature Gauge Sending Unit; Sensor
- Replaces: F5AZ-12A648-AB, F5AZ-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2004 Ford F-150 | Base, Eddie Bauer, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lightning, Special, STX, XL, XLT | 6 Cyl 4.2 L GAS, 6 Cyl 4.9 L BI-FUEL, 6 Cyl 4.9 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford F-150 Coolant Temperature Sensor Part Number: FT4Z-12A648-B
$19.89 MSRP: $32.09
You Save: $12.20 (39%)
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Sensor
- Manufacturer Note: Connects To 12A699 Knock Sensor
- Replaces: FT4Z-12A648-A, DY-1298
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Ford F-150 | Lariat, XL, XLT | 6 Cyl 2.7 L GAS
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Ford F-150 Actuator Assembly, Front Upper Part Number: JL3Z-10884-A
$164.88 MSRP: $240.00
You Save: $75.12 (32%)
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Product Specifications
- Other Name: Actuator - Temperature Control; Radiator Support Air Deflector Actuator, Front, Front Upper; Actuator
- Position: Front Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2020 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, XL, XLT | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L GAS, 8 Cyl 5.0 L FLEX
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Ford F-150 Temperature Gauge Part Number: F1SZ-10884-A
$34.69 MSRP: $55.09
You Save: $20.40 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Temperature; Engine Coolant Temperature Sender; Temp Gauge; Temperature Sending Unit; Temperature Gauge Sending Unit; Temperature Sender Unit
- Replaces: DOWY-10884-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1996 Ford F-150 | Custom, Eddie Bauer, Lightning, Special, XL, XLT, XLT Lariat | 6 Cyl 4.9 L BI-FUEL, 6 Cyl 4.9 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Ford F-150 Coolant Temperature Sensor Part Number: E1AZ-12A648-A
$32.23 MSRP: $51.18
You Save: $18.95 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Multi Purpose Relay; Fog Light Bulbs; Valve Keeper; Car Bulbs; Temperature Sending Unit; ECM Relay; Temperature Gauge Sending Unit; Inner Bearing; Fog Lamp Bulb
- Replaced by: 9U2Z-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-1995, 1984-1991 Ford F-150 | Base, Custom, Eddie Bauer, Lightning, Special, XL, XLT, XLT Lariat | 6 Cyl 4.9 L BI-FUEL, 6 Cyl 4.9 L GAS, 6 Cyl 4.9 L LPG, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS, 8 Cyl 6.9 L DIESEL
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Ford F-150 Temperature Sending Unit Part Number: F65Z-10884-AA
$110.50 MSRP: $181.82
You Save: $71.32 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sender Assembly - Temperature; Coolant Temperature Sender; Temp Sender Gauge
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2004 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
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Ford F-150 Coolant Temperature Sensor Part Number: JT4Z-9U498-A
$33.38 MSRP: $62.02
You Save: $28.64 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor - Engine Coolant Temperature; Exhaust Gas Temperature Sensor; EGR Pressure Sensor; Temperature Sensor; Pressure Feedback Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2023 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, SSV, XL, XLT | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L GAS, 8 Cyl 5.0 L FLEX
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Ford F-150 Coolant Temperature Sensor Part Number: 4L3Z-12A648-AB
$57.44 MSRP: $96.25
You Save: $38.81 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Sensor
- Replaces: 4L3Z-12A648-AA, DY-981
- 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 Oil Pan Gasket Part Number: DOWY-10884-A
$34.69 MSRP: $55.09
You Save: $20.40 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Temperature; Transmission Filter; Valve Spring; Temperature Sending Unit; Temperature Gauge Sending Unit; Intake Valve Spring; Filter
- Manufacturer Note: 1 contact, w/electronic instrumentation
- Replaced by: F1SZ-10884-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Ford F-150 | Base, Custom, XL, XLT, XLT Lariat | 6 Cyl 4.9 L GAS, 6 Cyl 4.9 L LPG, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS, 8 Cyl 6.9 L DIESEL
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Ford F-150 Coolant Temperature Sensor Part Number: KA1Z-9U498-A
$31.36 MSRP: $58.28
You Save: $26.92 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Engine Coolant Temperature; EGR Valve Temperature Sensor; Exhaust Gas Temperature Sensor; Temperature Sensor; Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | XL, XLT
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Ford F-150 Coolant Temperature Sensor Part Number: JL3Z-12A648-B
$15.77 MSRP: $25.60
You Save: $9.83 (39%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sender Assembly; Temperature Sensor
- Replaces: DY-1446, JL3Z-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2023 Ford F-150 | King Ranch, Lariat, Platinum, Raptor R, XL, XLT | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.2 L GAS

Ford F-150 Coolant Temperature Sensor

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Ford F-150 Coolant Temperature Sensor Parts and Q&A

Temperature Sending Unit
F65Z-10884-AA
Q: How to Service and Repair the Coolant Temperature Sensor for the 4.2L Engine on Ford F-150?
A: When servicing the temperature sensor to the 4.2L engine, first drain the cooling system partially. Next, unplug the connector and take the water temperature sender unit off. Installation To install the reverse the removal steps.
Coolant Temperature Sensor
3F1Z-12A648-A
Q: How to Service and Repair the Coolant Temperature Sensor with a 4.2L Engine on Ford F-150?
A: A 2002-2003 F150 with a 4.2L-liter engine requires partial draining of the cooling system to remove the temperature sensor and replace it. Next, unassembly the connector and remove the water temperature sender unit. Installation is a matter of reversal of the steps in removal.