How to service and repair the thermostat and thermostat housing for the 4.6L engine on Ford F-150?

The procedure for repairing both the thermostat and thermostat housing for 4.6L engines starts with draining part of the engine cooling system. Begin by draining coolant from the system partially and then remove the air cleaner assembly before separating components according to detailed illustrations and tables. The removal of each component needs to follow the steps provided in the list. Completion of new parts installation requires reusing the opposite order of removal steps. Filling up and bleeding the cooling system becomes necessary after installation. You should apply clean engine coolant to the new O-ring seal for the thermostat before putting it into position.

OEM Ford F-150 Thermostat

Engine Coolant Thermostat

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11 Thermostats found

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Ford F-150 Thermostat
Part Number: 7L3Z-8575-E
$20.68 MSRP: $32.00
You Save: $11.32 (36%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat, Coolant
- Replaces: 7L3Z-8575-D, 7L3Z-8575-B, AL3Z-8575-B, RT-1196, RT-1230, 3L3Z-8575-AA, 3L3Z-8575-AC, 7L3Z-8575-C, AL3Z-8575-A, RT-1204, RT-1234, RT-1178, RT-1229, RT-1165
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2014 Ford F-150 | Base, FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lariat Limited, Lightning, Limited, Platinum, STX, SVT Raptor, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 6.2 L GAS
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Ford F-150 Thermostat
Part Number: E5TZ-8575-C
$37.67 MSRP: $59.82
You Save: $22.15 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984 Ford F-150 | Base, XL, XLT | 8 Cyl 6.9 L DIESEL
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Ford F-150 Thermostat
Part Number: XL3Z-8575-BA
$14.31 MSRP: $23.09
You Save: $8.78 (39%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Thermostat-192 #XL3E 8575-AA
- Replaces: F85Z-8575-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008, 1997-2003 Ford F-150 | Base, STX, XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 Thermostat
Part Number: XL3Z-8575-AA
$14.95 MSRP: $24.11
You Save: $9.16 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2003 Ford F-150 | Harley-Davidson Edition, Lightning | 8 Cyl 5.4 L GAS
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Ford F-150 Thermostat
Part Number: HL3Z-8575-B
$17.38 MSRP: $26.89
You Save: $9.51 (36%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: HL3Z-8575-A, RT-1238
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2020 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, XL, XLT | 6 Cyl 3.5 L GAS
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Ford F-150 Thermostat
Part Number: F68Z-8575-BA
$5.19 MSRP: $7.55
You Save: $2.36 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: F65Z-8575-AE, F68Z-8575-CA, RT-1116
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Ford F-150 | Base, XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 Thermostat
Part Number: BC3Z-8575-E
$41.00 MSRP: $63.98
You Save: $22.98 (36%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: BC3Z-8575-A, RT-1231, RT-1205, BC3Z-8575-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2023 Ford F-150 | Raptor R | 8 Cyl 5.2 L GAS
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Ford F-150 Thermostat
Part Number: ML3Z-8575-A
$27.01 MSRP: $41.80
You Save: $14.79 (36%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, Tremor, XL, XLT | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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Ford F-150 Thermostat
Part Number: BR3Z-8575-F
$23.01 MSRP: $35.60
You Save: $12.59 (36%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: BR3Z-8575-C, RT-1217, BR3Z-8575-E, RT-1227
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ford F-150 | FX2, FX4, King Ranch, Lariat, Platinum, SSV, STX, Tremor, XL, XLT | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.0 L FLEX
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Ford F-150 Thermostat
Part Number: XR3Z-8575-BA
$7.31 MSRP: $11.31
You Save: $4.00 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Thermostat 192 #XR3E 8597-BA
- Replaces: F88Z-8575-AA, E8TZ-8575-A, XL2Z-8575-AB
- 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 Thermostat
Part Number: BL3Z-8575-B
$21.57 MSRP: $33.38
You Save: $11.81 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: BL3Z-8575-A, RT-1213
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ford F-150 | FX2, FX4, King Ranch, Lariat, Limited, Platinum, SSV, STX, XL, XLT | 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L CNG, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L LPG

Ford F-150 Thermostat

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Ford F-150 Thermostat Parts Questions & Experts Answers

Thermostat
7L3Z-8575-E
Q: How to service and repair the thermostat and thermostat housing for the 4.6L engine on Ford F-150?
A: The procedure for repairing both the thermostat and Thermostat Housing for 4.6L engines starts with draining part of the engine cooling system. Begin by draining coolant from the system partially and then remove the air cleaner assembly before separating components according to detailed illustrations and tables. The removal of each component needs to follow the steps provided in the list. Completion of new parts installation requires reusing the opposite order of removal steps. Filling up and bleeding the cooling system becomes necessary after installation. You should apply clean engine coolant to the new O-ring seal for the thermostat before putting it into position.