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

Service and repairs on 4.6L engine thermostats and their housings should start with partial draining of the engine cooling system. You should first dismantle the air cleaner assembly followed by the removal process of components according to the illustrations and tables. The removal process requires following each step for each separate part. The installation process should follow the reverse steps of removal. The cooling system requires fluid fill-up and bleeding after installation. A proper installation of the new thermostat O-ring requires cleaning engine coolant which must be applied to the seal prior to its placement.

OEM Ford F-150 Thermostat Housing

Engine Coolant Thermostat Housing

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25 Thermostat Housings found

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Ford F-150 Thermostat Housing, Upper
Part Number: 3L3Z-8592-CA
$25.19 MSRP: $36.67
You Save: $11.48 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover.; Water Outlet; Thermostat Connector; Upper Housing; Connection - Water Outlet
- Position: Upper
- Replaces: RH-138, 3L3Z-8592-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2008 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Limited, 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 Thermostat Housing, Upper
Part Number: F65Z-8592-BD
$24.79 MSRP: $36.67
You Save: $11.88 (33%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover.; Water Outlet; Thermostat Outlet; Thermostat Connector; Connection - Water Outlet
- Position: Upper
- Replaces: F65Z-8592-BC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2008 Ford F-150 | Base, FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lightning, STX, 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 GAS
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Ford F-150 Thermostat Housing, Upper
Part Number: 9L3Z-8592-A
$25.19 MSRP: $36.67
You Save: $11.48 (32%)
ADD TO CART
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover.; Water Outlet; Connection - Water Outlet
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Platinum, SVT Raptor, XL, XLT | 8 Cyl 5.4 L FLEX
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Ford F-150 Water Outlet
Part Number: FR3Z-8592-A
$36.12 MSRP: $51.67
You Save: $15.55 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Outlet Flange; Thermostat Housing; Radiator Hose; Connector Pipe; Connection - Water Outlet
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford F-150 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Thermostat Housing, Upper
Part Number: 9L3Z-8592-B
$14.89 MSRP: $21.67
You Save: $6.78 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Upper; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet; Thermostat Outlet; Connection - Water Outlet
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Ford F-150 | STX, XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 Thermostat Housing
Part Number: MC3Z-8592-A
$31.26 MSRP: $48.36
You Save: $17.10 (36%)
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Product Specifications
- Other Name: Connection Water Outlet; Thermostat Outlet
- Replaces: F4TZ-8592-AA, RH-110
- 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 Thermostat Housing
Part Number: FOZZ-8592-A
$123.76 MSRP: $186.67
You Save: $62.91 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection - Water Outlet; Thermostat Housing Cover
- Manufacturer Note: CONNECTOR
- Replaced by: FOZZ-8592-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1987 Ford F-150 | Base, Custom, XL, XLT, XLT Lariat | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Ford F-150 Thermostat Housing
Part Number: ML3Z-8A586-B
$902.16 MSRP: $1336.53
You Save: $434.37 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Connector Pipe
Part Number: JL3Z-8592-B
$76.26 MSRP: $111.00
You Save: $34.74 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Outlet Flange; Engine Coolant Pipe; Connection - Water Outlet
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Ford F-150 | King Ranch, Lariat, Platinum, XL, XLT | 6 Cyl 3.0 L DIESEL
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Ford F-150 Thermostat Housing
Part Number: ML3Z-8592-C
$129.73 MSRP: $188.83
You Save: $59.10 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection - Water Inlet; Engine Coolant Thermostat Housing; Engine Coolant Outlet Flange; Water Outlet; Thermostat Outlet
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | Lariat, XL, XLT | 6 Cyl 2.7 L GAS
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Ford F-150 Thermostat Outlet, Lower
Part Number: JL3Z-8592-A
$237.22 MSRP: $348.33
You Save: $111.11 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Connection - Water Inlet; Engine Coolant Thermostat Housing, Lower; Thermostat Housing Cover; Water Inlet; Thermostat Housing
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Ford F-150 | King Ranch, Lariat, Platinum, XL, XLT | 6 Cyl 3.0 L DIESEL
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Ford F-150 Water Outlet
Part Number: JT4Z-8592-A
$48.93 MSRP: $70.00
You Save: $21.07 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Connection - Water Inlet; Engine Coolant Thermostat Housing; Thermostat Housing Cover; Thermostat Outlet; Thermostat Housing
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2020 Ford F-150 | Lariat, XL, XLT | 6 Cyl 2.7 L GAS
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Ford F-150 Water Outlet, Upper
Part Number: BR3Z-8592-Q
$129.85 MSRP: $199.83
You Save: $69.98 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover; Upper Inlet Flange.; Thermostat Outlet; Outlet Tube; Connection - Water Outlet; Thermostat Housing
- Position: Upper
- 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
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Ford F-150 Thermostat Housing, Front
Part Number: KR3Z-8592-B
$245.16 MSRP: $360.00
You Save: $114.84 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Front, Lower; Water Manifold; Water Outlet; Water Inlet
- Position: Front
- 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 Housing
Part Number: ML3Z-8A586-C
$93.94 MSRP: $136.73
You Save: $42.79 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover
- 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 Housing, Upper
Part Number: KR3Z-8592-A
$213.49 MSRP: $313.50
You Save: $100.01 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Connection - Water Inlet; Engine Coolant Thermostat Housing, Upper; Thermostat Housing Cover; Water Inlet; Inlet Pipe
- Position: Upper
- 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 Housing
Part Number: HL3Z-8A586-C
$126.13 MSRP: $183.60
You Save: $57.47 (32%)
ADD TO CART
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Kit; Water Outlet
- Replaces: HL3Z-8A586-B, RH-262, RH-246, HL3Z-8A586-A
- 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
View related parts
Ford F-150 Thermostat Housing, Upper
Part Number: 7R3Z-8592-A
$25.85 MSRP: $36.67
You Save: $10.82 (30%)
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Upper; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet; Thermostat Outlet; Upper Housing; Connection - Water Outlet
- Position: Upper
- Replaces: 6L2Z-8592-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Ford F-150 | FX2, STX, XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 Thermostat Housing
Part Number: F5TZ-8592-BC
Product Specifications
- Other Name: Connector; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet
- Replaces: F5TZ-8592-BA
- 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 Housing
Part Number: F75Z-8592-CC
Product Specifications
- Other Name: Connection - Water Outlet; Engine Coolant Thermostat Housing; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet
- 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 Housing

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Ford F-150 Thermostat Housing Parts Questions & Experts Answers

Thermostat Housing, Upper
F65Z-8592-BD
Q: How to service and repair the thermostat and thermostat housing for the 4.6L engine on Ford F-150?
A: Service and repairs on 4.6L engine Thermostats and their housings should start with partial draining of the engine cooling system. You should first dismantle the air cleaner assembly followed by the removal process of components according to the illustrations and tables. The removal process requires following each step for each separate part. The installation process should follow the reverse steps of removal. The cooling system requires fluid fill-up and bleeding after installation. A proper installation of the new thermostat O-ring requires cleaning engine coolant which must be applied to the seal prior to its placement.