How to service the thermostat for 4.6L, 5.4L, and 6.8L engines on Ford E-150?

The first step for servicing 4.6L 5.4L and 6.8L engine thermostats requires draining the engine cooling system. Start the service operation by unfastening the Air Cleaner (ACL) outlet pipe. Partners operating on the thermostat housing should detach the upper radiator hose for the procedure. Unbolt the thermostat housing and put it aside before removing the thermostat together with the O-ring seal. You should perform surface metal preparation on sealing surfaces following the packaging directions before cleaning them. Use a new O-ring seal before securing the thermostat housing bolts at 25 Nm (18 lb-ft). End the installation by reversing removal steps and sensing up the engine cooling system yet performing a bleed.

OEM Ford E-150 Thermostat

Engine Coolant Thermostat

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3 Thermostats found

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Ford E-150 Thermostat
Part Number: 7L3Z-8575-E
$20.68 MSRP: $32.00
You Save: $11.32 (36%)
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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:
- 2003-2014 Ford E-150 | Base, Chateau, XL, XLT | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 5.4 L LPG
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Ford E-150 Thermostat
Part Number: 7L3Z-8575-D
$20.68 MSRP: $32.00
You Save: $11.32 (36%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat, Coolant
- Replaced by: 7L3Z-8575-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2014 Ford E-150 | Base, XL, XLT | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 5.4 L LPG
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Ford E-150 Thermostat
Part Number: XL3Z-8575-BA
$14.31 MSRP: $23.09
You Save: $8.78 (39%)
ADD TO CART
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:
- 2003 Ford E-150 | Base | 6 Cyl 4.2 L GAS

Ford E-150 Thermostat

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Ford E-150 Thermostat Parts Questions & Experts Answers

Thermostat
7L3Z-8575-E
Q: How to service the thermostat for 4.6L, 5.4L, and 6.8L engines on Ford E-150?
A: The first step for servicing 4.6L 5.4L and 6.8L engine thermostats requires draining the engine cooling system. Start the service operation by unfastening the Air Cleaner (ACL) outlet pipe. Partners operating on the thermostat housing should detach the upper radiator hose for the procedure. Unbolt the thermostat housing and put it aside before removing the thermostat together with the O-ring seal. You should perform surface metal preparation on sealing surfaces following the packaging directions before cleaning them. Use a new O-ring seal before securing the thermostat housing bolts at 25 Nm (18 lb-ft). End the installation by reversing removal steps and sensing up the engine cooling system yet performing a bleed.