How to service and repair the thermostat for 5.4L and 6.8L engines on 2005 Ford F-250 Super Duty?

To service the 5.4L and 6.8L engine thermostat, drain, disconnect the air cleaner outlet pipe and unbolt thermostat housing. Wipe off, replace lubricated O-ring, tighten the bolts to 10 Nm, and undo the steps of the removal, to finish the work.

OEM 2005 Ford F-250 Super Duty Thermostat

Engine Coolant Thermostat

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3 Thermostats found

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2005 Ford F-250 Super Duty 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
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7L3Z-8575-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2005 Ford F-250 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, Platinum, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.2 L FLEX
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2005 Ford F-250 Super Duty Thermostat Part Number: 7C3Z-8575-B
$12.40 MSRP: $20.00
You Save: $7.60 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: THERMOSTAT, WTR
- Replaces: YC2Z-8575-BC
- Base No.: 8575
- Item Weight: 0.50 Pounds
- Item Dimensions: 3.3 x 2.6 x 3.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7C3Z-8575-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2005 Ford F-250 Super Duty Submodels:
- Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS
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2005 Ford F-250 Super Duty Thermostat Housing Part Number: 3C3Z-8575-AA
$40.08 MSRP: $63.64
You Save: $23.56 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat Housing Cover; Thermostat
- Manufacturer Note: Themostat and connector asy - #3C34 8575-AA - (Navistar ID 1839304C91) - includes gasket
- Base No.: 8575
- Item Weight: 1.60 Pounds
- Item Dimensions: 8.4 x 7.7 x 7.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3C3Z-8575-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Ford F-250 Super Duty Submodels:
- Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL

2005 Ford F-250 Super Duty Thermostat

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2005 Ford F-250 Super Duty Thermostat available at FordPartsDeal.com. You can confidently purchase our OEM 2005 Ford F-250 Super Duty Thermostat as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2005 Ford F-250 Super Duty Thermostat Parts Q&A

Q: How to service and repair the thermostat for 5.4L and 6.8L engines on 2005 Ford F-250 Super Duty?
A: To service the 5.4L and 6.8L engine thermostat, drain, disconnect the air cleaner outlet pipe and unbolt thermostat housing. Wipe off, replace lubricated O-ring, tighten the bolts to 10 Nm, and undo the steps of the removal, to finish the work.