SKU: MMTS-F2D-96L | UPC: 748354013986
Mishimoto Ford 7.3L Powerstroke Low-Temperature Thermostat 1996-2003 F-250 Super Duty F-350 Super Duty Excursion E-350
Engineered for 1996-2003 Ford trucks and vans with 7.3L Powerstroke diesel engines, this Mishimoto low-temperature thermostat replaces the OEM unit to lower operating temperatures. It opens at 160°F for cooler coolant by up to 20°F, reducing EGTs and supporting tuned or towing setups. Direct fit for F-250 Super Duty, F-350 Super Duty, Excursion, E-350 Econoline and more listed below.
Key Features
- 160°F Opening Temperature: Activates 32°F sooner than stock 192°F thermostat to circulate coolant earlier and maintain lower engine temps
- 20°F Temperature Reduction: Drops overall coolant temps for improved diesel performance, lower exhaust gas temperatures and better turbo efficiency
- Direct OEM Replacement: Bolt-on design fits factory housing with no modifications required for seamless upgrade
- Included Thermostat Gasket: High-quality O-ring style gasket ensures leak-free seal during installation
- Durable Brass Construction: Precision-machined brass body and stainless steel spring resist corrosion and wear for long-term reliability
Product Notes
- Ideal for stock cooling systems or paired with upgraded radiators and fans
- Flush cooling system recommended before install to remove debris
- Packaged dimensions 5.5 x 4 x 1.75 inches with 0.44 lb shipping weight
Installation Notes
- Professional installation recommended.
- Drain coolant from radiator petcock before removal to avoid spills
- Torque thermostat housing bolts to 24 ft-lbs and use thread sealant on fittings
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003 | Ford | E-350 Club Wagon | Chateau |
| 2003 | Ford | E-350 Club Wagon | XL |
| 2003 | Ford | E-350 Club Wagon | XLT |
| 1996-1998 | Ford | E-350 Econoline | Base |
| 1996-1998 | Ford | E-350 Econoline | XL |
| 1996-2002 | Ford | E-350 Econoline Club Wagon | Chateau |
| 1996 | Ford | E-350 Econoline Club Wagon | Chateau HD |
| 1996-2000 | Ford | E-350 Econoline Club Wagon | Custom |
| 2001-2002 | Ford | E-350 Econoline Club Wagon | XL |
| 1996-1998 | Ford | E-350 Econoline Club Wagon | XL HD |
| 1996-2002 | Ford | E-350 Econoline Club Wagon | XLT |
| 1996-1998 | Ford | E-350 Econoline Club Wagon | XLT HD |
| 1999-2003 | Ford | E-350 Super Duty | Base |
| 1999-2000 | Ford | E-350 Super Duty | XL |
| 2003 | Ford | Excursion | Eddie Bauer |
| 2000-2003 | Ford | Excursion | Limited |
| 2000-2003 | Ford | Excursion | XLT |
| 1996 | Ford | F-250 | Eddie Bauer |
| 1996 | Ford | F-250 | Special |
| 1996 | Ford | F-250 | XL |
| 1996 | Ford | F-250 | XLT |
| 1997 | Ford | F-250 HD | XL |
| 1997 | Ford | F-250 HD | XLT |
| 1999-2003 | Ford | F-250 Super Duty | Lariat |
| 1999-2003 | Ford | F-250 Super Duty | XL |
| 1999-2003 | Ford | F-250 Super Duty | XLT |
| 1997 | Ford | F-350 | Base |
| 1996 | Ford | F-350 | Special |
| 1996-1997 | Ford | F-350 | XL |
| 1996-1997 | Ford | F-350 | XLT |
| 2003 | Ford | F-350 Super Duty | King Ranch |
| 1999-2003 | Ford | F-350 Super Duty | Lariat |
| 1999-2003 | Ford | F-350 Super Duty | XL |
| 1999-2003 | Ford | F-350 Super Duty | XLT |
| 1999-2003 | Ford | F-450 Super Duty | Lariat |
| 1999-2003 | Ford | F-450 Super Duty | XL |
| 1999-2003 | Ford | F-450 Super Duty | XLT |
| 1999-2003 | Ford | F-550 Super Duty | Lariat |
| 1999-2003 | Ford | F-550 Super Duty | XL |
| 1999-2003 | Ford | F-550 Super Duty | XLT |
Why Choose Mishimoto?
- Proven track record in diesel cooling upgrades for Powerstroke owners
- Lifetime warranty covers defects in materials and workmanship
- CAD-designed for exact fitment and maximum heat dissipation
Frequently Asked Questions
- Q: Will this fit my 2000 Ford F-250 Super Duty 7.3L Powerstroke?
A: Yes, direct fit for all 1999-2003 F-250 Super Duty Lariat XL XLT models with 7.3L engine and 4R100 or S6-650 transmission - Q: What is the thermostat made of?
A: Brass body with stainless steel spring and copper pellet for reliable low-temp operation in diesel coolant - Q: What warranty comes with this part?
A: Mishimoto Lifetime Warranty protects against manufacturing defects when installed and used properly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box 5.5 x 4 x 1.75 inches
- Weight: 0.44 lbs





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