SKU: MMTS-F2D-96H | UPC: 748354013979
Mishimoto Ford 7.3L Powerstroke High-Temperature Thermostat 1996-2003 F-250/F-350 Super Duty, Excursion, E-350
The Mishimoto High-Temperature Thermostat upgrades cooling control for 1996-2003 Ford vehicles equipped with the 7.3L Powerstroke diesel engine, including F-250/F-350/F-450/F-550 Super Duty, Excursion, and E-350/E-450 series. Opening at 203°F versus the stock 192°F, it accelerates engine warm-up, sustains peak operating temperatures, and enhances fuel economy while protecting against oil dilution in diesels. This direct-fit part delivers reliable performance for daily drivers or high-output builds.
Key Features
- 203°F Opening Temperature: Promotes quicker heat-up to operating range, optimizes combustion, cuts emissions, and prevents excessive idling in cold conditions
- CNC-Machined Billet Aluminum Housing: Delivers unmatched durability and heat dissipation compared to factory stamped steel or plastic designs
- High-Quality EPDM Rubber O-Ring: Creates a tight, long-lasting seal to prevent coolant leaks under pressure
- Included Thermostat Gasket: Provides everything needed for a complete, hassle-free replacement without sourcing extras
- Direct OEM Replacement Design: Matches factory mounting points for bolt-on installation in under 30 minutes on most applications
Product Notes
- Compatible only with 7.3L Powerstroke diesel engines. gas engines require different part
- Pair with Mishimoto silicone hoses for full cooling system reliability
- Ships in protective retail packaging with weight of 0.95 lbs
Installation Notes
- Professional installation recommended.
- Drain radiator coolant prior to removal of stock thermostat
- Use factory torque specs of 24 ft-lbs on housing bolts. no additional hardware required
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 worldwide
- Every part tested on dyno and real-world trucks for consistent results
- Exact OEM-spec engineering with performance-focused materials
Frequently Asked Questions
- Q: Will this thermostat fit my 2001 Ford F-350 Super Duty 7.3L Powerstroke?
A: Yes, it directly replaces the OEM thermostat on all 1996-2003 Ford 7.3L Powerstroke models including F-350 Super Duty Lariat, XL, and XLT trims - Q: What material is used for the thermostat housing?
A: Precision CNC-machined billet aluminum for strength, lightweight design, and resistance to corrosion in coolant environments - Q: What warranty coverage is provided?
A: Mishimoto Lifetime Warranty protects against defects in materials and workmanship when installed and maintained properly
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Mishimoto branded retail box measuring 4.25 x 3.5 x 2.5 inches
- Weight: 0.95 lbs
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