Description
The Mishimoto MMBK-F2D-03HU is a direct-fit, hot-side upper silicone intake boot built specifically for the 6.0L Ford Powerstroke, engineered to replace the factory pipe (part number 6C3Z-6C640-A) that is prone to failure over time. Constructed with Mishimoto’s proprietary DuraCore technology in the innermost layer, this black silicone boot is designed to stand up to the heat, pressure, fuel, and oil exposure that break down ordinary silicone couplers.
As part of a complete air intake system, this boot plays a critical role in keeping the path between the turbo and intercooler sealed and pressurized. A worn or cracked factory boot can leak boost, hurt airflow, and drive up exhaust gas temperatures — issues this Mishimoto performance boot is built to correct. By improving airflow and helping control EGTs, it supports the same goals drivers look for when researching a cold air intake, cold air intake filter, or air intake system upgrade, even though this specific product is a boot rather than an intake filter kit. It’s a performance-grade, specific-fit part rather than a universal coupler, so it installs exactly where the factory boot sits with no modification required.
Vehicle Applications
This Mishimoto boot kit is a specific fit for 2003–2005 Ford Excursion Eddie Bauer, Limited, and XLT, along with the 2004–2005 Excursion XLS. It also fits the 2003–2007 Ford F-250 Super Duty in XL, XLT, and Lariat trims, plus the 2004–2007 F-250 Super Duty King Ranch and Harley-Davidson Edition. Coverage extends to the 2003–2007 Ford F-350 Super Duty XL, XLT, Lariat, and King Ranch, as well as the 2004–2007 F-350 Super Duty Harley-Davidson Edition. It further fits the 2003–2007 Ford F-450 Super Duty XL, XLT, and Lariat, the 2003–2004 F-450 Super Duty Base, and the 2003–2007 Ford F-550 Super Duty Base, XL, XLT, and Lariat.
Features
- Direct fit for the 2003-2007 6.0L Powerstroke
- Replaces weak factory pipe (part number 6C3Z-6C640-A)
- Improves airflow, power, and EGTs
- DuraCore technology provides superior resistance to heat, pressure, fuel, and oil
- Includes high-quality constant-tension T-bolt clamps
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Brand: Mishimoto
- Part Number: MMBK-F2D-03HU
- Material: Silicone with DuraCore
- Color: Black
- Grade Type: Performance
- Universal or Specific Fit: Specific
- Clamps Included: Yes
- Maximum Temperature Rating: 428
- Purchase Includes: (1) Hot Side, Upper Silicone Boot with DuraCore technology, (2) Constant-Tension T-Bolt clamps, (1) Mishimoto Lifetime Warranty
- Installation Torque Specs: 27 in-lbs (3NM) recommended for all T-bolt and constant tension T-bolt clamps; operating range of 18-35 in-lbs (2-4NM); do not exceed 35 in-lbs (4NM) maximum
Frequently Asked Questions
What vehicles does the Mishimoto MMBK-F2D-03HU boot kit fit?
This boot kit is a specific fit for the 2003–2005 Ford Excursion (Eddie Bauer, Limited, XLT) and 2004–2005 Excursion XLS, the 2003–2007 Ford F-250 and F-350 Super Duty (XL, XLT, Lariat, King Ranch) with the 2004–2007 Harley-Davidson Edition, the 2003–2007 Ford F-450 Super Duty (XL, XLT, Lariat) and 2003–2004 F-450 Base, and the 2003–2007 Ford F-550 Super Duty (Base, XL, XLT, Lariat).
What does this boot kit include?
The kit includes one Hot Side, Upper Silicone Boot with DuraCore technology, two Constant-Tension T-Bolt clamps, and the Mishimoto Lifetime Warranty.
What is Mishimoto DuraCore technology?
DuraCore is the synthetic material that makes up the innermost layer of Mishimoto silicone diesel boots. Compared to normal silicone, it provides superior resistance to heat, pressure, fuel, and oil, which helps prevent leaks and blowouts and extends the life of the boot.
What torque should be used when installing the included clamps?
Mishimoto recommends 27 in-lbs (3NM) for all T-bolt and constant tension T-bolt clamps. The clamps have an operating range of 18-35 in-lbs (2-4NM), and the maximum torque rating of 35 in-lbs (4NM) should not be exceeded.
What factory part does this boot replace?
This Mishimoto boot replaces the weak factory pipe with part number 6C3Z-6C640-A on the 6.0L Ford Powerstroke.
What material and color is the boot made from?
The boot is made from black silicone with DuraCore technology and has a maximum temperature rating of 428.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
