Description
The Mishimoto MMBK-F2D-08HU is a direct-fit, hot side upper silicone boot built with Mishimoto’s DuraCore technology, engineered specifically to replace the weak factory pipe (part number 8C3Z-6W650-A) on the 2008-2010 Ford 6.4L Powerstroke. This isn’t a generic hose — it’s a precision-engineered boot kit designed to restore reliability to a factory-known weak point in the air intake system, backed by the Mishimoto Lifetime Warranty.
As a core component of your truck’s air intake system, this boot connects critical charge piping and must withstand constant exposure to heat, pressure, fuel, and oil. Mishimoto’s DuraCore technology forms the innermost layer of the boot, offering superior resistance to these conditions compared to standard silicone, which helps extend service life and prevent leaks or blowouts. To reinforce that reliability, the kit pairs the boot with Mishimoto’s constant-tension T-bolt clamps, delivering accurate and consistent holding power at the connection points — a meaningful upgrade over the factory setup for anyone serious about protecting their air intake and boost system for the long haul.
Vehicle Applications
This boot kit is a specific fit engineered for the Ford Super Duty lineup equipped with the 6.4L Powerstroke. Coverage includes the F-250 Super Duty FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, and XLT for 2008-2010, along with the F-250 Cabela’s edition for 2009-2010. On the F-350 Super Duty, it fits the FX4 for 2008-2009 and the Harley-Davidson Edition, King Ranch, Lariat, XL, and XLT for 2008-2010, plus the Cabela’s edition for 2009-2010. F-450 Super Duty coverage spans the King Ranch, Lariat, XL, and XLT for 2008-2010, the Harley-Davidson Edition for 2009-2010, and the Base trim for 2010. Rounding out the fitment, the F-550 Super Duty is covered on the Lariat, XL, and XLT for 2008-2010 and the Base trim for 2008.
Features
- Direct fit for the 2008-2010 Ford 6.4L Powerstroke
- Replaces weak factory pipe (part number 8C3Z-6W650-A)
- DuraCore technology provides superior resistance to heat, pressure, fuel, and oil
- Includes high-quality constant-tension T-bolt clamps for accurate and consistent holding power
- Precision engineered for a flawless fit
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Material: Silicone with DuraCore
- Color: Black
- Clamps Included: Yes
- Universal or Specific Fit: Specific
- Grade Type: Performance
- Maximum Temperature Rating: 428
- Installation Torque Specs: 27 in-lbs (3NM) recommended for all T-bolt and constant-tension T-bolt clamps; operating range 18-35 in-lbs (2-4NM); do not exceed the maximum torque rating of 35 in-lbs (4NM)
- Purchase Includes: (1) Hot Side, Upper Silicone Boot with DuraCore technology, (2) Constant-Tension T-Bolt clamps, (1) Mishimoto Lifetime Warranty
Frequently Asked Questions
What vehicles does the Mishimoto MMBK-F2D-08HU boot kit fit?
This is a specific fit for the 2008-2010 Ford 6.4L Powerstroke, covering F-250, F-350, F-450, and F-550 Super Duty trucks across trims including XL, XLT, Lariat, King Ranch, FX4, Harley-Davidson Edition, Cabela’s, and Base, with exact year coverage varying by trim as listed in the vehicle applications section.
What does the Mishimoto 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 DuraCore technology?
DuraCore is the synthetic material that makes up the innermost layer of Mishimoto’s 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 factory part does this boot replace?
This boot kit replaces the weak factory pipe with part number 8C3Z-6W650-A on the 2008-2010 Ford 6.4L Powerstroke.
What is the recommended installation torque for the included clamps?
The recommended installation torque is 27 in-lbs (3NM) for all T-bolt and constant-tension T-bolt clamps. These 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.
Does this Mishimoto boot kit come with a warranty?
Yes, this boot kit is backed by the Mishimoto Lifetime Warranty.
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.
