Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Designed specifically for the 2003-2007 Ford F-250 and F-350 Super Duty models with 6.0L Powerstroke engines, the Mishimoto DuraCore silicone boot kit offers a reliable upgrade over factory components. Crafted with Mishimoto's proprietary DuraCore technology, the innermost layer of this boot provides exceptional resistance to heat, pressure, fuel, and oil, significantly extending its service life. This advanced synthetic material prevents leaks and blowouts, ensuring consistent performance even under demanding conditions. The kit includes Mishimoto constant tension T-bolt clamps, which deliver precise and secure fastening, reducing the risk of leaks caused by clamp slippage or over-tightening. The perfect fit and durable construction make this boot an essential component for maintaining optimal airflow, improving engine efficiency, and reducing exhaust gas temperatures (EGTs). As part of Mishimoto’s commitment to quality, this performance boot kit is backed by a lifetime warranty, providing peace of mind for long-term reliability. Its installation replaces the factory pipe (part number 6C3Z-6C640-A), offering a straightforward upgrade for enthusiasts and mechanics seeking to enhance their Powerstroke’s durability and performance. Whether used for daily driving or heavy-duty work, this silicone boot kit ensures a lasting seal, helping to optimize engine operation and prevent costly failures. Compatibility covers a range of trims including Harley-Davidson, King Ranch, Lariat, XL, and XLT editions, making it a versatile choice for various F-250 and F-350 Super Duty trucks equipped with the 6.0L Powerstroke engine. Proper airflow and temperature management are critical for diesel engine longevity and performance, and this Mishimoto silicone boot kit addresses those needs effectively with precision engineering and high-quality materials.
Features:
Fitment:
2003 Ford Excursion Eddie Bauer
2003 Ford Excursion Limited
2003 Ford Excursion XLT
2003 Ford F-250 Super Duty Lariat
2003 Ford F-250 Super Duty XL
2003 Ford F-250 Super Duty XLT
2003 Ford F-350 Super Duty King Ranch
2003 Ford F-350 Super Duty Lariat
2003 Ford F-350 Super Duty XL
2003 Ford F-350 Super Duty XLT
2004 Ford Excursion Eddie Bauer
2004 Ford Excursion Limited
2004 Ford Excursion XLS
2004 Ford Excursion XLT
2004 Ford F-250 Super Duty Harley-Davidson Edition
2004 Ford F-250 Super Duty King Ranch
2004 Ford F-250 Super Duty Lariat
2004 Ford F-250 Super Duty XL
2004 Ford F-250 Super Duty XLT
2004 Ford F-350 Super Duty Harley-Davidson Edition
2004 Ford F-350 Super Duty King Ranch
2004 Ford F-350 Super Duty Lariat
2004 Ford F-350 Super Duty XL
2004 Ford F-350 Super Duty XLT
2005 Ford Excursion Eddie Bauer
2005 Ford Excursion Limited
2005 Ford Excursion XLS
2005 Ford Excursion XLT
2005 Ford F-250 Super Duty Harley-Davidson Edition
2005 Ford F-250 Super Duty King Ranch
2005 Ford F-250 Super Duty Lariat
2005 Ford F-250 Super Duty XL
2005 Ford F-250 Super Duty XLT
2005 Ford F-350 Super Duty Harley-Davidson Edition
2005 Ford F-350 Super Duty King Ranch
2005 Ford F-350 Super Duty Lariat
2005 Ford F-350 Super Duty XL
2005 Ford F-350 Super Duty XLT
2006 Ford F-250 Super Duty Harley-Davidson Edition
2006 Ford F-250 Super Duty King Ranch
2006 Ford F-250 Super Duty Lariat
2006 Ford F-250 Super Duty XL
2006 Ford F-250 Super Duty XLT
2006 Ford F-350 Super Duty Harley-Davidson Edition
2006 Ford F-350 Super Duty King Ranch
2006 Ford F-350 Super Duty Lariat
2006 Ford F-350 Super Duty XL
2006 Ford F-350 Super Duty XLT
2007 Ford F-250 Super Duty Harley-Davidson Edition
2007 Ford F-250 Super Duty King Ranch
2007 Ford F-250 Super Duty Lariat
2007 Ford F-250 Super Duty XL
2007 Ford F-250 Super Duty XLT
2007 Ford F-350 Super Duty Harley-Davidson Edition
2007 Ford F-350 Super Duty King Ranch
2007 Ford F-350 Super Duty Lariat
2007 Ford F-350 Super Duty XL
2007 Ford F-350 Super Duty XLT
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
