The BD Diesel 03-07 Dodge Cummins 5.9L Intercooler Silicone Boot with part number 1405305 is designed to provide a durable, high-performance connection between your intercooler and intake system. Engineered with a 3-inch inlet diameter and a length of approximately 3 inches, this silicone boot features a 4-ply construction that offers excellent flexibility and resilience under demanding conditions. Its robust material composition ensures resistance to heat, oil, and other automotive fluids, making it ideal for heavy-duty diesel applications. This intercooler boot is crafted to withstand the rigors of fleet and performance diesel engines, ensuring a tight seal that maintains boost pressure and prevents leaks during intense towing or high-power operation. The high-quality construction helps prevent cracking, hardening, and deterioration over time, contributing to long-term reliability and optimal engine performance. Designed specifically for the Dodge Cummins 5.9L engines from 2003 to 2007, this component is a direct replacement that simplifies installation and maintains factory fitment standards. Proper installation of this silicone boot can help improve intercooler efficiency, reduce charge air leaks, and support consistent power delivery across a range of demanding driving conditions. Whether performing routine maintenance or upgrading your vehicle’s intercooler system, this product from BD Diesel offers a reliable solution rooted in decades of diesel performance expertise.
Features:
- Heavy-duty silicone construction with 4-ply design for durability and flexibility
- Resistant to heat, oil, and automotive fluids to prevent cracking and hardening
- Engineered for optimal intercooler seal and boost pressure retention during towing and high performance
- Designed for direct fitment on 2003-2007 Dodge Cummins 5.9L engines, ensuring reliable long-term operation







