Fleece Performance 89-98 Dodge 2500/3500 5.9L 12V Cummins Replacement Heater Core Line Kit

Replace your leaking or corroded heater tubes with our upgraded stainless steel tubes and high temperature silicone hose kit from Fleece Performance. This kit contains everything you need to replace your heater lines from the block to the firewall. This kit is designed as a direct replacement for all trucks originally equipped with air conditioning. Kit includes: Stainless steel heater tube - replaces Cummins 3912086 Stainless steel heater tube - replaces Cummins 3912087 Silicone heater hose (straight tube to block) - replaces Cummins 3931522 Silicone heater hose (90 deg tube to block) - replaces Cummins 3957649 Silicone heater hoses (45 deg tubes to firewall) Anodized billet aluminum hold down clamps, billet aluminum standoff, and mounting hardware for both stock and aftermarket manifolds Hose clamps Application Notes: This kit is intended for use with trucks originally equipped with air-conditioning. If your truck is not equipped with air conditioning, you will need to supply your own ?" ID hose to run from the firewall ports to the stainless steel heater lines. The silicone heater hose (tube to firewall) may require trimming for certain applications or to accommodate modifications made previously to the engine. If your truck is equipped with an aftermarket exhaust manifold, the rear heater line standoff will not be utilized and an additional mounting bracket is provided. Recommended Cross Sell Skus - FPE-61-10013-HD/FPE-SF-CUMM-9197/FPE-PF-CUMM-9197

Upgrade your vehicle's heating system with the Fleece Performance FPE-CUMM-SSHCL-12V heater line kit, designed specifically for Dodge trucks from 1989 to 1998 equipped with the 5.9L 12V Cummins engine. This comprehensive kit replaces your original leaking or corroded heater tubes, ensuring reliable operation and restoring proper engine heating. Crafted from durable stainless steel, the heater tubes provide enhanced corrosion resistance and longevity compared to OEM parts. The kit includes straight and 90-degree silicone hoses, which connect the heater core to the engine block and firewall, offering flexibility for installation and modifications. All components are engineered to fit seamlessly, with anodized billet aluminum hold-down clamps, billet aluminum standoff, and mounting hardware compatible with both stock and aftermarket manifolds. This ensures a secure and professional installation that withstands high temperatures and demanding conditions. The silicone hoses are designed with high-temperature resistance, maintaining integrity under engine heat, and are easily trimmed if necessary for custom applications. Please note, this kit is intended for trucks originally equipped with air conditioning; non-A/C trucks will require additional hoses to complete the installation. The kit's hardware and clamps facilitate a clean, secure fit, preventing leaks and ensuring your heating system functions optimally. Whether you're restoring a classic diesel truck or upgrading your existing heater lines, this kit provides a reliable solution for maintaining engine temperature and comfort. Proper installation will help prevent future leaks, reduce downtime, and extend the lifespan of your truck’s heating system, making it an essential upgrade for Dodge 2500 and 3500 owners seeking durability and performance.

Features:

• Stainless steel heater tubes: replace original OEM parts with durable, corrosion-resistant components

• High-temperature silicone hoses: flexible, reliable connection from the engine block to firewall

• Billet aluminum clamps and standoffs: secure mounting hardware for a professional installation

• Complete kit includes straight and angled hoses: designed for versatile routing and fitment

• Designed for trucks with factory air conditioning: ensures proper fitment and compatibility

Fitment:
Dodge D250 Base 1989
Dodge D250 Base 1990
Dodge D250 Base 1991
Dodge D250 Base 1992
Dodge D250 Base 1993
Dodge D350 Base 1989
Dodge D350 Base 1990
Dodge D350 Base 1991
Dodge D350 Base 1992
Dodge D350 Base 1993