Fleece Performance 89-98 Dodge 2500/3500 5.9L 12V Cummins Replacement Heater Tube and Hose 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 truck's heating system with the Fleece Performance FPE-CUMM-SSHCL-12V heater tube and hose kit, designed specifically for 1989-1998 Dodge 2500 and 3500 trucks equipped with the 5.9L 12V Cummins engine. This comprehensive kit provides a direct replacement for your original heater lines, ensuring reliable performance and improved durability. Constructed from high-quality stainless steel, the heater tubes offer corrosion resistance and long-lasting performance, replacing the original Cummins parts 3912086 and 3912087. The kit includes silicone hoses for the connection from the heater core to the engine block, with straight and 90-degree configurations, offering flexibility for various engine bay layouts. Additionally, 45-degree hoses facilitate routing to the firewall, while anodized billet aluminum hold-down clamps, standoffs, and mounting hardware secure the components firmly in place, compatible with both stock and aftermarket manifolds. This kit is tailored for trucks originally equipped with air conditioning; if your vehicle lacks A/C, additional hose supplies are required for proper installation. The silicone hoses may need trimming to accommodate engine modifications or specific configurations, and an extra mounting bracket is provided if an aftermarket exhaust manifold is installed. Designed to meet the demands of diesel truck owners, this kit enhances heater reliability and simplifies installation, making it an ideal upgrade for maintaining comfortable cabin temperatures and ensuring efficient engine cooling. Whether restoring an older model or upgrading a well-used vehicle, the Fleece Performance heater line kit delivers quality and ease of installation, backed by durable materials and precision engineering.

Features:

• Stainless steel heater tubes: corrosion-resistant and durable, replacements for OEM parts 3912086 and 3912087

• Silicone heater hoses: flexible, high-temperature resistant hoses for connecting the heater core to the engine block and firewall

• Straight and 90-degree hoses: provide versatile routing options for various engine bay configurations

• 45-degree hoses: facilitate optimal routing to the firewall for a clean and secure installation

• Anodized billet aluminum clamps and standoffs: secure hoses and tubes firmly, compatible with stock and aftermarket manifolds

• Complete mounting hardware: includes clamps, brackets, and hardware necessary for a secure fit

• Designed for trucks with factory air conditioning: ensures proper fitment and function in A/C equipped vehicles

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1