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SKU: FPE-CUMM-HCL-KIT-1324
Fleece Performance 2013-2024 Ram 2500/3500 6.7L Cummins Lower Heater Return Hose
Replace the factory lower heater return hose prone to cracking on 2013-2024 Ram 2500 and 3500 trucks with 6.7L Cummins diesel engines. This Fleece Performance kit delivers reliable coolant flow for consistent cab heating. Engineered to withstand high pressures and temperatures for long-term durability.
Key Features
- 1/2" ID Silicone Hose: High-temperature resistant material handles extreme engine bay conditions without degrading or bursting
- Stainless Steel Overbraid: Provides reinforcement to prevent kinks abrasions and external damage during operation
- Black Powder-Coated Aluminum Fittings: Corrosion-resistant design with OEM-style connections for secure leak-free seals
- Direct Bolt-On Fit: Matches factory routing and mounting points for straightforward replacement on 6.7L Cummins
- Leak Prevention: Eliminates common failures from stock rubber hoses especially after tuning or high-mileage use
Product Notes
- Inspect OEM hose connections before installation to ensure compatibility
- Coolant must be drained and refilled per factory service manual after install
- Packaged securely to arrive ready for immediate use
Installation Notes
- Professional installation recommended.
- Drain coolant system and remove factory lower heater return hose from thermostat housing to heater core
- Uses existing OEM mounting clips and hardware for plug-and-play setup
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2024 | Ram | 2500 | 6.7L Cummins Diesel |
| 2013-2024 | Ram | 3500 | 6.7L Cummins Diesel |
Why Choose Fleece Performance?
- Specializes in Cummins diesel components with decades of engineering expertise
- Manufactured in the USA using premium materials for diesel truck demands
- Trusted by performance enthusiasts for reliable upgrades that last
Frequently Asked Questions
-
Q: Will this fit 2019-2024 high-output Cummins models?
A: Yes it fits all 2013-2024 Ram 2500/3500 6.7L Cummins including standard and high-output variants with identical heater line routing -
Q: What makes the hose more durable than stock?
A: 1/2-inch silicone construction with stainless steel braid resists cracking heat and pressure far better than factory rubber -
Q: What is the warranty and install time?
A: Backed by Fleece Performance limited lifetime warranty on defects. Install takes 30-60 minutes with basic tools after draining coolant
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective box 12 x 8 x 4 inches
- Weight: 1.2 lbs
Fabrication
Shop Fabrication Parts & Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, fuel systems, and engine bay routing. Start with tubing (304 or 321 stainless, titanium, or aluminum) in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. AN plumbing follows the same pattern: match dash size to horsepower target, pair the right hose (PTFE or CPE) with matching hose ends, and use adapters, bulkheads, and distribution blocks to route fuel, oil, and coolant cleanly. Shop by material (stainless, titanium, aluminum), fitting type (AN, ORB, NPT), diameter, or brand (Vibrant, Ticon, Stainless Bros, Radium, Fragola, DEI, ATP). ...
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Fleece Performance
Fleece Performance Engineering has grown from a small Indiana operation into one of the most respected names in high-performance diesel upgrades, with a product catalog built specifically around the Duramax and Cummins common rail diesel platforms that dominate the high-horsepower diesel community. Founded by brothers Brayden and Chase Fleece in a rural west-central Indiana pole barn, the company established itself as a technology leader in common rail injection systems within five years, developing the Cheetah turbocharger line and the TurboBrake electronic exhaust brake that have become standard references for what diesel performance engineering can achieve. Fleece operates from an 18,750-square-foot Brownsburg, Indiana facility capable of in-house design, manufacturing, assembly, and testing, placing them among the high-output diesel specialists who supply race teams and serious street performance builds. This collection covers Fleece Performance's full range of Duramax and Cummi...
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