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SKU: FPE-CUMM-SSHCL-12V
Fleece Performance 89-98 Dodge 2500/3500 5.9L 12V Cummins Replacement Heater Core Line Kit
This kit replaces factory rubber heater core hoses that crack and leak on 1989-1998 Dodge 2500/3500 trucks with 5.9L 12V Cummins engines. Stainless steel braided lines provide consistent coolant flow and cabin heat even in extreme conditions. Direct bolt-on design installs on 1st and 2nd gen Cummins trucks without changes for dependable performance.
Key Features
- Stainless Steel Braiding: Resists heat expansion cracking and offers long-lasting durability beyond rubber hoses
- Direct OEM Replacement: Matches factory routing and fittings for plug-and-play installation on 12V Cummins
- Complete Upper and Lower Lines: Includes both hoses with pre-assembled AN fittings for full heater core service
- Black PVC Outer Coating: Protects lines from road debris abrasion and engine bay heat
- Leak-Proof Seals: High-pressure construction holds coolant under diesel engine demands
Product Notes
- Inspect OEM fittings during install for wear to ensure proper sealing
- Clean heater core connections before installation to prevent clogs
- Kit weighs 0.8 lbs and measures 10 x 6 x 2 inches unpacked
Installation Notes
- Professional installation recommended.
- Drain coolant system first and use new O-rings on fittings
- Compatible with stock heater core and factory mounting points
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1993 | Dodge | D250 | Base 5.9L 12V Cummins |
| 1989-1993 | Dodge | D350 | Base 5.9L 12V Cummins |
| 1989-1993 | Dodge | W250 | Base 5.9L 12V Cummins |
| 1989-1993 | Dodge | W350 | Base 5.9L 12V Cummins |
| 1994-1998 | Dodge | Ram 2500 | 5.9L 12V Cummins |
| 1994-1998 | Dodge | Ram 3500 | 5.9L 12V Cummins |
Why Choose Fleece Performance?
- Proven leader in Cummins diesel upgrades since 1996
- Manufactured with premium materials for daily driver reliability
- Engineered in USA for exact fit on Dodge Ram trucks
Frequently Asked Questions
-
Q: Will this fit 1994-1998 Ram 2500/3500 12V models?
A: Yes it directly replaces OEM lines on all 1989-1998 Dodge trucks with 5.9L 12V Cummins including 1st gen D/W series and 2nd gen Rams -
Q: What material are the lines made from?
A: Braided stainless steel inner core with black PVC outer jacket and aluminum AN fittings for corrosion resistance -
Q: What is the warranty and install time?
A: Backed by Fleece 1-year warranty. Install takes 30-60 minutes with basic tools after draining coolant
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact box 12 x 8 x 4 inches
- Weight: 1.2 lbs shipped
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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