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SKU:
ZZ3F07215
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Supply Line Fuel Rail 3957079 5086870AA Fit Dodge Ram 2500 3500 2003-2009
$78.19
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$78.19
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$78.19
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Fuel Rail Supply Line for Dodge Ram
The Supply Line Fuel Rail 3957079 5086870AA is a replacement diesel fuel delivery line for Dodge Ram 2500 and 3500 models from 2003 to 2009, ensuring proper fuel pressure to the injectors. This fuel rail supply line restores reliable performance in high-mileage trucks.
Overview
This supply line fuel rail for Dodge Ram 2500 and 3500 (2003-2009) carries high-pressure diesel from the fuel pump to the rail assembly. It is a direct replacement for the original part, referencing OEM cross numbers 3957079 and 5086870AA. The fuel rail supply line helps maintain consistent engine performance in heavy-duty pickup applications.
Built For Performance
- High-tolerance steel tubing resists fatigue from pressure cycles
- Factory-matched fittings ensure leak-free connection
- Heat-treated ends prevent cracking under thermal expansion
- Compatible with diesel fuel systems on 5.9L and 6.7L engines
- Replaces worn part numbers 3957079 and 5086870AA
Fits These Machines
- for Dodge Ram 2500 (2003-2009)
- for Dodge Ram 3500 (2003-2009)
On-The-Job Use
- For daily towing and hauling in heavy-duty pickup trucks
- Suitable for fleet service and long-distance highway driving
- Commonly replaced during fuel system maintenance
- Works in both 4x4 and 4x2 configurations
Specs At A Glance
| Part Number(s) | 3957079, 5086870AA |
| Compatible Model | Dodge Ram 2500, 3500 (2003-2009) |
| Type | Fuel Rail Supply Line |
Good To Know
Q: Is this fuel rail supply line a direct replacement for my 2007 Ram 2500? A: Yes, it fits 2003-2009 Ram 2500 and 3500 models, but verify your engine (5.9L or 6.7L) before purchase.
Q: What symptoms indicate a failing supply line fuel rail? A: Hard starting, low fuel pressure, or visible fuel leaks near the rail are common signs that this line needs replacement.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.