Silicone Hose Kit for Dodge Ram 2500 Ram 3500 (1999-2002) 5.9L

High-Temp Silicone Radiator Hose Kit for 1999-2002 Dodge Ram 2500, Ram 3500

What it Does: The Silicone Hose Kit replaces the factory vulcanized rubber coolant lines on the 1999-2002 Ram 2500, Ram 3500 to prevent high-pressure blowouts, eliminate thermal degradation, and ensure consistent coolant circulation under sustained towing loads.

The Stock Dodge Ram 2500, Ram 3500 Cooling System Degradation

Factory EPDM rubber hoses on the second-generation BR/BE chassis are prone to premature aging due to extreme under-hood thermal cycles and oil vapor exposure common to the 5.9L Cummins ISB engine bay. Over time, OEM rubber loses its elasticity, resulting in microscopic dry-rot cracks, inner-liner delamination, and severe softening near high-heat areas like the thermostat housing and turbocharger discharge. Under heavy towing duty, peak cooling system pressures cause OEM hoses to balloon or collapse, restricting core coolant velocity and risking catastrophic hose burst failures under load.

The Engineering Solution

This replacement cooling kit is fabricated from high-grade multi-ply reinforced silicone, engineered specifically to withstand elevated operating pressures and temperatures ranging from -65°F to 500°F. The ultra-smooth inner bore reduces boundary-layer fluid drag to optimize coolant flow through the radiator core. Integrated fabric plies prevent radial expansion under pressure surges, while the molded geometric contours match the factory BR/BE routing precisely for an exact slip-on fit over cast thermostat necks and radiator inlets without kinking or binding.

Technical Specifications

Compatibility

• 1999 Dodge Ram 2500 Base 5.9L
• 1999 Dodge Ram 3500 Base 5.9L
• 2000 Dodge Ram 2500 Base 5.9L
• 2000 Dodge Ram 3500 Base 5.9L
• 2001 Dodge Ram 2500 Base 5.9L
• 2001 Dodge Ram 3500 Base 5.9L
• 2002 Dodge Ram 2500 Base 5.9L
• 2002 Dodge Ram 3500 Base 5.9L

Frequently Asked Questions

Does this fit the BR/BE Ram 2500, Ram 3500?
Yes, this is a direct fit for the 1999-2002 Dodge Ram 2500, Ram 3500 equipped with the 5.9L engine.

Should I use standard worm-drive clamps or constant-tension T-bolt clamps?
Lined worm-gear or T-bolt clamps are recommended to prevent cutting into the exterior silicone jacket during thermal expansion cycles.

The Dodge Heavy-Duty Standard

Built for commercial hauling and severe-duty towing, this reinforced silicone hose system eliminates the vulnerable weak link in your cooling circuit, ensuring dependable engine thermal regulation across severe grade climbs and demanding payload conditions.