S&B Heater Core Supply Hose 03-07 Ram 5.9L / 07.5-24 6.7L

Replace your old, leak-prone OEM heater core hose with the S&B Heater Core Supply Hose, built from high-quality materials for a lifetime of reliable service. This hose features a stainless steel fitting and heavy-duty silicone-wrapped hose, preventing the common cracking and coolant leaks near the cylinder head that occur over time.

Designed for a direct fit on Dodge Ram 2500/3500 trucks with 5.9L or 6.7L diesel engines, this hose restores proper coolant flow to your heater core for consistent cabin heat and peace of mind.

• Street Legal: Yes

• Fitment: 5.9L Diesel (2003–2007) / 6.7L Diesel (2007.5–2024)

• Features: Stainless steel fitting, heavy-duty silicone hose, leak-resistant, OEM replacement quality

Upgrade your heater core system and stop worrying about leaks. This S&B Hose is built to last.