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The Sinister Diesel radiator pipe for 2003–2018 Dodge/RAM Cummins 5.9L replaces the factory radiator hose with a finished Sinister Gray component designed to fit the cooling circuit for that engine family. Intended as an OEM-style replacement, the pipe provides a durable connection for coolant routing and a cleaner under-hood appearance without changing core cooling function.
Sinister Diesel 03-18 Dodge/RAM Cummins 5.9L Radiator Pipe - Gray
