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Wehrli upper coolant pipe for 2020–2025 Chevrolet/GMC trucks with the 6.6L L5P Duramax replaces the factory rubber upper radiator hose with a fabricated aluminum hard pipe in a powder‑coat finish. It fits stock trucks without modifications, installs with basic hand tools, and comes with silicone boots and stainless steel T-bolt clamps. Note: some aftermarket radiators may cause fitment issues.
Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red
