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The Wehrli WCFab OEM‑placement coolant tank replaces stock reservoirs on 2017–2019 L5P Duramax 2500/3500 and select 2019+ L5D Duramax models to improve under‑hood appearance and serviceability. Fabricated from aluminum with a powder coat finish, it includes a billet sight glass, serviceable float‑type sensor, anodized cap and hardware to address known sensor failures while matching OEM mounting locations.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Illusion Blueberry
