The Wehrli Custom Fab OEM-placement coolant tank replaces the stock plastic reservoir on 2020–2025 Chevrolet and GMC 6.6L L5P Duramax trucks with a fabricated aluminum tank finished in Cat Yellow and featuring a sight glass. It uses OEM mounting points for a straightforward install and includes a billet anodized cap, mounting hardware, overflow hose and low coolant level sensor for a finished look.
Wehrli 20-24 Chevrolet-GMC 6.6L L5P Duramax OEM Placement Coolant Tank Kit - CAT Yellow