Dorman Ultra Expansion Tanks

Brand: Dorman | Part #CLG-B1B19C

Category: Cooling > Expansion Tanks

The Dorman Ultra Expansion Tanks (P/N CLG-B1B19C) is a direct-fit Expansion Tanks for the vehicles listed in the fitment section. Materials are corrosion-resistant in mixed-metal cooling systems running long-life or HOAT/OAT coolants. Sourced from Dorman, a recognized supplier in the aftermarket auto parts channel. Part number CLG-B1B19C is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2018–2025 Jeep, Mazda, BMW, Lexus including Grand Wagoneer, Wagoneer, CX-90, MX-5 Miata, Mazda3, 3 Series. Use the year/make/model selector above to verify your exact configuration before checkout. Same- or next-business-day handling on in-stock orders. Free US shipping over $75 — no surprise oversized fees on this item. Backed by a 90-day return window — if the part doesn't fit or the wrong unit was shipped, send it back for a full refund.

Price: $92.99 | In stock — ships within 1-2 business days. Free shipping.