ACDelco Pro Series Expansion Tanks

Brand: ACDelco | Part #CLG-56B78E

Category: Cooling > Expansion Tanks

The ACDelco Pro Series Expansion Tanks (P/N CLG-56B78E) is a direct-fit Expansion Tanks for the vehicles listed in the fitment section. Built to withstand sustained heat-cycling without delamination, cracking, or pressure-cap fatigue. Sourced from ACDelco, a recognized supplier in the aftermarket auto parts channel. Part number CLG-56B78E is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2020–2024 GMC, Lincoln, RAM including Yukon, Sierra HD, Yukon XL, Aviator, Navigator, Corsair. Use the year/make/model selector above to verify your exact configuration before checkout. Ships from a US warehouse in 1–2 business days. Free shipping on orders $75+, flat-rate ground otherwise. 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: $284.99 | In stock — ships within 1-2 business days. Free shipping.