ACDelco Premium Expansion Tanks

Brand: ACDelco | Part #CLG-D42AC7

Category: Cooling > Expansion Tanks

The ACDelco Premium Expansion Tanks (P/N CLG-D42AC7) 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-D42AC7 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2019–2021 Acura including MDX Type S, Integra, MDX. 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: $66.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.