Dorman Performance Expansion Tanks

Brand: Dorman | Part #CLG-3957EF

Category: Cooling > Expansion Tanks

The Dorman Performance Expansion Tanks (P/N CLG-3957EF) is a direct-fit Expansion Tanks for the vehicles listed in the fitment section. Coolant flow rate matches OE pump output, so cabin heat and engine operating temperature behave as expected from day one. Sourced from Dorman, a recognized supplier in the aftermarket auto parts channel. Part number CLG-3957EF is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2006–2010 Acura including TLX. Use the year/make/model selector above to verify your exact configuration before checkout. In-stock items leave the warehouse within one business day. Free shipping over $75; ground delivery is 3–7 business days nationwide. 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: $242.99 | In stock — ships within 1-2 business days. Free shipping.

Vehicle Compatibility

Compatible Makes: Acura

Compatible Models: TLX

Year Range: 2006–2010