Welcome To Merchant Automotive—The Duramax Diesel Engine & Allison Transmission Performance Specialists You Can Count On!

ACDelco Surge Tank Radiator Overflow Cap, 2011-2016, Duramax


Due to daily fluctuating stock levels, please call (616) 772-9551 for time sensitive orders.

Our Guarantees

Truck Expert a call away The fastest shipping lifetime customer support

Product Information

Radiator caps utilize a simplified, rigid design that requires no adjustment and can increase cooling efficiency and prevent coolant evaporation by keeping air out of the coolant system.

Reviews & Questions