BT 1121B – Volvo WX Series Charge Air Cooler


The all aluminum BT 1121B is an exact fit, OEM replacement charge air cooler for Volvo WX series trucks. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core measures 22.38 inches from tank to tank, 18.62 inches from side to side, and 2.76 inches thick. Aluminum tanks are TIG welded to the core and have a 3.5 inch inlet and outlet.

Core Measurements
Click for image
22.38 18.62 2.76


Additional Details
Inlet 3.5 inch
Outlet 3.5 inch
Matching Core BT 26-4