For 1995-2006 Chevrolet W3500 Tiltmaster - A/C Evaporator Core Four Seasons

1995 Chevrolet W3500 Tiltmaster Outlet fitting size M22 x 1.5;. 1996 Chevrolet W3500 Tiltmaster Outlet fitting size M22 x 1.5;. 1997 Chevrolet W3500 Tiltmaster Outlet fitting size M22 x 1.5;. 1998 Chevrolet W3500 Tiltmaster Outlet fitting size M22 x 1.5;.