The  word on the street is that Lincoln has, or soon will obsolete this solenoid for Perkins. You see these on the net, when you try to order, they are out of stock. Fits For Lincoln Classic 300D SA-400I SAE-300.

Classic 300D (Perkins) - 11110, 11248, 11280, 11411, 11472, 11545 Classic 300D WFM (Perkins) - 11111, 11249, 11281, 11412, 11473, 11546