M661 Electric Box Housing$32.00 Electric box housing (plastic) for M661 or M755. M661 Electric Box Housing quantity Add to cart Description Description Electric box housing (plastic) for M661 or M755. Part no E9801 Related products Drive Springs $12.00 – $14.00 Select options M888 Complete Gearbox $900.00 Add to cart Revolving Arm for M661 $107.00 Add to cart 2″ O.D. x 5/8″ Pulley $26.00 Add to cart 7″ x 5/8″ Pulley $70.00 Add to cart