M661 Float Tube$29.00 Replacement float tube for M661 drive shaft. M661 Float Tube quantity Add to cart Description Description Replacement float tube for M661 drive shaft. Part no. M661-0302 Related products Front Casting and Bushings $18.00 – $165.00 Select options M81 Complete Gearbox $954.00 Add to cart 2.5″ O.D. x 1/2″ Pulley $30.00 Add to cart Revolving Arm for M755 $134.00 Add to cart Revolving Arm for M661 $124.00 Add to cart