Thrust Nut 2 Hole

Installs at the end of the 3000 series direct drive crank assembly.

It works as a whiffle tree coupler, and holds the 3000 series thrust bearing.

Dimensions are 2-1/2 inches tall, 1 inch diameter.

Note: Sub number for 1990's units is 4751-3671 4751A3671 and 4751B3671. Your original thrust nut may have pins spaced in a straight line.

Part number 4720B2388