Piston & Crankshaft
part # model applied date qty interchange superceded
from to newer former
SET RING PISTON O/ 0.75 (RIK VENT)
12037-23000 1 Yes Yes 12037-A3500
12037-A3500 1
SET RING PISTON O/S 0.25 (RIK VENT)
12035-23000 1 Yes Yes 12035-A3500
12035-A3500 1
SET RING PISTON O/S 0.50 (RIK VENT)
12036-A3500 1
12036-A3501 1 Yes Yes 12036-A3500
SET RING PISTON O/S 1.00 (RIK VENT)
12038-A3500 1
12038-A3501 1 Yes Yes 12038-A3500
SET RING PISTON O/S 1.50 (RIK VENT)
12040-A3500 1
SET RING PISTON STD (RIK VENT)
12033-A3500 L13 1
12033-A3501 L13 1 Yes Yes 12033-A3500