1972 to 1988 Husqvarna 125 & 175 VITON Crankshaft Seal Set EXCEPT 1975-76 175
1972 to 1988 HUSQVARNA 125 and 175 "VITON" MAIN CRANKSHAFT MAIN SEAL SET L&R (Except 1975-76 175)
Part # 15-13-724-01 (29-65-443-14) is 25x47x7
Part # 16-10-681-01 is 20x35x7
NOTE: Viton® fluoroelastomers provide exceptional physical properties including tolerance of heat, cold, chemicals and resistance to compression sets (stiffness).