Notes: 165001-09960 BOLTM5X10-SW is original YANMAR product. 165001-09960 BOLTM5X10-SW5 is commonly used in transmissions/axles/engines L70AE-DEP4ST, L70AE-DP4ST, L70AE-DPY4, YDP40E-2, YDP40STE-2, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849