Notes: 114371-77151 CASE ASSY,GEAR is original YANMAR product. 114371-77151 CASE ASSY,GEAR5 is commonly used in transmissions/axles/engines L100AEDTM, L100AEDET, L100AEDEGTMTM, L100AE-DYC, L100AESYC, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849