The Yanmar 721120-51700 Injection Pump is a high-pressure pump designed for diesel fuel injection in a John Deere 850 tractor. Made by Yanmar, this mechanical pump is compatible with Yanmar and John Deere equipment. With its specific manufacturer part number and fuel type, this injection pump ensures reliable performance and efficient fuel delivery for your tractor.

Worked great when removed! Everything is free and clean internally outside will need cleaned before install due to storage. Recommend o rings before use due to storage

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