Exide battery (Rural King) $89.00 and a NOCO 5 amp charger/maintainer has served my Kubota well. The NOCO will do 6v and 12v flooded, AGM, and gel. I formerly used NAPA Legend batteries but they changed suppliers and quality! :rolleyes:
Stuck plunger, fuel rack binding. When you installed the new injection pump, did you clean fuel tank and install new filter and fresh fuel? Is B1500 tractor or engine model. Pics of tractor, engine, an pump for everyone would help.(y)
The originals are black (Buna-N Nitrile). Viton (FKM or FPN) is available also. Viton has a higher temperature tolerance than Nitrile but with similar chemical resistance qualities.