FYI: RBT is the one and only manufacturer of the ZF transaxle and parts. Decades ago, Roy Butfoy (RBT) purchased 100% of the rights, tooling and parts inventory from ZF. ZF no longer has any interest in the transaxle. When buying ZF parts from anyone other than RBT, you should ascertain whether the parts are made by RBT (ZF) or are aftermarket. Aftermarket parts may or may not be OK but you should have a clear understanding of exactly what you're buying.
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