The McCormick 3142894R1 is a genuine OEM spring designed for various McCormick D-series tractor models, including D320, D324, D326, D430, D432, D436, D439, and D440. This robust spring ensures proper function and durability, maintaining the performance of your agricultural machinery. It is also cross-referenced with Case IH and International Harvester part number 3142894R1, indicating broad compatibility within the CNH Industrial equipment range.