The Eaton Fuller Sun Gear, part number 8881203, is a genuine Eaton manual transmission component designed for heavy-duty applications. The sun gear is a central element of the planetary gear set inside the transmission, working in conjunction with planet gears and the ring gear to transfer torque through the drivetrain. This part falls within Eaton’s manual transmission gear category and is sold individually. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components. Call us to confirm proper fit for your specific transmission model before ordering.Interchanges:HF8881203FeaturesGenuine Eaton Fuller manual transmission sun gearPart number 8881203Functions as the central gear in a planetary gear setSold individually (each)Compatible with Eaton Fuller manual transmission applications – call to confirm fitmentTech SpecsPart Number: 8881203Brand: Eaton FullerComponent Type: Sun GearTransmission Type: ManualSold As: Each