018439 – Key, FWD-REV Shaft – Ariens / Gravely – Genuine OEM The Ariens / Gravely® 018439 forward/reverse shaft key is a genuine OEM drive key used to secure the forward-reverse shaft to its mating components in the drivetrain system. This precision-fit key ensures proper torque transfer, correct shaft alignment, and reliable directional control. Manufactured to original factory specifications, this key is a critical drivetrain component for smooth and dependable operation. Key Details Brand: Ariens® / Gravely® OEM Part Number: 018439 Part Description: Key, FWD-REV Shaft Part Type: Shaft Key System: Drive / Transmission OEM Status: Genuine Ariens / Gravely replacement part Primary Applications Forward / reverse shaft assemblies Drive and transmission systems Directional control mechanisms ⚠️ Fitment Note:Used only on select Ariens® and Gravely® units equipped with forward/reverse shaft drive systems. Always verify model and serial number compatibility before ordering.
