Allen-Bradley 26-816575A3 Gearcase Seal

OEM MerCruiser 26-816575A3 gearcase seal kit for Alpha One Gen II sterndrives is a genuine Mercury Marine factory part used to replace worn or damaged lower gear housing seals. This SEAL KIT Gear Housing addresses the critical shaft seal area at the lower unit, helping to prevent gear oil leaks and keep dirt and water out of the gearcase during operation. The kit is specified for Alpha One Gen II sterndrives (1998 and up) and is widely stocked by Mercury/MerCruiser parts distributors and marine retailers. The package dimensions are 6.25 inches in length, 4.25 inches in width, and 1.25 inches in height, with an approximate weight of 0.23 lb, making it a compact replacement option. The 26-816575A3 is commonly referenced as the OEM lower gearcase seal kit for MerCruiser Alpha One Gen II, and is typically installed during routine gearcase service or when inspecting for oil leaks, corrosion, or seal wear. This kit provides the seals specifically designed for the gear housing interface and is essential for maintaining proper lubrication containment and protecting the sterndrive from water intrusion.