8M0142840 Lower Unit Seal kit Gearcase seal Gasket For Mercruiser Stern Drive ALPHA ONE GEN II MR & ALPHA 1 26-14077 Material: Rubber and metal Compatibility: Mercruiser Stern Drive ALPHA ONE GEN II, MR, and ALPHA 1 Package Contents: 26-14077 Prop Shaft Oil Seal, 26-12224 Prop Shaft Carrier Seal, 8M0142840 , 896524 , 8M0058390 Drain Gasket This lower unit seal kit is designed for use with specified Mercruiser Stern Drive models.It includes multiple seals and gaskets that help maintain the integrity of the gearcase by preventing water intrusion.The prop shaft oil seal and carrier seal contribute to a secure fit around rotating components.Additional O-rings provide sealing at critical junctions, while the drain gasket allows for effective removal of accumulated moisture. The components are built to function in marine environments and operate under elevated temperatures, supporting performance during regular use.Intended for outboard engine applications, this kit supports the long-term of the drive system when properly installed and maintained. This item is a third-party substitute.Use of brand names is limited to indicating which devices it supports.