Sierra Xtreme Lower Shift Cable Kit for Mercruiser Alpha I Generation II applications. Replaces 19543T-1.• Sierra Part No. 18-2603E• Replaces Part No. 19543T1• Requires 18-9806E (Xtreme Shift Cable Tool - Overton's #900444) to complete installation. Lower Shift Cable Kit includes: Outdrive Gasket Set - Sierra 18-2619-1 (O.E. # 27-94996A1)Shift Cable Bellows - Sierra 18-2753-1 (O.E. # 74639)Shift Cable Assembly - Sierra 18-2190E (O.E. # 19543A4)Drive Shaft Housing to Bell Housing Gasket - Sierra 18-2743 (O.E. # 27-94996-2) For Mercruiser Alpha I Gen II Replaces 19543T-1 | Xtreme Lower Shift Cable Kit for Merc Alpha I Gen II Part 18-2603E