The Sea-Doo 4Tec 1503 lower block casing is compatible with a variety of models, including the GTX, RXP, and RXTseries, specifically from the years 2002-2017. These models utilize the 4-Tec 1503 engine, found in both supercharged and naturally aspirated versions. The lower block casing is a critical component in the engine assembly, offering compatibility across a range of watercraft including:
Sea-Doo GTX 4Tec (2002-2016)
Sea-Doo RXP 215 (2004-2008)
Sea-Doo RXT 215 (2005-2016)
It also fits other models like the Speedster, Sportster, and Challenger that share the 1503 engine block
