SBT Complete Gasket Kit for Sea-Doo GTX 300, RXP-X 300, RXT-X 300, GTX LTD 300 2016-2024, Replaces 420889775

This is a complete engine gasket kit for the Sea-Doo 300 engine, made by SBT and sold under part number 48-116. It replaces OEM 420889775 and covers the GTX 300, GTX LTD 300, RXP 300, RXP-X 300 and RXT-X 300, plus the 230 models listed below. Use it when you tear the engine down for a rebuild or a top-end job and want every gasket and O-ring on hand before you start.

Fits

• Sea-Doo GTX 300 (2018-2024)
• Sea-Doo GTX LTD 300 (2016-2024)
• Sea-Doo GTX 230 / GTR 230 (2020-2024)
• Sea-Doo RXP 300 (2018-2023)
• Sea-Doo RXP-X 300 (2016-2023)
• Sea-Doo RXP-XRS 300 (2018-2019; 2021-2022)
• Sea-Doo RXP-X XRS (2020)
• Sea-Doo RXT 300 (2019-2020)
• Sea-Doo RXT 300 XRS (2018)
• Sea-Doo RXT-X 300 (2016-2023)
• Sea-Doo RXT-X RS 300 (2022)
• Sea-Doo RXT-XRS 300 (2021)
• Sea-Doo Wake Pro 230 (2020-2024)
• Sea-Doo GTR-X 300 (2024)
• Sea-Doo Explorer 230 / Explorer 300 (2024)

What's included

• Intake O-ring (qty 3)
• Flywheel cover gasket (qty 1)
• Starter O-ring (qty 2)
• Output sleeve seal (qty 1)
• Dipstick seal (qty 2)
• Oil radiator O-ring, Viton (qty 2)
• Supercharger O-ring (qty 2)
• Oil pump O-ring (qty 1)
• Valve cover gasket (qty 1)
• Crankshaft cap O-ring (qty 1)
• Crankcase washer (qty 1)
• Chain tensioner washer (qty 1)
• Cam cover O-ring (qty 1)
• Cylinder head gasket (qty 1)
• Spark plug O-ring, Buna (qty 8)
• Oil tank pipe O-ring (qty 2)

Replaces OEM part numbers

420889775

Not sure it fits your ski? Call or text 954-914-6465 with your hull ID (HIN) and we'll confirm before you order.