WSM Cylinder Head Gasket 420431811 for Sea-Doo Spark, Spark HO, Trixx, GTI 90 2014-2026, Replaces 420431812, 420431813

This is an WSM replacement cylinder head gasket for Sea-Doo Spark jet skis, matching OEM numbers 420431811, 420431812 and 420431813. It also covers the Spark HO, Spark Trixx, Spark 60 and 90 variants, and the GTI 90, GTI SE 90 and GTS 90. Replace it when you have the head off for engine work or when the old gasket has failed at the cylinder head joint.

Fits

• Sea-Doo Spark (2014-2015)
• Sea-Doo Spark 2 up / 3 up (2014-2022, 2025)
• Sea-Doo Spark HO / HO 2 up / HO 3 up (2015-2019, 2022, 2026)
• Sea-Doo Spark Trixx / Trixx 1 up / 2 up / 3 up (2017-2026)
• Sea-Doo Spark 60 / 60 HP (2018, 2023)
• Sea-Doo Spark 90 / 90HP (2018, 2023)
• Sea-Doo Spark Base / Base HO / Base 60HP (2020-2022, 2024, 2026)
• Sea-Doo Spark Convenience HO (2020, 2024)
• Sea-Doo GTI 90 (2017-2022)
• Sea-Doo GTI SE 90 / GTS 90 (2017-2018)

Replaces OEM part numbers

420431811 · 420431812 · 420431813

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