Crankshaft Seal Kit SEADOO / GTI / GTS 900 2014-2021 & WILLIAMS Ref. 420450165 420850220 420450080

Sea-Doo Spark / GTI / GTS 900 Crankshaft Seal Kit – OEM Replacement

This complete crankshaft oil seal and gasket kit is designed for Rotax 900 engines found in Sea-Doo Spark, GTI, GTS, and TRIXX jet skis from 2014 to 2021. It directly replaces original parts and resolves oil leak or engine sealing issues. Ideal for a complete engine overhaul.

Technical Specifications

• Part Type: Oil seal kit + crankshaft seal
• Condition: New
• Quality: Aftermarket OEM – direct replacement
• Replaced OEM References:
  • 420450165 × 2 (Oil seal)
  • 420850220 × 1 (Oil seal)
  • 420450080 × 1 (Crankshaft seal)
• Weight: 103 g

Compatibility – Sea-Doo 900 Engine Models

• Spark 2Up / 3Up 900 – 2014 to 2021
• Spark TRIXX 2Up / 3Up 900 – 2017 to 2021
• Spark DT / NA 900 – 2014
• GTI SE / STD / HO 90 900 – 2017 to 2020
• GTS / STDR HO 900 – 2017 to 2018

Compatibility – WILLIAMS Tenders

• WILLIAMS 280 Minijet
• WILLIAMS 285/325 Turbojet (since 2019)
• WILLIAMS 345/395/435 Sportjet (Std, Rotax ACE903)

Check your jet ski's model and year before ordering to ensure compatibility.

Package Contents

• 2 × Oil seal 420450165
• 1 × Oil seal 420850220
• 1 × Crankshaft seal 420450080