SBT Spark Plug O-Ring 420430782 for Sea-Doo SP, GTI, GTX, XP, GSX, Challenger, Spark 1989-2017

This is a silicone spark plug O-ring that replaces Sea-Doo part numbers 420430782 and 290430782. It fits a long list of Sea-Doo jet skis, including the SP, GTS, GTX, XP, GSX, GTI, Challenger and Sportster, plus the 2016-2017 Spark. Replace it whenever the plugs come out or the old ring has gone hard, flat or cracked.

Fits

• Sea-Doo SP (1989-1997)
• Sea-Doo GT (1990-1991)
• Sea-Doo XP / XP800 / XPI (1991-1997)
• Sea-Doo GTS (1992-2001)
• Sea-Doo GTX / GTX RFI (1992-2002)
• Sea-Doo SPI / SPX (1993-1999)
• Sea-Doo Explorer (1993-2002)
• Sea-Doo Speedster / Speedster SK (1994-1999)
• Sea-Doo HX (1995-1997)
• Sea-Doo Sportster / Sportster 1800 / Sportster LT (1995-2002)
• Sea-Doo Challenger / Challenger 1800 (1996-2001)
• Sea-Doo GSX / GSX RFI (1996-2001)
• Sea-Doo GS / GSI (1997-2001)
• Sea-Doo GTI / GTI RFI (1996-2005)
• Sea-Doo GTI LE / GTI LE RFI (2002-2005)
• Sea-Doo 3D RFI (2005)
• Sea-Doo Spark 2 up / Spark HO 2 up / Spark HO 3 up, including IBR versions (2016-2017)

Replaces OEM part numbers

420430782 · 290430782

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