Sea-Doo OEM Spark Plug Coil Tube 420851754 (was 420851751) 2002-2026

Sea-Doo OEM Spark Plug Coil Tube 420851754
Fits – OEM part 420851754 (from the BRP parts catalogue)
Model
Years
Sea-Doo GTR 230
2019–2023
Sea-Doo GTX 155
2019
Sea-Doo RXP 300
2019–2020
Sea-Doo RXT 230
2019
Sea-Doo Fish PRO 170
2020–2021
Sea-Doo GTX 170
2020–2023
Sea-Doo RXT 300
2020
Sea-Doo RXP-X 300
2021–2023
Sea-Doo RXT-X 300
2021–2022
Sea-Doo Fish PRO Scout 130
2022–2023
Sea-Doo Explorer PRO 170
2023
This part is used on more models than shown here – call 01202 900070 with your model and year and we'll confirm.
OEM BRP / Rotax part. Supersedes 420851751, 420851750, 711851750 and 0460518.
What it does: the tube sits in the cylinder head around each spark plug and seals the coil well from the oil under the valve cover. If you're finding oil on the plugs or coil packs, worn tube seals are the usual cause.
Fits: Sea-Doo 4-TEC 1503 and Rotax 1630 ACE three-cylinder engines, 2002–2026. No. 33 on the exploded diagram image. Not sure? Send us your hull ID or model and year on 01202 900070.
Priced per tube. There's one per cylinder, so most jobs need 3.
Want to save? The WSM Sea-Doo Spark Plug Coil Tube is a quality aftermarket alternative at £19.95 each.
Doing the job? You may also need
3x NGK DCPR8E Spark Plugs – Sea-Doo 130 to 260hp
3x NGK KR9E-G Spark Plugs – Sea-Doo 300hp
Sea-Doo OEM Valve Cover Gasket 420950820
Sea-Doo OEM Engine Gasket Set 420889773
3-5 days from order to delivery; many items stocked in our UK warehouse arrive considerably quicker. Any out-of-stock or backordered items will be notified by email. Special order item – no returns accepted unless faulty.
JetSea Hub – Since 2016