420950840 Water Pump Housing Gasket for Sea-Doo GTX LTD IS 260 1503 2010-2016
420950840 Water Pump Housing Gasket for Sea-Doo GTX LTD IS 260 1503 2010-2016
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Water Pump Housing Gasket for Sea-Doo
The water pump housing gasket seals the pump housing on the 1503 engine, and this gasket cross-references OEM 420950840. It stops coolant leaks at the housing joint so the cooling system on your 1503-powered watercraft holds pressure.
Overview
This water pump housing gasket is a direct replacement seal for the 1503 engine found in Sea-Doo GTX LTD IS 260 models from 2010 to 2016. The gasket sits between the pump housing and the engine block to keep coolant contained as it circulates through the system. It is a straightforward maintenance part for riders and mechanics servicing their own cooling systems.
Built For Performance
- Direct replacement for OEM part number 420950840
- Seals the water pump housing to prevent coolant leaks
- Fits the 1503 engine platform used in these GTX LTD IS 260 models
- Withstands constant coolant contact and engine heat cycling
- Simple bolt-on installation with no modification needed
Fits These Machines
- for Sea-Doo GTX LTD IS 260 1503, 2010-2016
On-The-Job Use
- Replacing a weeping or blown housing gasket during cooling system repair
- Routine maintenance when the water pump is removed for inspection
- Refreshing the seal after engine work that exposes the pump housing
- Shop or DIY repair on a 1503-powered GTX LTD IS 260
Specs At A Glance
| Part Number(s) | 420950840 |
| Engine | 1503 |
| Type | Water pump housing gasket |
| Fitment | Sea-Doo GTX LTD IS 260 2010-2016 |
Good To Know
Q: Do I need sealant with this gasket? A: Most installs do not require sealant, but a light coating of compatible gasket dressing can help hold it in place during assembly. Always follow the service manual torque spec for the housing bolts.
Q: How do I know this gasket fits my watercraft? A: Confirm your engine is the 1503 platform and that your old gasket or housing cross-references part number 420950840. Model year and serial number can affect exact fitment.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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