420950772 Head Gasket for Sea-Doo GTI LTD 155 1503 2011-2017

Head Gasket for Sea-Doo GTI LTD 155 1503

This head gasket (OEM cross-reference 420950772) is a replacement sealing component for the Sea-Doo GTI LTD 155 1503, built to seal the cylinder head to the engine block and maintain compression and coolant sealing for 2011-2017 models.

Overview

This head gasket is made to fit the Sea-Doo GTI LTD 155 1503 watercraft from 2011 through 2017. It seals the joint between the cylinder head and the engine block, helping hold compression and keep coolant and combustion gases apart on the 1503 engine. It suits owners and technicians carrying out top-end work on this model.

Built For Performance

• Direct replacement for OEM part number 420950772
• Seals the cylinder head to block mating surface
• Helps maintain proper engine compression
• Prevents coolant and combustion gas cross-contamination
• Constructed for marine engine sealing demands

Fits These Machines

• for Sea-Doo GTI LTD 155 1503, 2011-2017

On-The-Job Use

• Top-end engine rebuilds and head removal service
• Routine gasket replacement during maintenance
• Restoring compression after a blown head gasket

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is a replacement head gasket that cross-references OEM part number 420950772. Always verify your engine and model before ordering.

Q: Should the head bolts be replaced at the same time? A: Torque-to-yield head bolts are often single-use, so check your service manual and replace them if specified for your 1503 engine.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.