420950772 Head Gasket for Sea-Doo GTI SE DT 1503 2007

Head Gasket for Sea-Doo

This head gasket with part number 420950772 seals the cylinder head to the engine block on the Sea-Doo GTI SE DT 1503, keeping compression contained and coolant where it belongs.

Overview

This head gasket for Sea-Doo delivers a precise seal between the head and block on the GTI SE DT 1503 platform. It is built to handle the heat cycling and pressure of marine engine operation, making it a reliable choice for rebuilds and top-end repairs. Anyone servicing a 2007 GTI SE DT 1503 will find this head gasket an essential sealing component.

Built For Performance

• Precision cut to match the 1503 engine deck surface
• Construction designed for marine heat cycling
• Seals combustion pressure between head and block
• Helps maintain proper compression across all cylinders
• Direct fitment for the GTI SE DT 1503 application

Fits These Machines

• for Sea-Doo GTI SE DT 1503 (2007)

On-The-Job Use

• Top-end engine rebuilds
• Cylinder head removal and reinstall jobs
• Compression loss diagnosis and repair
• Coolant and combustion leak fixes

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo gasket? A: This is an aftermarket head gasket for Sea-Doo applications, referenced by part number 420950772, and is not an original brand product.

Q: Should I replace head bolts at the same time? A: Many technicians recommend inspecting head bolts during a gasket job and replacing any that show stretch or corrosion for a dependable seal.

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