420931481 Exhaust Manifold Gasket for Sea-Doo GTI LE RFI 800 2003-2005

Exhaust Manifold Gasket for Sea-Doo GTI LE RFI 800

This exhaust manifold gasket seals the joint between the exhaust manifold and cylinder block on the Sea-Doo GTI LE RFI 800, replacing OEM reference 420931481 to stop exhaust leaks at the flange.

Overview

This exhaust manifold gasket is a direct replacement sealing component for the Sea-Doo GTI LE RFI 800, produced to match the factory mounting pattern and port layout. It creates a tight seal between the exhaust manifold and the engine, preventing hot exhaust gases from escaping before they reach the expansion chamber. Intended for riders and shops servicing 2003 through 2005 GTI LE RFI 800 watercraft that need a reliable replacement for a worn or blown gasket.

Built For Performance

• Precision-cut port openings match the manifold and cylinder mating surfaces
• Heat-resistant material construction suited to high exhaust gas temperatures
• Compressible sealing surface helps accommodate minor surface imperfections
• Direct replacement for OEM reference 420931481
• Uniform thickness supports consistent clamping across the flange

Fits These Machines

• for Sea-Doo GTI LE RFI 800 (2003-2005)

On-The-Job Use

• Replacing a blown exhaust manifold gasket during top-end service
• Sealing the manifold joint after engine removal or rebuild
• Routine exhaust system maintenance on RFI 800 watercraft

Specs At A Glance

Good To Know

Q: Should I replace this gasket every time the exhaust manifold is removed? A: Yes, exhaust manifold gaskets are single-use sealing components and should be replaced whenever the joint is opened to avoid leaks. Q: Does this gasket fit other Sea-Doo 800 models? A: It is listed for the GTI LE RFI 800, so confirm your model and year against the part number 420931481 before ordering.

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