420850638 Exhaust Manifold Gasket for Sea-Doo SPX 650 1995

Exhaust Manifold Gasket for Sea-Doo

This exhaust manifold gasket for Sea-Doo is a direct replacement sealing component, cross-referenced under OEM part number 420850638, designed to sit between the exhaust manifold and engine to prevent exhaust leaks on the 650 engine platform.

Overview

This exhaust manifold gasket for Sea-Doo is built to seal the joint between the exhaust manifold and cylinder block, keeping hot exhaust gases contained so the 650 engine runs cleanly. It suits riders maintaining or rebuilding a 1995 SPX 650 who need a reliable replacement gasket rather than a reused, compressed original. The exhaust manifold gasket for Sea-Doo matches the OEM 420850638 reference for straightforward installation.

Built For Performance

• OEM cross-reference 420850638 for direct fitment
• Constructed to withstand high exhaust gas temperatures
• Provides a tight seal against exhaust leaks at the manifold joint
• Compressible material conforms to mating surfaces for consistent sealing
• Resists breakdown from heat cycling and moisture exposure

Fits These Machines

• for Sea-Doo SPX 650 (1995)

On-The-Job Use

• Replacing a blown or leaking exhaust manifold gasket during engine service
• Top-end rebuilds where the manifold is removed and resealed
• Routine maintenance to stop exhaust leaks and restore proper sealing
• Restoring a 1995 SPX 650 to reliable running condition

Specs At A Glance

Good To Know

Q: Do I need to replace this gasket if I remove the exhaust manifold? A: Yes, exhaust manifold gaskets are typically single-use and should be replaced any time the manifold is loosened to ensure a proper seal. Q: Is this an original Sea-Doo part? A: No, this is an aftermarket replacement gasket referenced to OEM part number 420850638 for fitment purposes.

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