420850638 Exhaust Manifold Gasket for Sea-Doo Challenger 720 2001

Exhaust Manifold Gasket for Sea-Doo Challenger 720

This exhaust manifold gasket (OEM cross-reference 420850638) seals the manifold mounting surface on Sea-Doo Challenger 720 models to prevent exhaust leaks.

Overview

This exhaust manifold gasket is made for Sea-Doo Challenger 720 watercraft to seal the manifold-to-engine mating surface. It helps contain hot exhaust gases, reducing leaks and supporting steady engine operation. It is a suitable replacement for riders servicing a 2001 Challenger 720.

Built For Performance

• OEM cross-reference 420850638 for accurate matching
• Engineered to handle high exhaust temperatures
• Seals the manifold mounting surface against leaks
• Direct-fit design for the Challenger 720 platform
• Built to resist moisture and marine corrosion

Fits These Machines

• for Sea-Doo Challenger 720 2001

On-The-Job Use

• Exhaust manifold service and repair
• Routine gasket replacement during maintenance
• Restoring a proper seal after manifold removal

Specs At A Glance

Good To Know

Q: How do I confirm this gasket fits my watercraft? A: Verify your model year and engine match the Challenger 720 application and cross-reference the part number 420850638 before ordering.

Q: When should an exhaust manifold gasket be replaced? A: Replace it whenever the manifold is removed or if you notice exhaust leaks, and inspect the mating surfaces for damage during the job.

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