420950792 Throttle Body Gasket for Sea-Doo GTX STD HO 1503 2019

Throttle Body Gasket for Sea-Doo

This throttle body gasket seals the throttle body to the intake on Sea-Doo 1503 HO engines, cross-referencing OEM part 420950792 for correct fit.

Overview

This throttle body gasket for Sea-Doo keeps the intake path sealed on the 1503 HO engine. It replaces a compressed or damaged gasket that could cause air leaks and poor running. Ideal for owners servicing a Sea-Doo GTX STD HO 1503 at home or in the shop.

Built For Performance

• Direct replacement for OEM part number 420950792
• Precision-cut to match the throttle body flange
• Seals the intake air path against vacuum leaks
• Withstands heat and fuel vapor in marine engine bays
• Bolt-on fit with no modification needed

Fits These Machines

• for Sea-Doo GTX STD HO 1503
• for Sea-Doo 1503 HO engine applications

On-The-Job Use

• Throttle body reinstallation after cleaning or service
• Intake leak repair on 1503 HO marine engines
• Routine maintenance on personal watercraft
• Restoring steady idle and throttle response

Specs At A Glance

Good To Know

Q: Should this gasket be replaced whenever the throttle body is removed? A: Yes, gaskets are single-use and replacing it every time the throttle body is unbolted helps prevent vacuum leaks. A: Match your engine displacement and year before ordering.

Q: Is this an original Sea-Doo part? A: This is an aftermarket replacement gasket built to match OEM reference 420950792 for the 1503 HO engine. It is not an original Sea-Doo product.

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