420254882 Intake or Exhaust Valve Guide for Sea-Doo GTR X HO 1503 2019

Intake or Exhaust Valve Guide for Sea-Doo

This intake or exhaust valve guide (OEM cross-reference 420254882) keeps valve stems aligned and moving smoothly in the cylinder head of your personal watercraft engine.

Overview

This intake or exhaust valve guide is a precision-machined component intended for the Sea-Doo GTR X HO 1503 engine platform. It holds valve stems on center so valves seat correctly and combustion stays consistent. A practical choice for riders and technicians servicing 2019 GTR X HO machines.

Built For Performance

• Cross-references OEM part number 420254882
• Keeps valve stems aligned to limit side play
• Works for both intake and exhaust valve positions
• Machined for a consistent bore and fit
• Made to withstand continuous marine RPM loads

Fits These Machines

• for Sea-Doo GTR X HO 1503, 2019

On-The-Job Use

• Top-end service on the 1503 engine
• Cylinder head work during valve maintenance
• Replacing guides worn from heat and hours of use
• Shop and DIY repairs on GTR X HO watercraft

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket valve guide that cross-references OEM number 420254882. Confirm the part number matches your machine before ordering.

Q: Should valve guides be replaced as a set? A: Many rebuilders replace all guides together during a head service so wear stays even across the valvetrain. Refer to your service manual for the correct process.

Shipping Restriction: Due to emissions regulations, this item cannot be sold or shipped to California, Colorado, Maine, or New York.

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