66E-1131C-10-00 Power Valve Cover Joint for Yamaha GP-R 1300 2003-2004

Power Valve Cover Joint for Yamaha GP-R 1300

This power valve cover joint for Yamaha GP-R 1300 personal watercraft seals the power valve housing on 2003 to 2004 models, cross-referencing OEM part 66E-1131C-10-00.

Overview

This power valve cover joint for Yamaha GP-R 1300 is a replacement sealing component that sits between the power valve cover and the cylinder, helping keep the valve assembly sealed against exhaust pressure and oil mist. It is built for riders and mechanics servicing 2003 to 2004 GP-R 1300 watercraft who need a reliable seal during top-end maintenance. The joint carries OEM cross-reference 66E-1131C-10-00 for easy part matching.

Built For Performance

• Direct cross-reference to OEM part 66E-1131C-10-00 for straightforward ordering
• Seals the power valve cover against exhaust pressure and oil seepage
• Designed for the power valve housing found on Yamaha 1300 series engines
• Supports correct power valve operation by maintaining a tight housing seal
• Replacement part suited to routine top-end rebuilds and resealing

Fits These Machines

• for Yamaha GP-R 1300, 2003
• for Yamaha GP-R 1300, 2004

On-The-Job Use

• Power valve cover resealing during top-end service
• Cylinder and valve housing reassembly after cleaning
• Routine maintenance on 2003 to 2004 GP-R 1300 watercraft
• Replacement of a worn or leaking cover joint

Specs At A Glance

Good To Know

Q: Does this joint fit both model years listed? A: It is listed for the 2003 to 2004 GP-R 1300, but serial number and engine variation can affect fit, so confirm against your machine before ordering.

Q: Is this an original Yamaha part? A: This is a replacement power valve cover joint that cross-references OEM part 66E-1131C-10-00, and it is not an original brand product.

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