6G5-44323-01 Yamaha Wear Plate | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Water Pump Outer Wear Plate - Part Number: 6G5-44323-01

A genuine Yamaha stainless outer cartridge plate for selected 150HP to 300HP water-pump assemblies.

The plate sits beneath the impeller and provides the smooth, flat surface required for the flexible vanes to generate cooling-water suction and pressure.

⚙️ Key Features

• Genuine Yamaha OEM water-pump wear plate
• Correct current Yamaha part number 6G5-44323-01
• Supersedes earlier plate 6G5-44323-00
• Precision-formed stainless-steel construction
• Recmar, GLM, EMP and Mercury replacements available

🚤 Compatibility

Commonly used on

• Yamaha 150HP to 300HP lower-unit water pumps
• Conventional, HPDI and four-stroke high-horsepower gearcases

Typically suits

• Engine models:
• Yamaha 150A, 150C and 150F two-stroke
• Yamaha 175A, 175B, 175D and 175F two-stroke
• Yamaha 200A, 200B, 200C, 200F and 200G two-stroke
• Yamaha ProV 200
• Yamaha 220A two-stroke
• Yamaha 225A, 225B, 225C, 225D, 225F and 225G
• Yamaha 250A, 250B and 250G
• Yamaha HPDI Z150P / Z150Q, Z175G / Z175H and Z200N / Z200P
• Yamaha HPDI Z250D and Z300A
• Yamaha F150A, F150B, F150D and F150F
• Yamaha F175A
• Yamaha F200A, F200C, F200F and F200G
• Yamaha F225A, F225B, F225D and F225F
• Yamaha F250A and corresponding LF models
• Selected F300 applications using the 6G5 outer plate
• HP Range: 150HP - 300HP
• Engine Type: Yamaha V6 two-stroke, HPDI and four-stroke outboard
• Year Range: Approximately mid-1980s onward, dependent on lower-unit design

🔌 Function

The plate forms the lower running surface of the impeller chamber and helps the impeller maintain the seal needed to create cooling-water pressure.

⚠️ Common Signs of Failure

• Plate surface is grooved or deeply scored
• Engine overheats despite a new impeller
• Water pressure remains below specification
• Plate is warped, corroded or discoloured by heat
• Impeller shows uneven vane wear

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6G5-44323-01 → Supersedes 6G5-44323-00
• 6G5-44323-00 earlier OEM outer-plate reference

OEM / Related Numbers

• 6G5-44323-01
• 6G5-44323-01-00
• 6G5-44323-00
• Mercury / Mariner: 888691
• Mercury / Quicksilver: 8M0091465
• GLM: 12511
• EMP: 46-02274

Aftermarket / Verified Equivalents

• Recmar: REC6G5-44323-00
• GLM: 12511
• EMP: 46-02274
• Mercury / Quicksilver: 8M0091465
• Mercury / Mariner: 888691
• Aftermarket outer plate: AM6G5-44323-00

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging