0318544 Evinrude Johnson Drain Screw Lower | Genuine OEM BRP Outboard Part

🔧 Product Description

Genuine BRP Magnetic Lower-Unit Fill and Drain Screw - Part Number: 0318544

A genuine BRP magnetic fill and drain screw used in selected Evinrude, Johnson and OMC lower gearcases.

The integrated magnetic tip attracts fine ferrous wear particles circulating in the gear lubricant, while the sealing washer closes the threaded drain or fill opening against oil leakage and water entry.

⚙️ Key Features

• Genuine BRP OEM magnetic drain screw
• Correct OMC part number 0318544
• Later related OMC reference 0912624
• Magnetic tip captures fine metallic debris
• Suits broad 6HP-250HP two-stroke gearcase applications

🚤 Compatibility

Commonly used on

• Evinrude and Johnson lower-unit fill and drain ports
• Standard and counter-rotation gearcases
• Gearcases requiring a magnetic lubricant plug

Typically suits

• Engine models:
• Evinrude / Johnson 6HP through 15HP two-stroke outboards
• Evinrude / Johnson 20HP through 35HP two-stroke outboards
• Evinrude / Johnson 40HP through 75HP two-stroke outboards
• Evinrude / Johnson 85HP through 140HP V4 outboards
• Evinrude / Johnson 150HP through 250HP V6 outboards
• Selected Evinrude E-TEC gearcases using magnetic drain screw 0318544
• HP Range: 6HP - 250HP
• Engine Type: Evinrude / Johnson two-stroke and selected E-TEC outboard
• Year Range: Approximately 1985 - 2011

🔌 Function

The screw closes the lower-unit lubricant port. Its magnetic tip collects small steel particles, which can provide an early indication of internal gear or bearing wear.

⚠️ Common Signs of Failure

• Gear oil leaking around the drain screw
• Damaged screwdriver slot
• Stripped or corroded threads
• Excessive metal particles on the magnetic tip
• Missing or flattened sealing washer
• Gearcase fails pressure testing at the screw

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 0912624 later OMC / BRP fill-and-drain screw reference
• 0318544 original OMC magnetic drain-screw reference

OEM / Related Numbers

• 0318544
• 318544
• 0912624
• 912624
• Sealing washer: 0311598
• Washer reference: 311598

Aftermarket / Verified Equivalents

• Sierra: 18-2378
• Sierra: 18-2378-9
• Sierra: 18-4249
• Sierra: 18-23781-9

📦 Condition

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