Mercury 8M0183616 — Drain Screw Seals, Rubber-Coated Stainless (Pack of 4)

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MercurySKU: 8M0183616

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Description

Mercury 8M0183616 — Drain Screw Seals, Rubber-Coated Stainless (Pack of 4)

Genuine Mercury OEM drain screw seals (8M0183616) made from rubber-coated stainless steel for a reliable, leak-resistant seal at the gearcase drain/fill and vent ports. Keep a spare set on hand and replace worn seals during every gear lube service to help prevent water intrusion and gear damage.

Applications

Fits Mercury and Mariner outboards and all MerCruiser sterndrives that use a 3/8"-16 gearcase drain/fill screw. Always verify your gearcase thread size and service procedure in the owner’s/service manual.

Shipping & Returns

Fast processing and shipping from our marine parts warehouse. 30-day returns on unopened, unused items. Review our Refund Policy for full details.

Key Facts

  • Part Number: 8M0183616
  • Material: Rubber-coated stainless steel
  • Thread Interface: For gearcases with 3/8"-16 drain/fill screw holes
  • Compatibility: Mercury/Mariner outboards; MerCruiser sterndrives
  • Category: Oils & Lubricants › Gear Lube Accessories

What’s Included

  • 4 × Drain screw seals 8M0183616

Service Notes

  • Replace seals whenever you change gear lube or if a seal shows nicks, flattening, or corrosion.
  • Clean mating surfaces; install seals squarely and torque screws to spec. Verify no leaks after fill.
  • If your gearcase uses a different thread, use the appropriate adapter or seal type per the service manual.

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