• 26830749 Mercury MerCruiser Seal | Genuine Quicksilver OEM Part
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26830749 Mercury MerCruiser Seal | Genuine Quicksilver OEM Part

26830749 Mercury MerCruiser Seal | Genuine Quicksilver OEM Part

$5.40 AUD
$5.40 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Genuine Quicksilver Yellow Gear Lube Drain Screw Seal - Part Number: 26-830749

Genuine Quicksilver yellow drain screw seal used on Mercury, Mariner and MerCruiser gearcase drain, fill and vent screws. This earlier yellow seal reference is superseded by 26-8M0204693 and is used during gear oil service on supported Mercury / MerCruiser drives and lower units.

⚙️ Key Features

  • Genuine Quicksilver OEM yellow drain screw seal
  • Correct original Mercury part number 26-830749
  • Current replacement reference 26-8M0204693
  • Used under gear lube drain, fill and vent screws
  • Replace during every gear oil service

🚤 Compatibility

Commonly used on

  • Mercury / Mariner outboard gearcase drain and vent screws
  • MerCruiser stern drive drain, fill and vent screws
  • Gearcase oil service using yellow Mercury plug seals

Typically suits

  • Engine / drive models:
  • MerCruiser Alpha One drain / fill screw applications
  • MerCruiser Alpha One Gen II drain / fill screw applications
  • MerCruiser Bravo One / Two / Three drain / fill screw applications
  • Mercury / Mariner outboard gearcases using yellow drain plug seal 26-830749
  • Mercury EFI, FourStroke, DFI, OptiMax, Verado and Racing lower units using 26-830749 or 26-8M0204693
  • Engine / Drive Type: Mercury / Mariner outboard and MerCruiser stern drive
  • System Type: Gear lube drain / fill / vent screw seal

🔌 Function

The seal sits beneath the drain or vent screw to stop gear oil leaking out and water entering the gearcase.

⚠️ Common Signs of Failure

  • Gear oil leak around plug
  • Milky gear oil
  • Seal flattened, torn or missing
  • Plug removed during oil service
  • Failed lower-unit pressure test
  • Replacement required at each gear oil change

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 26-8M0204693 → Supersedes 26-830749
  • 26-830749 earlier yellow drain screw seal reference

OEM / Related Numbers

  • 26-830749
  • 830749
  • 26830749
  • 26-8M0204693
  • 8M0204693
  • 268M0204693
  • Yellow drain plug washer
  • Gear lube screw seal
  • Drain / fill screw seal

Aftermarket / Verified Equivalents

  • Sierra: 18-24301-9
  • Mallory: 9-60105
  • Recmar yellow drain plug washer equivalents
  • Aftermarket yellow drain screw washer kits matching 26-830749 / 26-8M0204693

📦 Condition

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

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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