• 821873A1 8M0113918 Mercury STB Lower Cowling | Genuine Used Part
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821873A1 8M0113918 Mercury STB Lower Cowling | Genuine Used Part

821873A1 8M0113918 Mercury STB Lower Cowling | Genuine Used Part

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🔧 Product Description

Genuine Mercury Starboard Lower Cowling - Part Number: 8M0113918

A genuine Mercury black starboard lower-cowling panel for selected 65 Jet and 75HP to 125HP three- and four-cylinder two-stroke outboards.

The panel forms the right-hand side of the bottom-cowling assembly and supports the seal, drain, handle and latch components.

⚙️ Key Features

  • Genuine Mercury starboard lower cowl
  • Correct current part number 8M0113918
  • Supersedes original 821873A1
  • Black factory finish
  • Fits selected three- and four-cylinder Mercury outboards

🚤 Compatibility

Commonly used on

  • Mercury and Mariner carburetted two-stroke bottom-cowling assemblies

Typically suits

  • Engine models:
  • Mercury 65 Jet
  • Mercury 75HP three-cylinder
  • Mercury 80 Jet
  • Mercury 90HP three-cylinder
  • Mercury 100HP four-cylinder
  • Mercury 115HP four-cylinder
  • Mercury 125HP four-cylinder
  • Mercury and Mariner engines using the corresponding two-piece lower cowling
  • HP Range: 65 Jet / 75HP - 125HP
  • Engine Type: Mercury / Mariner three- and four-cylinder carburetted two-stroke outboard
  • Year Range: Approximately 1994-2010

🔌 Function

The panel encloses the starboard side of the lower powerhead and supports the upper-cowling seal, drain system, latch and external handle components.

⚠️ Common Signs of Failure

  • Panel is cracked around mounting points
  • Cowl is warped and will not align with the port side
  • Handle or latch supports are damaged
  • Drain or grommet openings are broken
  • Paint is heavily scratched or corroded

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 8M0113918 → Supersedes 8M0107327
  • 8M0107327 → Supersedes 821873A1
  • 821873A1 earlier starboard lower-cowl assembly

OEM / Related Numbers

  • 8M0113918
  • 8M0107327
  • 821873A1
  • 2187-821873A1
  • 821873A2
  • 821873A3
  • 8M0113919 matching port lower cowling
  • 817519A2 related drain check valve
  • 8M0041366 related handle assembly

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated

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 the condition you received it for a refund or exchange. 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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