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

🔧 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