Smart boaters fix it right the first time. This factory COVER, OIL PAD NON OIL INJECTION ensures professional results even for DIY installation – we’ll help verify it’s the right part.

Designed and manufactured to Mercury Marine OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 12621 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Why risk your Mercury engine with questionable aftermarket parts? Genuine part 12621 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 65-115HP MARINER, MERCURY

• Fits MARINER, MERCURY 65-115HP engines
• Compatible HP: 65HP, 70HP, 100HP, 115HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

65HP Models

• 65HP JET (Mariner): 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 9793577-0P016999
• 65HP JET (Mercury): 0T980000-0T999999, 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 9793577-0P016999

70HP Models

• 70HP OUTBOARD (Mariner): 0A996142-0B240450, 0B240451-0C221999, 9483121-9506480
• 70HP OUTBOARD (Mercury): 0A996142-0B240450, 0B240451-0C221999, 9483121-9506480

100HP Models

• 100HP OUTBOARD (Mariner): 0A722297-0D283221, 9523034-9793576
• 100HP OUTBOARD (Mercury): 0B209468-0D283221, 9523034-9793576

115HP Models

• 115HP OUTBOARD (Mariner): 0C100000-0D283221, 9559771-9793576
• 115HP OUTBOARD (Mercury): 0C100000-0D283221, 9559771-9793576

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

Verify part 12621 works with your Mercury using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page — our team is here to help by text, call, or email

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