Take control of your Mercury maintenance with this genuine SHEAVE SHAFT. Straightforward replacement that delivers factory results without shop labor costs.

Factory-built to exact Mercury Marine specifications, this component ensures reliable operation across all engine RPM ranges. Part number 87656 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 87656 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 30-402HP MARINER, MERCURY

• Fits MARINER, MERCURY 30-402HP engines
• Compatible HP: 30HP, 35HP, 40HP, 45HP, 402HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

30HP Models

• 30HP JET (Mariner): 0C159200-0G589999
• 30HP JET (Mercury): 0C159200-0G589999

35HP Models

• 35HP OUTBOARD (Mercury): 6445653-0B110788

40HP Models

• 40HP OUTBOARD (Mariner)
• 40HP OUTBOARD (Mercury)

45HP Models

• 45HP OUTBOARD (Mariner): 5531630-0B110788, 7143688-0A719280
• 45HP OUTBOARD (Mercury): 5531630-0B110788

402HP Models

• 402HP OUTBOARD (Mercury)

Don’t know where your serial number is? Our quick reference guide shows exactly where to find it on Mercury Marine engines.

Verification & Support

Verify part 87656 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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