Experiencing engine hesitation or reduced power? This authentic Mercury Marine GASKET 2,7,8COMPONENT OF [27- 78028A78] GASKET SET :COMPONENT OF [46- 77177A 3] PUMP REPAIR KIT :COMPONENT OF [26- 79831A 1] SEAL REPAIR KIT solves the problem with factory precision – no guessing, no compromises.

Factory-built to exact Mercury Marine specifications, this pump ensures reliable operation across all engine RPM ranges. Part number 19551 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.

Aftermarket parts might save a few dollars upfront, but genuine Mercury Marine part 19551 saves you money long-term by lasting years instead of months. Factory precision means perfect fit — no modifications, no surprises.

Compatible Mercury Marine Engines

FITS: 30-60HP MARINER, MERCURY

• Fits MARINER, MERCURY 30-60HP engines
• Compatible HP: 30HP, 35HP, 40HP, 45HP, 50HP, 60HP
• 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)

40HP Models

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

45HP Models

• 45HP OUTBOARD (Mariner)
• 45HP OUTBOARD (Mercury)

50HP Models

• 50HP OUTBOARD (Mariner): 0B122930-0D000749, 9469200-9683054
• 50HP OUTBOARD (Mercury): 0B122930-0D000749, 9469200-9683054

60HP Models

• 60HP OUTBOARD (Mariner)
• 60HP OUTBOARD (Mercury)

Need help finding your serial number? Check our serial number location guide for step-by-step instructions on locating it on your Mercury engine.

Verification & Support

Questions about part 19551? Use our parts finder tool to verify fitment yourself. Prefer to talk to an expert? Use the contact buttons at the bottom of this page to reach our team by text, call, or email

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