Protect your Mercury investment with genuine OEM parts that last. This END CAP KIT, Tilt Cylinder, Includes Reference #26 delivers years of reliable service – not just one season like cheap alternatives.

Manufactured to strict Mercury Marine quality standards, this service kit ensures reliable operation across all engine RPM ranges. Part number 878239A02 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.

Smart boat owners know: buying cheap parts twice costs more than buying genuine Mercury once. Part 878239A02 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 110-225HP MARINER, MERCURY

• Fits MARINER, MERCURY 110-225HP engines
• Compatible HP: 110HP, 150HP, 175HP, 200HP, 225HP
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

110HP Models

• 110HP JET (Mercury)

150HP Models

• 150HP OUTBOARD (Mercury)

175HP Models

• 175HP PROXS (Mercury)

200HP Models

• 200HP OUTBOARD (Mariner): 0T801000-1B417701, 1B417702-1B504988, 1B504989-1B912785
• 200HP OUTBOARD (Mercury): 0T801000-1B417701, 1B417702-1B504988, 1B417702-1B504988, 1B504989-1B912785
• 200HP PRO XS (Mercury): 1B504989-1B912785

225HP Models

• 225HP OUTBOARD (Mariner): 0T801000-1B417701, 1B417702-1B504988, 0T801000-1B417701, 1B417702-1B504988
• 225HP OUTBOARD (Mercury): 0T801000-1B417701, 1B417702-1B504988, 0T801000-1B417701, 1B417702-1B504988

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

Verify part 878239A02 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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