SPRING – 64878

Maintain peak Mercury Marine performance with this factory-engineered SPRING. Designed for precision installation and built to handle demanding marine environments season after season.

Designed and manufactured to Mercury Marine OEM standards, this seal ensures reliable operation across all engine RPM ranges. Part number 64878 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.

Factory parts exist for a reason — they work. Part 64878 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 105-140HP MARINER, MERCURY (VERADO)

• Fits MARINER, MERCURY 105-140HP engines
• Compatible HP: 105HP, 135HP, 140HP
• Model types: VERADO
• Covers 24 serial number ranges
• Configurations: Jet Drive, Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

105HP Models

• 105HP JET (Mariner): 0D082000-0G303045, 0G303046-0G760299
• 105HP JET (Mercury): 0D082000-0G303045, 0G303046-0G760299

135HP Models

• 135HP VERADO (Mariner): 0P419487-0P464487, 0P464488-0P514868, 1B227000-1B381711, 1B381712-1B517158
• 135HP VERADO (Mercury): 0P419487-0P464487, 0P464488-0P514868, 1B2270001-1B381711, 1B381712-1B517158

140HP Models

• 140HP JET (Mariner): 0D082000-0G303045, 0G303046-0G760299, 0G760300-0G960499, 0G960500-0T178499
• 140HP JET (Mercury): 0D082000-0G303045, 0G303046-0G760299, 0G760300-0G960499, 0G960500-0T178499

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 64878? 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

Serving boaters for over 40 years. Low prices, fast shipping – most orders placed by 1pm ship today.