Extend your Mercury engine’s life with this premium OEM CHECK VALVE KIT. Factory-engineered for durability in harsh marine conditions that destroy inferior parts.

Manufactured to strict Mercury Marine quality standards, this service kit ensures reliable operation across all engine RPM ranges. Part number 41482A2 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.

Cut-rate alternatives might look similar, but they’re not engineered to Mercury’s exacting standards. Part 41482A2 delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 70-115HP MARINER, MERCURY

• Fits MARINER, MERCURY 70-115HP engines
• Compatible HP: 70HP, 75HP, 100HP, 115HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

70HP Models

• 70HP OUTBOARD (Mariner): 0A996142-0B240450, 0B240451-0C221999, 9483121-9506480, 9506481-9589038
• 70HP OUTBOARD (Mercury): 0A996142-0B240450, 0B240451-0C221999, 9483121-9506480, 9506481-9589038

75HP Models

• 75HP OUTBOARD (Mariner): 0A996142-0B240450, 0B240451-0C221999
• 75HP OUTBOARD (Mercury): 0A996142-0B240450, 0B240451-0C221999

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 41482A2 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

40+ years of marine expertise. Great prices, quick delivery – your parts ship fast.