Your Mercury deserves better than cheap aftermarket parts that fail after one season. This genuine **NUT, Carburetor Mounting Stud** delivers the reliability your engine was built for.

Engineered specifically for Mercury Marine engines, this carburetor component ensures reliable operation across all engine RPM ranges. Part number 64809 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 64809 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

FITS: 115-140HP MARINER, MERCURY

• Fits MARINER, MERCURY 115-140HP engines
• Compatible HP: 115HP, 140HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

115HP Models

• 115HP OUTBOARD (Mariner): 4865178-5430526, 5430527-5738890, 5738891-6436122, 7191308-7208847, 8057045-8062459, 8062460-8062634
• 115HP OUTBOARD (Mercury): 5314656-5600966, 5600967-6436122, 7131213-7147987, 7147988-7208847, 8061120-8061269, 3525441-4855152, 7010763-7112248, 8008665-8051949, 4855153-5314655, 7112248-7131212, 8051950-8061119

140HP Models

• 140HP OUTBOARD (Mariner): 5088444-5443029
• 140HP OUTBOARD (Mercury): 5327663-5625107

Not sure where to find your engine’s serial number? View our serial number location guide to quickly locate it on your Mercury engine.

Not sure if part 64809 fits your engine? Try our parts finder tool – it’s quick and easy. Need expert help? Contact us using the buttons at the bottom of this page – text, call, or email, whatever works best for you.

40+ years of marine expertise. Low prices, fast shipping – most orders placed by 1pm ship today.