Don’t gamble with your Mercury’s reliability. This genuine REED BLOCK ASSEMBLY Component Of Powerhead ensures long-term performance and protects your investment in quality marine power.

Designed and manufactured to Mercury Marine OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 42963A11 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 42963A11 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: 100-115HP MARINER, MERCURY

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

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP OUTBOARD (Mariner): 0A722297-0D283221, 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9523034-9793576, 9793577-0P016999
• 100HP OUTBOARD (Mercury): 0B209468-0D283221, 0D283222-0G760299, 0G760300-0G965520, 0P017000-0P058999, 9523034-9793576, 9793577-0P016999

115HP Models

• 115HP OUTBOARD (Mariner): 0C100000-0D283221, 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999
• 115HP OUTBOARD (Mercury): 0C100000-0D283221, 0D283222-0G760299, 0G760300-0T979999, 0P017000-0P325499, 0T980000-0T999999

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

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