Your Mercury deserves better than cheap aftermarket parts that fail after one season. This genuine HOSE, FLUID COOLER (3/4″ I.D.) delivers the reliability your engine was built for.

Designed and manufactured to Mercury Marine OEM standards, this hose ensures reliable operation across all engine RPM ranges. Part number 41642A3 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 41642A3 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: 4-205HP ACCESSORIES, MERCRUISER

• Fits ACCESSORIES, MERCRUISER 4-205HP engines
• Compatible HP: 4HP, 175HP, 185HP, 205HP
• Covers 14 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

4HP Models

• 4HP OUTBOARD (Mercruiser): 0B773243-0D714106, 0D714107-0F000877, 0F000878-0F601126, 0B775130-0D714369, 0D714370-0F001219, 0F001220-0F601126

175HP Models

• 175HP OUTBOARD (Mercruiser): 0B527955-0B773242

185HP Models

• 185HP OUTBOARD (Mercruiser): 0A331455-0B527954, 6330183-6919655

205HP Models

• 205HP OUTBOARD (Mercruiser): 0A331455-0B527954, 0B527955-0B775129

HP Models

• HP OUTBOARD (Accessories)

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

Not sure if part 41642A3 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

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