Experiencing engine hesitation or reduced power? This authentic Mercury Marine **HOSE, FLUID COOLER (3/4″ I.D.)** solves the problem with factory precision – no guessing, no compromises.

Built to Mercury’s exacting factory standards, this component 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 installation – no modifications, no surprises.

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)

Don’t know where your serial number is? Our quick reference guide shows exactly where to find it on Mercury engines.

Questions about part 41642A3? 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.

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