Your Mercury deserves better than cheap aftermarket parts that fail after one season. This genuine FILTER, Oil – Quicksilver Brand delivers the reliability your engine was built for.

Engineered to Mercury’s rigorous OEM standards, this filter ensures reliable operation across all engine RPM ranges. Part number 866340Q03 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.

Why risk your Mercury engine with questionable aftermarket parts? Genuine part 866340Q03 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 3-357HP MERCRUISER

• Fits MERCRUISER 3-357HP engines
• Compatible HP: 3HP, 350HP, 357HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

3HP Models

• 3HP OUTBOARD (Mercruiser)

350HP Models

• 350HP INBOARD (Mercruiser)
• 350HP MAG MPI (Mercruiser): 1A300000-1A611927, 1A611928-1A623184, 0M398372-0W389999, 0W390000-0W689999, 0W690000-1A089999
• 350HP MAG MPI MIE (Mercruiser): 0M398372-0W389999, 0W390000-0W689999, 0W690000-1A089999
• 350HP MPI ALPHA (Mercruiser)
• 350HP OUTBOARD (Mercruiser): 1A611928-1A623184, 1A300000-1A611927, 1A611928-1A623184

357HP Models

• 357HP OUTBOARD (Mercruiser)

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

Verification & Support

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