Mercury 8M0147064 MerCruiser 4.3L MPI Engine with Alpha Sterndrive 300 Hour Maintenance Kit

Mercury Marine MerCruiser 4.3L MPI Engine with Alpha Sterndrive 300 Hour Maintenance Kit

The Mercury Precision Parts 300 Hour Maintenance Kit (8M0147064) provides everything required to perform a complete 300-hour scheduled service on MerCruiser 4.3L MPI engines built by General Motors with Alpha sterndrive, covering 2002 and newer applications. Designed as a single, all-inclusive package, this kit eliminates the need to source individual parts separately, saving time and ensuring all components meet Mercury's strict OEM specifications.

The kit is compatible with 4.3L MPI Alpha/Bravo sterndrives across a wide range of serial number ranges, including 0M615000 through current production. All included parts are genuine Mercury Precision Parts, engineered and tested to deliver optimal fit and performance in your MerCruiser engine.

Mercury's oil and fuel filters feature high internal pleat counts for superior filtration efficiency, along with heavy-duty electroplated housings engineered to resist corrosion in demanding marine environments. Every component in the kit is backed by decades of Mercury Marine engineering and manufacturing expertise.

To complete your 300-hour service, Mercury recommends pairing this kit with genuine Mercury 4-Stroke Marine Engine Oil and Mercury Premium Gear Lube (858058K01), both sold separately.

Key Features

• Fits MerCruiser 4.3L MPI engines made by General Motors with Alpha sterndrive (2002 and newer)
• Includes 1 oil filter, 1 fuel filter, 2 gearcase drain seals, 1 serpentine belt, 6 spark plugs, 1 thermostat kit, and 1 IAC filter (where applicable)
• Premium-quality oil and fuel filters with high internal pleat counts for superior filtration
• Heavy-duty electroplated filter housings that prevent corrosion
• All-in-one kit simplifies the 300-hour service process
• Genuine Mercury Precision Parts backed by decades of engineering and testing
• Compatible with multiple serial number ranges including 0M615000 thru current and beyond (1A063240 and up)
• Complete your service with Mercury 4-Stroke Marine Engine Oil and Mercury Premium Gear Lube (858058K01), sold separately