MerCruiser 4.5L MPI Engine with Bravo Sterndrive 300 Hour Maintenance Kit

Mercury Marine MerCruiser 4.5L MPI Engine with Bravo Sterndrive 300 Hour Maintenance Kit

The Mercury Precision Parts 300 Hour Maintenance Kit (8M0147067) is a genuine OEM service kit designed to simplify scheduled maintenance on MerCruiser 4.5L MPI engines with Bravo sterndrive manufactured from 2014 onward. All essential service components are bundled into a single convenient package, ensuring technicians and boat owners have everything required to complete a thorough 300-hour service without sourcing individual parts separately.

The kit is engineered to meet strict Mercury Marine quality standards, providing exact fitment and optimal performance. Premium oil and fuel filters feature a high internal pleat count for superior filtration that extends engine longevity. Heavy-duty electroplated housings on the filters resist corrosion, delivering dependable reliability even in harsh saltwater and freshwater marine environments. Each component is designed for a precise fit, eliminating compatibility concerns and reducing service time.

This kit applies to 4.5L MPI 200 and 250 Alpha/Bravo configurations across multiple serial number ranges, including serial numbers 2A441953 through 2A530777 and 2A530778 and up, covering both standard and EC (Emissions Compliant) variants. For a complete service, pair this kit with genuine Mercury 4-Stroke Marine Engine Oil and Mercury Premium Gear Lube (part 858058K01), sold separately. Mercury parts and accessories are backed by decades of engineering, testing, and manufacturing expertise.

Key Features

• Fits MerCruiser 4.5L MPI engines with Bravo sterndrive (2014 and newer)
• Covers 4.5L MPI 200 and 250 Alpha/Bravo configurations, serial ranges 2A441953–2A530777 and 2A530778 & up
• Includes oil filter, fuel filter, 2 gearcase drain seals, spark plugs, thermostat, thermostat gasket, serpentine belt, PCV valve, and seawater pump impeller kit
• Premium filters with high internal pleat counts for superior filtration
• Heavy-duty electroplated filter housings resist corrosion in marine environments
• Genuine Mercury Marine factory OEM part — not aftermarket
• All-in-one package simplifies 300-hour scheduled maintenance
• Backed by Mercury Marine engineering and manufacturing expertise