Mercury – Bravo One 300-Hour Maintenance Kit | MerCruiser Sterndrive Service | Complete Marine Components | 8M0215915

Overview

Anyone who runs a MerCruiser Bravo One sterndrive knows that smooth days on the water start with dependable maintenance. There’s a certain peace that comes from servicing your drive the right way—no guessing, no missing pieces, no “I’ll get to that later.” This 300-hour maintenance kit delivers that confidence. Everything you need shows up in one box, organized, matched, and ready for the next service interval. Whether you’re cruising with family or pushing through a long offshore run, you’ll know your drive is prepped for the hours ahead.

Key Features

• Complete 300-hour service kit for MerCruiser Bravo One sterndrives (2017 and newer).
• Includes sterndrive install gasket kit, aluminum anode kit, gearcase drain seals, transom repair kit, shift cable kit, and gearcase fill and drain screws.
• All components are genuine Mercury Marine parts engineered for reliable fit and long-lasting durability.
• Heavy-duty filters and high-quality materials designed to support smooth performance.
• Ideal for scheduled maintenance, repower checks, or annual servicing cycles.

Engine & Boat Compatibility

• Fits MerCruiser Bravo One sterndrives (model year 2017 and newer)
• Perfect for small cruisers, sport boats, bowriders, cuddy cabins, fishing boats, and performance sterndrive hulls.
• Compatible with a wide range of MerCruiser gasoline power options paired with Bravo One drives.

Performance & Practical Benefits

A sterndrive depends on regular service, and this kit brings together everything required to keep your Bravo One running tight and steady. The gaskets seat cleanly, the anodes fit precisely, and the seals press in with the kind of reassurance only a Mercury Marine part provides. Every component works together to protect your gearcase, reduce wear, and maintain smooth shifting and dependable cooling.

You’ll feel the difference on the water. Gear engagement becomes crisp, trim response stays predictable, and the drive holds its composure even under heavy load. The new anodes give you that extra layer of protection against corrosion, especially in mixed-salinity waters. With fresh seals and screws, your gearcase stays secure and dry—no surprises, no creeping leaks. It all adds up to a sterndrive that feels tighter, quieter, and more settled throughout the season.

Maintenance gets simpler too. You’re not hunting down individual parts or trying to match hardware piece by piece. It’s all here, all correct, ready to install. Pairing this kit with Mercury Four-Stroke Marine Engine Oil and Mercury Premium Gear Lube (sold separately) gives you a complete service that sets your drive up for long-term reliability.

Why Buy OEM

When it comes to sterndrive service, shortcuts rarely pay off. Aftermarket kits often mix components from different manufacturers, and the fit can be inconsistent. With an OEM Mercury Marine part, you know every seal, gasket, and screw is built for your exact drive. The materials last longer, the fit is cleaner, and you avoid the headaches that come with mismatched parts. It’s the most reliable, cost-effective way to protect your Bravo One and ensure the drive performs the way Mercury designed it.

FAQ

Q1: Which MerCruiser systems does this kit fit?

It fits MerCruiser Bravo One sterndrives from 2017 and newer.

Q2: How is this OEM kit different from aftermarket options?

The components match Mercury’s exact specifications for fit, durability, and long-term reliability—aftermarket kits often don’t.

Q3: How do I know if this is the right kit for my maintenance interval?

If your Bravo One drive is approaching its 300-hour service or annual maintenance, this is the correct Mercury Marine part number.

Q4: Can it be used in both freshwater and saltwater?

Yes. The included aluminum anodes and seals are designed for both environments.

Q5: Is installation straightforward?

Most owners with sterndrive maintenance experience find it manageable, and technicians appreciate having all required components in one kit.