Part Number: 710-50-863007A1
Bring back dependable starting power with the Mercury 50-863007A1 Starter, a genuine OEM replacement designed for Mercury and MerCruiser marine engines. Built to meet factory specifications, this starter delivers strong, consistent cranking for smooth ignition whether you’re launching for the day or restarting after hours on the water.
Engineered for marine use, the 50-863007A1 features a high-torque motor and durable internal components that hold up to heat, vibration, and moisture inside the engine compartment. Its ignition-protected design makes it safe for gasoline-powered applications, helping ensure reliable performance in enclosed environments.
This starter is commonly used across a range of Mercury and MerCruiser inboard and stern drive engines, particularly 3.0L 4-cylinder and select V6 platforms. It’s a direct-fit replacement for many factory-installed units, making installation straightforward with proper alignment and connections.
Common fitments include:
- MerCruiser 3.0L (4-cylinder) sterndrive engines
- MerCruiser 4.3L V6 engines (select applications)
- Bowrider models such as Bayliner 175 and Bayliner 185
- Runabouts like the Sea Ray 175 Sport and Sea Ray 185 Sport
- Deck boats including Hurricane SunDeck series with MerCruiser power
- Various small cruisers and sport boats equipped with Mercury/MerCruiser engines
Fitment can vary by engine serial number and mounting configuration, so confirming compatibility with part number 50-863007A1 is recommended before ordering.
Key Features:
- Genuine Mercury OEM starter for dependable performance
- High-torque output for consistent engine cranking
- Ignition-protected for safe marine operation
- Designed for 3.0L and select V6 MerCruiser engines
- Durable construction built for harsh marine conditions
If your boat is showing signs of slow or inconsistent starting, this starter provides the reliability and factory-correct fit needed to get your engine turning over quickly and keep you on the water without interruption.