Mercury MerCruiser Starter Motor Assembly

The Mercury MerCruiser 863007A1 Starter Motor Assembly is a genuine Mercury Marine OEM permanent magnet gear reduction (PMGR) starter motor designed for a wide range of MerCruiser petrol sterndrive and inboard engines. Engineered for reliable starting performance in harsh marine environments, this high-torque starter provides fast and dependable engine cranking while meeting marine ignition protection requirements.

The 863007A1 features an offset bolt pattern and is designed for engines equipped with a 14-inch flywheel. It replaced numerous earlier Delco-style starters and is commonly used on GM-based 4-cylinder, V6 and V8 MerCruiser engines. Genuine Mercury construction ensures proper fitment, corrosion resistance and long-term reliability in both freshwater and saltwater applications.

Suitable for many MerCruiser 3.0L, 4.3L, 5.0L, 5.7L, 6.2L, 7.4L, 8.1L and 496 MAG applications, this starter is a direct OEM replacement for numerous earlier Mercury starter motor assemblies. Engine serial number verification is recommended before ordering.

• Genuine Mercury Marine OEM part
• PMGR (Permanent Magnet Gear Reduction) design
• High-torque marine starter motor
• Offset bolt pattern
• Suits 14″ flywheel applications
• Ignition-protected marine design
• Corrosion-resistant construction
• Direct replacement for many earlier Mercury starter motors