This 12V starter motor is a Recmar replacement for MerCruiser and Volvo Penta applications using GM 305 (5.0L) marine engines. It cross-references MerCruiser OEM 50-99418A2 and is supplied under Recmar SKU REC50-99418A2. Designed for bottom-mount installations with an offset/staggered 2-bolt pattern and a 9-tooth pinion.

Before ordering: verify your engine model/year and the part number on the starter currently fitted, as GM marine starters vary by mounting pattern and tooth count.

• Part: Starter Motor
• Voltage: 12V
• Pinion: 9-tooth
• Rotation: Clockwise (CW)
• Mounting: Bottom mount, offset/staggered 2-bolt pattern
• Primary engine fitment (supplier): GM 305 / 5.0L (1976–1995)
• Cross-reference / OEM numbers: MerCruiser 50-99418A2 (also 50-12177A2, 50-77328A1, 50-77328A3, 863007A1, 864340A2, 50-8M6007291, 50-8M6007404, 50-8M6007405); Volvo Penta 3803587, 3854751, 3856004, 3857747, 3860764, 3885317; OMC 0769583, 3855177, 3857747, 3860566; Crusader 1109482
• Related service parts (Recmar): Mounting screw kit REC10-861788; solenoid relay REC3853869
• Brand: Recmar (aftermarket replacement)
• SKU: REC50-99418A2

Fitment depends on the exact engine/drive package. Always confirm compatibility using your engine ID and the OEM reference numbers above before purchase.