Description
Sierramarine I/O Starter – Marine Boat Replacement Part is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.
Permanent Magnet Gear Reduction; 4.909:1 Gear Reduction Ratio; 153 Or 168 Tooth Flywheels; For Use With 1983+ GM V-6 And V-8 Engines/ 1999+ MCM 3.0 Liter Engines
Fitment & Product Details
- Brand / Manufacturer: Sierramarine, Sierra
- Year found: 1983, 1999
- Search-optimized by brand, system, part type, and fitment cues.
- Verify compatibility with your original part number, engine model, and application before ordering.
- Built for boat owners, e-commerce shoppers, and professional marine service teams.






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