Skip to content
High-performance starter designed for Mercury marine engines.
The Sierra Marine Starter Gear Reduction is engineered to meet the demands of high horsepower marine engines, specifically designed for use with Mercury 4.5 liter and 6.2 liter non-GM engines. This starter features a 4.909:1 gear reduction ratio, providing efficient power transfer and reliable performance in challenging marine environments.
Constructed to withstand extreme conditions, the starter isolates internal components from harsh elements, ensuring longevity and durability. An integrated one-way valve and relief cuts effectively remove moisture, preventing water accumulation that could compromise functionality.
The exterior of the starter housing is painted to resist rust and corrosion, maintaining its appearance and performance over time. Sierra Marine products are known for their quality, meeting or exceeding the specifications of the original equipment parts they replace, making them a trusted choice for marine engine and drive parts.
Features
- Designed To Isolate The Internal Components From The Extreme Elements Found In The Marine Environment
- Integrated One-Way Valve And Relief Cuts To Remove Moisture And Prevent Water Accumulation
- Starter Housing Is Painted To Prevent Rust And Corrosion On The Exterior Surface While Keeping Your Starter Looking Like New After Many Years Of Service
- All Marine Products Both Meet Or Exceed The Original Equipment Part It Replaces
Specifications
- Manufacturer: Sierra Marine
- Manufacturer Part Number: 18-55510
- Condition: New
- Flywheel/Flex Plate Tooth Count: 14
- Color: Black
- Drive Type: Gear Reduction
- Gear Reduction Ratio: 4.9:1
- Weight (LB): 4.35 Pound
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
