Replacement Starter for Mercruiser GM 5.7L 350CI Marine Engine - Multi-application

Replacement for marine engine starters in GM 5.7L 350CI 8cyl form factor compatible with multi-application Mercruiser setups. This component restores the starting sequence in engines listed under the Mercruiser 5.7L MIE designation. Built to handle the demands of saltwater and freshwater environments, the starter delivers consistent cranking power even after extended periods of inactivity. Its robust construction resists corrosion and vibration common in marine use, ensuring long service life across a wide range of operating conditions. Technicians appreciate the straightforward installation that aligns with factory mounting points, reducing downtime during routine maintenance or emergency repairs. The unit undergoes rigorous testing to confirm it meets or exceeds original performance specifications for torque output and engagement speed. Users report smooth, reliable starts season after season when paired with properly maintained batteries and wiring.

Key Features & Benefits

• Matches original starter configuration for GM 5.7L 350CI 8cyl engines
• Supports Mercruiser 5.7L MIE marine engine starting requirements
• Designed for repeated engagement cycles in marine conditions

Product Specifications

• Operating Voltage: 12V DC
• Engine fit: GM 5.7L 350CI 8cyl

Replacement Compatibility

Compatible with Mercruiser 5.7L MIE marine engines using GM 5.7L 350CI 8cyl blocks across listed model years. The starter integrates seamlessly with existing electrical systems, supporting both standard and high-output alternator configurations commonly found in these powerplants. Proper alignment with the engine block ensures optimal pinion-to-ring-gear mesh, reducing the risk of premature gear damage. Owners of older vessels benefit from the updated design that incorporates modern materials while preserving the original footprint and electrical connections. Always verify battery condition and cable integrity before installation to achieve maximum performance and avoid unnecessary strain on the starter motor. With correct fitment confirmed, the unit provides dependable operation whether the boat is used for recreational cruising, fishing trips, or commercial duties. Detailed installation videos and torque charts further assist DIY mechanics and professional yards alike, ensuring each connection meets marine electrical standards for safety and longevity.

Discover the Perfect Replacement

Browse the starter options to locate the matching replacement for your Mercruiser GM 5.7L 350CI engine and complete the order. Detailed fitment guides and technical support are available to confirm compatibility before purchase, helping avoid returns and installation issues. This approach saves time and ensures the selected component performs as expected from the first use onward.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.