Replacement Starter for Mercruiser Engines 5.7L Application

Replacement for Mercruiser marine engine starters begins with precision engineering that matches the demanding environment of saltwater and freshwater vessels. This starter delivers consistent cranking power to 5.

Key Features & Benefits

• Direct fit for Mercruiser 5.7L EFI GM 350CI 8Cyl starting systems
• Supports multi-application use across compatible Mercruiser and other marine engines
• Matches original equipment mounting points and electrical connections
• Heavy-duty construction withstands continuous exposure to moisture and temperature extremes
• Optimized gear reduction provides high torque output with reduced current draw from the battery

Product Specifications

• Product type: Starter
• OEM/Brand name: Mercruiser
• Motor overall length: 5.350 inches
• Pinion teeth count: 10

Replacement Compatibility

Compatible with 1998 Mercruiser 5.7L EFI GM 350CI 8Cyl engines and additional marine starting systems listed in cross-reference guides. The starter aligns perfectly with factory mounting locations and wiring harnesses, allowing boat owners to complete the swap in under an hour using basic hand tools. Performance remains consistent across varying load conditions, from cold starts after winter storage to repeated use during long fishing trips. Owners of twin-engine configurations particularly value the matched response time that keeps both power plants synchronized during departure and docking maneuvers. Detailed guidance on torque settings and alignment checks accompanies each unit to promote correct installation the first time. Long-term reliability data collected from fleet operators shows minimal wear on drive components even after thousands of start cycles. Choosing this starter helps maintain peak propulsion readiness and protects against unexpected failures that could interrupt voyages or compromise safety margins on open water.

Discover the Perfect Replacement

Browse the full selection of Mercruiser replacement starters to locate the matching component for your engine model and restore reliable starting operation. Proper starter function is critical for safety on the water, and this unit meets or exceeds OEM durability standards. Detailed installation guidance and torque specifications are included to ensure correct alignment and long service life. Whether you operate a single-engine runabout or a twin-screw cruiser, selecting the right starter prevents unexpected downtime and protects your investment in marine electronics and propulsion systems. Regular inspection of starter connections combined with this replacement keeps your vessel ready for every outing. Additional considerations include verifying battery condition and cable integrity before finalizing any starter swap to achieve maximum service interval between replacements.

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.