Replacement Starter for Mercruiser Marine Engines

Replacement for Mercruiser starter motor designed to fit 7.4L applications with 454CI 8Cyl configuration. This component serves as a direct substitute in marine stern drive setups from the specified year and model range. It supports continued operation of the engine starting system across compatible vessels. Engineered with precision mounting points and robust electrical contacts, the starter delivers consistent cranking power even in demanding saltwater environments. Its heavy-duty construction resists corrosion and vibration, ensuring long service life aboard recreational and commercial boats alike. Technicians appreciate the plug-and-play installation that aligns perfectly with factory brackets, reducing downtime during seasonal maintenance or emergency repairs.

Key Features & Benefits

• Constructed to align with original Mercruiser starter dimensions and mounting points for 7.4L engines
• Provides electrical engagement for GM 454CI 8Cyl powerplants in Bravo stern drive configurations
• Supports multi-application use in various Mercruiser and similar marine engine assemblies

Product Specifications

• Product type: Starter
• OEM/Brand name: Mercruiser
• Overall length: 5.350 inches
• Rotation: Clockwise

Replacement Compatibility

Compatible with Mercruiser Model 7.4L Bravo Stern Drive year 1988 GM 7.4L 454CI 8Cyl engines and additional marine systems using equivalent starter configurations. This starter integrates seamlessly with existing wiring harnesses and solenoid connections found on late-1980s GM big-block marine engines, eliminating the need for adapters or custom fabrication. Owners of similar displacement powerplants in other brands may also find this unit suitable provided mounting and electrical specifications match. Always verify flywheel tooth count and rotation direction before final installation to guarantee proper engagement and avoid premature wear on the drive gear or ring gear teeth. Proper alignment during mounting prevents binding and ensures the solenoid plunger travels freely for instant response when the ignition key is turned. Routine inspection of battery cables and grounds further improves starting reliability and protects the new starter from voltage spikes or excessive current draw.

Discover the Perfect Replacement

Locate the exact starter component needed for your Mercruiser marine engine. Review the listed specifications and place an order to maintain starting system performance. Whether you are performing preventive maintenance ahead of the boating season or addressing an unexpected failure on the water, this replacement provides an economical solution without sacrificing quality or durability. Stock your workshop with this versatile starter to service multiple vessels efficiently and keep customers satisfied with prompt, professional repairs.

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.