Replacement Starter Relay for Mercruiser 2002 350 MAG SKI MPI Boat Engine

Replacement for 2002 Mercruiser 350 MAG SKI MPI boat engine starter relay. This component connects the ignition switch to the starter motor circuit and enables current flow during engine cranking sequences. Marine environments demand durable electrical parts that resist corrosion from salt air and moisture while delivering consistent performance under vibration and temperature swings. A failing relay can prevent the engine from turning over, leaving boaters stranded at the dock or in open water. Installing a direct-fit replacement restores reliable starting without requiring modifications to existing wiring harnesses or mounting locations. Owners often notice symptoms like repeated clicking noises or complete failure to engage when the key is turned. Proactive replacement avoids unexpected downtime during planned outings on lakes or coastal waters. The part integrates seamlessly with standard marine electrical systems and maintains original performance characteristics across varying load conditions.

Key Features & Benefits

• Direct electrical interface between ignition switch and starter motor
• Supports standard starting voltage requirements for listed Mercruiser engine
• Matches original relay mounting points and terminal layout

Product Specifications

• Rated Voltage: 12 V DC
• Function: Starter circuit activation
• Configuration: Single-application component

Replacement Compatibility

Compatible with 2002 Mercruiser 350 MAG SKI MPI boat engines. Confirm terminal configuration and mounting location match the original relay before installation. Proper fit ensures the relay engages instantly when the key is turned, completing the high-current circuit needed to crank the starter motor.

Discover the Perfect Replacement

Browse the starter relay selection to locate the component that aligns with your engine model. Review all listed specifications to complete your order. Understanding how a starter relay functions helps owners recognize early warning signs such as clicking sounds or intermittent starting. This knowledge supports proactive maintenance schedules that keep marine engines ready for every outing. Quality construction using corrosion-resistant materials extends operational life in demanding saltwater and freshwater conditions alike. Always disconnect the battery before beginning any electrical work to prevent accidental shorts or injury during the swap. Additional tips include labeling wires during removal for easier reassembly and testing the new relay with a multimeter to confirm continuity before final mounting. These steps reduce the chance of repeat failures and ensure long-term reliability for the entire starting system.

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.