Replacement Starter Relay for Mercruiser 454 MAG MPI GM V8 Engine

Replacement for the 1997 Mercruiser 454 MAG MPI GM V8 engine starter relay solenoid. This essential electrical component manages power delivery to the starter motor, allowing smooth engine ignition in marine applications. Built to match original specifications, it delivers consistent performance under demanding conditions on the water. Boaters rely on this relay for dependable starts every time the key turns. The design focuses on durability with corrosion-resistant materials suited for marine environments where moisture and vibration are constant factors. Installing this relay helps restore full starting system function without modifications to existing wiring or mounts. Extensive testing confirms reliable operation across temperature ranges typical for boating seasons. The relay supports repeated cycling without degradation in contact performance. Marine vessel owners benefit from quick restoration of starting reliability after replacing a faulty unit. Attention to material selection ensures compatibility with the electrical demands of the large displacement V8 configuration.

Key Features & Benefits

• Direct fit for the listed Mercruiser engine model
• Functions as the starter relay solenoid to control electrical current to the starter
• Single application design for 1997 454 MAG MPI GM V8
• Resists corrosion from saltwater exposure common in boating
• Supports reliable engine cranking in varying temperatures

Product Specifications

• 12V DC coil with 30 amp continuous contact rating
• Sealed housing protects internal contacts from moisture intrusion

Replacement Compatibility

Compatible with 1997 Mercruiser 454 MAG MPI GM V8 engines requiring a starter relay solenoid. This part addresses common starting issues such as clicking sounds or failure to engage the starter motor. Regular inspection of the relay can prevent unexpected breakdowns during outings. The solenoid activates precisely when voltage is applied from the ignition switch, completing the high-current circuit needed for the starter. Users appreciate the straightforward swap that returns the boat to service quickly. Quality construction ensures long service life even with frequent use in freshwater or saltwater settings. Consider pairing with new battery cables if wear is evident elsewhere in the starting circuit. Proper torque on mounting hardware maintains secure electrical connections over time. Boaters in coastal areas particularly value the added protection against environmental exposure. The compact footprint allows installation in tight engine compartments without clearance issues. Overall this component contributes to safer and more enjoyable time on the water by minimizing downtime from electrical faults in the starting system. Expanded paragraphs detail every aspect of function installation and expected service life for thorough buyer understanding.

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.