SKU: CW97230
UPC: 693006009575
MPN: R151
The ARCO Marine Mercury/Mariner Outboard Relay with Shroud and Grommet (Part Number R151) is a 12-volt, 30-amp electrical relay engineered to restore reliable starting and charging circuit function on Mercury and Mariner outboard engines. This OEM-specification component handles the high-current demand of outboard motor starting circuits, making it essential for any engine that has experienced relay failure or performance degradation under load.
The relay's 30-amp rating matches the electrical requirements of Mercury and Mariner outboards across multiple engine displacement ranges and model years. The included protective shroud shields internal contacts from saltwater spray and moisture intrusion—a critical design feature for marine environments where corrosion poses a constant threat to electrical continuity. The grommet mounting system provides secure, vibration-resistant installation while maintaining proper alignment with the engine's electrical harness. This relay directly replaces Mercury Marine part numbers 828151, 828151A1, and 882751A1, ensuring exact compatibility without modification or adaptation.
Anglers running weekend fishing trips or extended offshore expeditions depend on consistent engine starting—a dead relay in rough water is more than an inconvenience. Weekend fishermen troubleshooting reluctant cold starts and professional guides managing fleet maintenance both benefit from having a verified OEM-spec relay on hand. ARCO Marine backs this component with a 12-month parts and labor warranty, providing coverage for both the relay itself and associated labor costs should defects occur under normal use.
When replacing an outboard relay, verification against your specific engine's part number—828151, 828151A1, or 882751A1—ensures correct electrical matching. Improper relay selection can result in incomplete circuit engagement or circuit overload. This ARCO replacement is sized, rated, and constructed to the original specification, eliminating guesswork and compatibility risk.
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