{"product_id":"arco-marine-zeus-a275l-j-180-4-alternator-w-terminal-block","title":"ARCO Marine Zeus A275L J-180 4\" Alternator, 12V 311A Max – Made in USA","description":"\u003cp\u003e\u003cstrong\u003eUnleash robust power and superior charging performance\u003c\/strong\u003e with the ARCO Marine Zeus A275L J-180 4\" Alternator. Engineered for high energy production and the coolest operating temperatures in its class, this alternator is designed for demanding applications across marine, RV, military, and commercial sectors. Its advanced E-Coat\/Cerakote finish and dual cooling fans ensure sustained high amperage output, rapidly charging large battery banks and reducing the need for an auxiliary generator. Proudly made in the U.S.A. and SAE J1171 Certified, it delivers proven dependability for your critical systems. Upgrade your power system today for unmatched reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIn the Box:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eARCO Marine Zeus A275L J-180 4\" Alternator\u003c\/li\u003e\n\u003cli\u003eStandard 49K6 (6-groove, 49mm) Pulley\u003c\/li\u003e\n\u003cli\u003eM17 x 1.5 x 24mm Nut\u003c\/li\u003e\n\u003cli\u003e18mm ID x 29mm OD Washer\u003c\/li\u003e\n\u003cli\u003eTerminal Block and P-Type Harness for External Regulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Benefits \u0026amp; Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Power Output:\u003c\/strong\u003e Delivers a maximum cold output of 311 Amps at 9,000 RPM, with sustained cruising output of 227 Amps (hot, 6,000 RPM) and 198 Amps at idle (hot, 3,000 RPM) for rapid battery charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Thermal Management:\u003c\/strong\u003e Features E-Coat\/Cerakote finish and dual cooling fans, allowing it to run 8-20% cooler than comparable alternators for sustained high amperage output and extended lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Maintains maximum continuous operating temperature up to 110°C \/ 230°F, ensuring reliability in harsh conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Idle Performance:\u003c\/strong\u003e Provides significant amperage even at low engine speeds, reducing reliance on a generator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J1171 Certified:\u003c\/strong\u003e Meets industry safety standards for marine ignition protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the U.S.A.:\u003c\/strong\u003e Guarantees high-quality manufacturing and dependability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Regulation:\u003c\/strong\u003e Designed for use with an external regulator (terminal block and P-type harness included) for precise control over charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Mounting:\u003c\/strong\u003e Features a J180 4-inch saddle mount for secure installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Weighs 14.9 lbs \/ 6.7 kg, designed for efficiency without excessive bulk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Battery Connection:\u003c\/strong\u003e Equipped with an M8 thread side-mount battery post.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Pairings:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Replaces most Volvo Penta alternators using a 4-inch J180 saddle-style mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Regulator:\u003c\/strong\u003e For maximum performance and optimal lithium battery charging, pair with an ARCO Zeus Bluetooth alternator regulator.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARCO Marine","offers":[{"title":"Default Title","offer_id":53306687750462,"sku":"CT-117890","price":1044.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/3235\/8731\/files\/107323XL.jpg?v=1779140296","url":"https:\/\/www.tugandtow.com\/products\/arco-marine-zeus-a275l-j-180-4-alternator-w-terminal-block","provider":"Tug and Tow","version":"1.0","type":"link"}