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Brand: ARCO Marine

ARCO Marine Zeus A275L J180 4 in. Alternator with Isolated Ground and Terminal Block (4023)

ARCO Marine Zeus A275L J180 4 in. Alternator with Isolated Ground and Terminal Block (4023)

Regular price $1,160.14
Regular price Sale price $1,160.14
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The ARCO Marine Zeus A275L is a high-output 12V alternator engineered for marine, RV, military, and commercial applications. This unit features a 4-inch J180 saddle-style mount, making it a suitable replacement for most Volvo Penta alternators. Designed for maximum efficiency and cooling, it utilizes a specialized E-coat/Cerakote finish and dual cooling fans to maintain performance even at idle speeds.

Key Features:

  • Output: 311 Amps (cold) at 9,000 RPM; 198 Amps (hot) at 3,000 RPM idle
  • Isolated ground design with external rectifier placement for cooler operation
  • Internal voltage regulation with adapter option for external regulation
  • SAE J1171 certified and made in the U.S.A.
  • Frame size: Large, 14.9 lbs.
  • Default output voltage: 14.1V
  • Includes M8 side-mount battery post and 6-groove 49mm pulley hardware
  • Max continuous operating temperature: 230°F (110°C)

Product facts

CT SKU
CT-117922
UPC / GTIN
695845769955
Package weight
16.6 lb

Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.

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