• ARCO Marine Zeus A275L Alternator, 311 Amp High Output, 1-2" Single Foot Mount
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Brand: ARCO Marine

ARCO Marine Zeus A275L 12V 1-2 in. Single Foot Alternator

ARCO Marine Zeus A275L 12V 1-2 in. Single Foot Alternator

$1,044.72
$1,044.72
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About this product

The ARCO Marine Zeus A275L is a high-output 12V alternator engineered for rapid charging of large battery banks in marine, RV, military, and commercial applications. Optimized for performance at idle speeds, this unit features dual cooling fans and heat-shedding coatings to run 8–20% cooler than standard alternators, ensuring sustained amperage output.

Key Features:

  • SAE J1171 certified and made in the U.S.A.
  • Designed for use with an external regulator, such as the ARCO Zeus Bluetooth alternator regulator.
  • Large frame size with 138mm stator and 16 rotor poles.
  • Includes terminal block and P-type harness.
  • Max cold output of 311 Amps at 9,000 RPM.
  • Sustained hot idle output of 198 Amps at 3,000 RPM.
  • Features E-Coat/Cerakote finish for heat dissipation.
  • Standard 6-groove 49mm pulley included with mounting hardware.
  • Weight: 14.9 lbs.

Mounting and Compatibility:

  • Compatible with most domestic engine styles featuring a single 1" or 2" mounting foot, such as Motorola or Prestolite.
  • Requires external regulation for operation.

Manuals & videos

  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-117895
Model / MPN
4027
UPC / GTIN
695845908453
Package dimensions (H × W × L)
10" X 10" X 10"
Package weight
16.55 lb

Specifications

Type
ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Termin

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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Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

Fit & compatibility

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