Brand: ARCO Marine
ARCO Marine Zeus A225S 3.15 12 V 254 A Alternator, Isolated Ground, MPN 4013
ARCO Marine Zeus A225S 3.15 12 V 254 A Alternator, Isolated Ground, MPN 4013
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About this product
The ARCO Marine Zeus A225S 3.15 is a 12 V alternator with isolated ground and a terminal block, built for high-output charging in marine, RV, military, and commercial applications.
- Output: Maximum 254 A at 9,000 alternator RPM (cold); sustained cruising 187 A at 6,000 RPM (hot); sustained idle 157 A at 3,000 RPM (hot).
- Electrical: 14.1 V default output, P field, 16 rotor poles, and internal regulation with an adapter for optional external regulation.
- Cooling and finish: Dual cooling fans, an exterior-mounted rectifier, and heat-shedding coatings; available in black Cerakote or E-coating.
- Fitment: Yanmar Common Rail engines introduced after 2013: JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, and 4JH110.
- Mounting: Small frame, 130 mm stator, M8 side-mount battery post, and standard 49 mm 6-groove pulley. The pulley mount has a 17 mm diameter, 25 mm long shaft with M17 x 1.5 threading.
- Included: Terminal block and pulley hardware: M17 x 1.5 x 24 mm nut and washer with 18 mm ID and 29 mm OD.
- Additional specifications: 12 lb; 1,061 RPM cut-in; 19,000 RPM maximum alternator speed; 50 A avalanche diodes (6 positive and 6 negative); maximum continuous operating temperature 110 deg C / 230 deg F.
- Certification: SAE J1171.
- Manufacturer part number: 4013.
An ARCO Zeus Bluetooth Alternator Regulator can be used for maximum performance or lithium battery charging; the regulator is not listed as included.
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Product facts
- CT SKU
- CT-169003
- Model / MPN
- 4013
- UPC / GTIN
- 612461032430
- Package dimensions (H × W × L)
- 10" X 10" X 10"
- Package weight
- 14.0 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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Shipping & returns
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
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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