SKU: 26667771280

ARCO Marine Zeus A275L Vortec Alternator w/Terminal Block

Sale price$451.75 Regular price$501.95
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

ARCO Marine Zeus A275L Vortec Alternator w/Terminal BlockZeus A275L Vortec Alternator with Terminal Block The highest power output alternator in its size class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 20% cooler than incumbent alternators due to: Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and OEM

Zeus A275L Vortec Alternator with Terminal Block

The highest power output alternator in its size/class.

Features:


  • Engineered for High Energy Production.

  • Suitable for Marine, RV, Military, and Commercial applications.

  • Rapidly charges large battery banks.

  • Coolest operating temperatures for increased performance.

  • Runs 8 - 20% cooler than incumbent alternators due to: Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and OEM Components.

  • It is optimized for performance at idle speeds.

  • Reduces the need for a generator by creating additional power with your engine.

  • Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods.

  • Use an ARCO Zeus Bluetooth alternator regulator or lithium battery charging for maximum performance.

  • SAE J1171 Certified.

  • Made in the U.S.A.

Technical Specifications:


  • Voltage - 12v

  • Field Type - P

  • Rotor Poles - 16

  • Stator Size - 138mm

  • Frame Size - Large

  • Weight - 14.9 lbs/6.7 kg

  • Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)

  • Output Voltage - 14.1v (Default)

  • Finish - (Black) Cerakote or E-coating

  • Cut-In RPM - 1,061 Alternator RPM

  • Maximum Alt RPM - 19,000

  • Battery Post - M8 Thread Post, Side Mount

  • Standard Pulley - 49K6 (6-groove, 49mm)

  • Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5

  • Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)

  • Diodes - 6 positive, 6 negative, 50A Rated, Avalanche

  • Max Output (Cold, 9,000 RPM) - 311 Amps

  • Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps

  • Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps

  • Max Continuous Operating Temperature - 110C / 230F

Mounting Application:

  • Replaces Mando-type alternators using Vortec/GM pad mounting feet. (Found on many Mercruiser and Volvo Penta 3.0GLM, 3.0GLP, 4.3GXi, 5.7GiL, 5.7GXiL Marine Engines.) (GM Blocks)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26667771280

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BB
Phoenix, US
★★★★★ 3
Works but will Dry Out Your Skin
Size: 6 Ounce (Pack of 1)
I am a swim instructor at an outdoor pool and this stuff DOES work. I can apply it at the beginning of a 5 hour shift and while I have experienced light tanning it has protected against burning completely without reapplication. The white cast is significant though I don't mind it aesthetically, I know its there for protection . It does rub off on things though so consider yourself warned. Major Con: it is incredibly drying, and the soap needed to scrub it off is A LOT. That coupled with chlorine is a lot for my skin . Still on my sunscreen journey.
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Reviewed in the United States on May 4, 2026
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Dirk D.
Alexandria, US
★★★★★ 5
The Best
Size: 3 Fl Oz (Pack of 1)
Dry, not greasy, and easy to apply. Lots of protection and leaves skin feeling clean.
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Reviewed in the United States on May 9, 2026
I
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idgf
Birmingham, US
★★★★★ 5
Great product makes my skin look dewy and soft with no powdery biproduct
Size: 3 Fl Oz (Pack of 1)
Excellent product. It looks white on my fingertips but absorbs as a clear product which feels soft, cool, and gel-like on my skin. I usually use it with a gel moisturizer but I think one can use it on its own.
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Reviewed in the United States on April 27, 2026
V
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Veronika
Birmingham, US
★★★★★ 5
Sunscreen for Combination and Sensitive Skin
Size: 3 Fl Oz (Pack of 1), Size: 3 Fl Oz (Pack of 1)
I’ve been buying different skincare products because I really want to improve the way my skin looks and feels. My skin type is combination, with a history of acne, some acne marks, enlarged pores (especially on my nose and cheeks), a dull and slightly dry tone, occasional sensitivity, a light expression line on my forehead, and sometimes dry patches. As you can see, I have quite a few concerns, so I have to be careful with the products I use. 💬 I chose this Sunscreen, and I’ve absolutely loved it! The texture is lightweight and keeps my skin well-hydrated throughout the day. My face doesn’t look dull anymore — it looks fresh and naturally glowy, which I really appreciate. I also love how quickly it absorbs without leaving any greasy or sticky feeling. And of course, the most important part: it really protects my skin from the sun.
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Reviewed in the United States on October 15, 2025
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Millie
West Palm Beach, US
★★★★★ 4
Great product but expensive and small
Size: 3 Fl Oz (Pack of 1)
This looks great on the skin, it's a very good product. Expensive for the size though, the tube is more like travel size. I think it's worth it if you have sensitive or acne-prone skin as this didn't break me out like traditional sunscreens, but I think it's expensive for how much you get.
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Reviewed in the United States on April 11, 2026

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