SKU: 94334035345

ARCO Marine Zeus A275L Vortec Alternator w/Terminal Block [4033]

Sale price$444.02 Regular price$493.35
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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For Your Every Summer RSVP, with Code: SUMMER15

Description

ARCO Marine Zeus A275L Vortec Alternator w/Terminal Block [4033]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

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 - 110°C / 230°F

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: 94334035345

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Nicky
Omaha, US
★★★★★ 1
These sandals are massive
Size: 9, Color: Bison Brown
These sandals are super bulky and fit on the larger size. I would recommend tou size down 1/2 to 1 size.
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Reviewed in the United States on May 30, 2026
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Sarah G.
Carnegie, US
★★★★★ 5
comfy!
Size: 9, Color: Bison Brown
These are my favorite summer sandal. Super comfortable and so versatile with any style of clothing.
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Reviewed in the United States on April 29, 2026
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Nathaniel
Los Angeles, US
★★★★★ 5
Stylish comfort you can wear all day!
Size: 6.5, Color: Chestnut
My wife has been been wearing the UGG Goldenstar Sandals for a few weeks now, and they’ve totally exceeded expectations. These sandals strike the perfect balance between comfort and style, and she’s gotten so many compliments on them! Pros: • Super Comfortable: The cushioned footbed feels like walking on clouds. Perfect for long days on your feet or casual outings. • Lightweight: Unlike some chunky sandals, these are surprisingly light but still feel supportive and well-made. • Adjustable Straps: The Velcro straps make it easy to get the perfect fit, and they’re great for swelling feet after a long day. • Versatile Style: They look great with everything—from jeans and shorts to casual dresses. • High-Quality Materials: Typical UGG quality—durable suede and solid construction. Cons: • Suede Requires Care: The upper is suede, so they’re not ideal for wet conditions and do need a bit of maintenance to keep looking fresh. • Pricey: They’re on the higher end cost-wise, but I’d say the comfort and quality justify the price. I’m really happy with these sandals. They’re a perfect mix of fashion and function, and I’d definitely buy them again in another color!
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Reviewed in the United States on April 9, 2025
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WHoward
Chelsea, US
★★★★★ 5
Best Sandal Ever
There is nothing about these that I don't LOVE. These are so comfortable and look so good. I have 6 pairs in every color. They r my absolute favorite. Run true to size. Listen to Amazon about sizing. They know... I am between size 7 and 7.5 and they recommended 7 and it was a perfect fit. I have not had any issues with the Velcro closure. Amazon has the best prices for UGGS.
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Reviewed in the United States on October 11, 2025
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dawn
Draper, US
★★★★★ 5
Sandals that go with just about everything.
As a lover of everything Ugg, these didn't disappoint. They are some of the most comfortable shoes I have, very lightweight, and go with just about everything. They remind me of the old school Dr. Martens and I had a massive collection of those in high school. I have worn them quite a bit and you can barely tell as they are holding up extremely well.
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Reviewed in the United States on February 15, 2026

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