![ARCO Marine Zeus A275L Vortec Alternator w/Regulator [4034]](https://cdn.shopify.com/s/files/1/0469/0945/6544/files/107330XL.jpg?v=1763589231)
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
ARCO Marine Zeus A275L Vortec Alternator w/Regulator [4034]Zeus A275L Vortec Alternator with Regulator 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 Regulator
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 - Internal/External (Internally regulated with adaptor for optional external regulation.)
- 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)
Quick Guide (pdf)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 306 reviews
Sort
Product Reviews
★★★★★ 5
A Stylish and Functional Addition to My Décor!
Color: Gray 1 Pack, Size: 8" x 8" x 1.8", Color: Gray 1 Pack, Size: 8" x 8" x 1.8"
I recently purchased the ZHEM Valet Tray for Men in Dark Gray, and I couldn't be happier with this product. It's become an indispensable part of my daily routine and home décor.
The design and craftsmanship of this tray are outstanding. The dark gray color is elegant and complements my furniture perfectly. It's not just a valet tray; it's also a decorative piece that adds a touch of sophistication to my nightstand and dresser.
The size (8x8x1.75 inches) is ideal for holding my daily essentials like my watch, perfume, keys, and even napkins. I appreciate the versatility - it serves as a decorative piece, an organizer, and a functional tray all in one!
The quality is top-notch, and it feels sturdy and well-made. It's also easy to clean, which is a big plus.
Overall, the Tray has exceeded my expectations. It's a stylish and functional addition to my décor, and I highly recommend it to anyone looking for a versatile and attractive tray for their home. Five stars! ⭐⭐⭐⭐⭐
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 8, 2023
★★★★★ 5
Super cute landing space for keys
Color: White 1 Pack, Size: 8" x 8" x 1.8", Color: White 1 Pack, Size: 8" x 8" x 1.8"
I always have trouble finding my keys and so it’s been very helpful to have a dedicated spot to easily throw them in when I get home. At first I thought it would be too big but it’s the perfect size for two wallets and keys, and it’s good quality albeit a bit expensive. The gold isn’t too shiny either, it’s a nice touch and it really reduces the look of clutter on your surfaces and helps it look more organized. It also doesn’t slip around.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 2, 2026
★★★★★ 5
Nice tray
Color: Black 1 Pack, Size: 8" x 11" x 1.8"
Using it in the coffee table for remote contrls and headphone. Keeps organized and looks good. Perfect size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
★★★★★ 5
Very nice
Color: White 1 Pack, Size: 8" x 8" x 1.8"
Very nice! It organized stuff in my moms room to look more put together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Tray
Color: Beige 1 Pack, Size: 8" x 11" x 1.8", Color: Beige 1 Pack, Size: 8" x 11" x 1.8"
Perfect as small coffee table tray! Nice and elegant looking!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026