# ARCO Marine Zeus A275L N62 Alternator w/Terminal Block [A275L-12-N62-EX-49K6]

**Zeus A275L N62 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

   - 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 for maximum performance or lithium battery charging.
-   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 most Mercedes and BMW alternators, Mercedes Sprinter 1999-2006 alternators, Mercedes Sprinter Factory dual alternator 2007-Up Replacement

**This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.**  
[Quick Guide (pdf)](https://productimageserver.com/literature/quickGuide/103946QG.pdf)  
[Brochure (pdf)](https://productimageserver.com/literature/brochure/103946BR.pdf)

## Details

- **Price:** 1022.0 USD
- **Type:** Alternators
- **Tags:** Brand_ARCO Marine, Clearance, Engine Parts & Service, Engine Parts & Service | Alternators, MRP, Specials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1022.00 USD | In stock |

## Images

- ARCO Marine Zeus A275L N62 Alternator w/Terminal Block [A275L-12-N62-EX-49K6] ARCO Marine

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> Source: [Besafe1st](https://besafe1st.com/products/arco-marine-zeus-a275l-n62-alternator-w-terminal-block-a275l-12-n62-ex-49k6)
> Updated: 2026-05-21