# ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055]

**Premium Replacement Alternator with Multi-Groove Pulley - 12V 55A**

Replacement alternator that will fit late model Mercruiser, 12 Volt, 55 Amp, Internal regulator 2-inch mounting foot, multi-groove serpentine pulley included.

**Features:**

-   All alternators are engineered for performance and reliability
-   All alternators are engineered and manufactured with precision and quality
-   All alternators must meet or exceed OEM performance before being boxed

**Warranty Information:**

When properly installed, all ARCO products are warrantied against defects in materials and workmanship for a period of 12 months for leisure use and 90 days for commercial or racing applications. 

Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registration 

**Replaces:**

MERCURY Alternator 807652T  
SIERRA Alternator 18-5967

**This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.**

**Specifications:**

-   Amperage: 55A
-   Voltage: 12v
-   Box Dimensions: 8"H x 8"W x 9"L WT: 11.3 lbs
-   UPC: 693006001265

  
[Quick Guide (pdf)](https://productimageserver.com/literature/quickGuide/97209QG.pdf)

## Details

- **Price:** 298.68 USD
- **Type:** Alternators
- **Tags:** Brand_ARCO Marine, Clearance, Engine Parts & Service, Engine Parts & Service | Alternators, Specials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 298.68 USD | In stock |

## Images

- ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055] ARCO Marine
- ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055] ARCO Marine
- ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055] ARCO Marine
- ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055] ARCO Marine

---

> Source: [Besafe1st](https://besafe1st.com/products/arco-marine-premium-replacement-alternator-w-multi-groove-pulley-12v-55a-60055)
> Updated: 2026-05-29