20800 - Arco Marine 12V 70A Replacement Alternator with Pulley

ARCO Marine 12V 70A Replacement Alternator with 65mm Pulley

This premium replacement alternator fits Mercruiser engines from 4.3L to 8.2L, model years 1998 and up. Designed for 12 volts and 70 amps, it features an internal fan and includes a 65mm multi-groove serpentine pulley.

Warranty Information:

When properly installed, all ARCO products are warrantied against defects in materials and workmanship for 12 months for leisure use and 90 days for commercial or racing applications. You can even extend your warranty by one additional year by registering your product within 30 days of purchase at arcomarine.com/product-registration.

Replaces:

DELCO Alternator 19020601
DELCO Alternator 19020609
MERCURY Alternator 862031T
MERCURY Alternator 862031T1
Sierra Alternator 18-6293
Protorque Alternator PH300-0034
Protorque Alternator PH300-0035
MPPARTS Alternator ADR0299
MPPARTS Alternator ADR0316

The ARCO Marine 12V 70A Replacement Alternator, part number 20800, is designed for maintaining electrical system integrity in specific marine engine applications. This unit provides 12-volt, 70-amp output and is equipped with an internal fan for thermal management. It includes a pre-installed 65mm multi-groove serpentine pulley, facilitating direct installation. This alternator is compatible with Mercruiser engines ranging from 4.3L to 8.2L, specifically for model years 1998 and newer. It serves as a direct replacement for several OEM and aftermarket alternators, including DELCO 19020601 and MERCURY 862031T. This component is suitable for IT hardware resellers supporting clients in marine maintenance or those managing fleets with compatible Mercruiser engines, ensuring consistent power supply for onboard systems.