Arco Starting & Charging 4042 A175 Marine Wakeboard Boat Alternator 175 Amp

The ARCO 4042 is a 175-amp high-output marine alternator purpose-built for wakeboard and tow boats with demanding inboard engine electrical systems. Designed as a direct OEM-quality replacement, this alternator delivers robust charging performance to keep up with the heavy electrical loads common in today's wakeboarding vessels — including tower lighting, audio systems, ballast pumps, and onboard electronics.

Key Features:

• 175-amp output for high-demand marine electrical systems
• Built to meet or exceed OEM specifications for reliable, drop-in fitment
• Engineered specifically for the harsh marine environment — resistant to moisture, vibration, and heat
• Every unit is tested before leaving the facility for output accuracy and long-term reliability
• Manufactured in the USA by ARCO Marine, a trusted name with over 60 years of marine electrical expertise
• Replaces OEM alternator part number A175

ARCO Marine alternators are the go-to replacement for inboard marine engines found in wakeboard and ski boats. The 4042 is an ideal upgrade or direct replacement for vessels that require consistent, high-output charging to support modern onboard electrical accessories.