Delco 3-Wire 12V 78-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul

Delco 3-Wire 12V 78-Amp 10SI Alternator: Reliable Power for Mercury, OMC, Volvo, and More

The Delco 3-Wire 12V 78-Amp 10SI Alternator (API# 20104) is a versatile and reliable charging solution designed for a wide range of marine applications, including Mercury, OMC, Volvo, and others. With its 3-wire hookup, 78-amp output, and internally regulated design, this alternator provides efficient and stable power delivery to meet the demands of marine electrical systems. Ignition protection, clear wire designation, and compatibility with various engine models make it a trusted choice for marine enthusiasts.

Key Features:

• Compatibility: This alternator is designed to fit many marine applications, including Mercury, OMC, Volvo, and others. It can replace Mando and Motorola alternators, making it a versatile choice for various marine engines. It replaces Merc #’s 78477, 78403A2.
• 78-Amp Output: With a 78-amp output, this alternator delivers robust charging power, making it suitable for marine applications with moderate to high electrical demands. The higher output ensures effective charging of batteries and powering of onboard electronics.
• Delco Style 10SI: The alternator follows the Delco Style 10SI design, known for its reliability and performance. This design is widely used in marine applications and provides a compact and efficient charging solution.
• Ignition Protected SAEJ1171: The alternator is ignition protected according to SAEJ1171 standards. This feature ensures safe operation in marine environments where ignition protection is essential, contributing to the overall safety of the electrical system.
• 3-Wire Hook-Up: The 3-wire hookup simplifies the installation process. The alternator has designated wires for the sensor, excitation, and tachometer lead, providing a straightforward and user-friendly connection.
• Red and Black Wire Designation: Clear wire designation is provided for easy and secure connection during installation. The red wire is designated for the sensor, while the black wire is for excitation.
• Interchangeable with API# 20054: The alternator can be interchanged with API# 20054, offering flexibility in selecting the alternator model based on specific requirements or preferences.
• Arco# 20104: The alternator is identified by Arco# 20104, indicating its compatibility with Arco’s product line and ensuring consistent quality.
• OE# 78403A2, Sierra# 18-5951: The alternator is designed to replace OE# 78403A2 and is also identified by Sierra# 18-5951. These references provide compatibility information for easy identification and replacement.
• Warranty: 1 Year: Backed by a one-year warranty, this Delco alternator provides assurance of its durability and reliable performance. The warranty reflects the manufacturer’s commitment to customer satisfaction.

Upgrade your marine charging system with the Delco 3-Wire 12V 78-Amp 10SI Alternator (API# 20104), a reliable solution for Mercury, OMC, Volvo, and other marine applications. With its 3-wire hookup, 78-amp output, and ignition protection, this alternator ensures consistent and safe power delivery for a range of marine engines. Clear wire designation and interchangeability with API# 20054 add to its user-friendly features. Backed by a one-year warranty, this alternator combines performance and peace of mind.