Up for sale is a genuine Mercury OEM ERC Extension Harness, part number 84-8M0173887. This 5-foot brown harness is designed to extend connections for Mercury ERC (Electronic Remote Control) systems, ensuring reliable communication and performance for your boat’s electronics.

Features:

• Brand: Mercury Marine
• Part Number: 84-8M0173887
• Length: 5 Feet
• Color: Brown
• Type: ERC Extension Harness
• OEM genuine Mercury part
• High-quality marine-grade construction

Condition Details:
This harness is old stock and has never been installed or used. It may show minor cosmetic wear from storage but is fully functional.

Fitment:
Designed for Mercury ERC (Electronic Remote Control) systems. Please verify compatibility with your specific installation before purchasing.