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The JDC620A is a genuine Cojali Jaltest diagnostic cable designed to connect MAN marine diesel engines to the Jaltest marine diagnostic platform. MAN diesel engines power a wide range of vessels — from high-performance sport yachts and express cruisers to commercial patrol boats and work vessels. These are serious, high-output diesel installations, and the JDC620A gives your Jaltest system access to the MAN marine ECU for professional-grade diagnostics.
Listed in the official Jaltest 2025 pricelist at $172 MSRP, the JDC620A is one of the higher-priced marine diagnostic cables in the Jaltest lineup — reflecting the specialized engineering required to interface with MAN's proprietary marine diagnostic port. This cable works with the Jaltest OBD II cable (JDC213M3) or the V9 Interface Link Adapter cable (JDC213.9).
The JDC620A enables diagnostic communication with MAN diesel marine engines including:
The JDC620A has an OBD end that connects to either:
Marine service shops that service MAN diesel-powered vessels. MAN marine engines are found in the higher end of the market — large sport cruisers, offshore powerboats, patrol and rescue vessels, and charter boats. If your shop handles larger vessels with MAN power, this cable is essential for proper electronic diagnostics. MAN diesel engines are known for their performance and reliability, and maintaining them properly requires the diagnostic access this cable provides.
Specialist in professional diagnostic tools since 2016. We carry the full Jaltest Marine cable lineup including specialized cables like the JDC620A for high-end marine diesel applications. Call 866-217-0063 — free shipping, free tech support, full warranty. We can help you determine if the Jaltest Marine Inboard module covers your specific MAN engine application before you order.
Call 866-217-0063 for quick answers and help!
Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
US$40
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