Connect your diagnostic laptop to older 6-pin commercial vehicles with this 9-pin to 6-pin converter adapter.
Built for durability and reliability, this adapter allows any 9-pin (J1939) diagnostic tool to interface with 6-pin (J1708)systems — making it perfect for older Freightliner, International, Kenworth, and other Class 6–8 trucks.

Key Features:

• Converts 9-pin J1939 to 6-pin J1708

• Designed for heavy-duty diesel truck diagnostics

• Plug-and-play – compatible with Nexiq USB-Link 1 and similar adapters

• Rugged molded connectors with strain relief

• Works with all programs provided with diagnostic laptop

Common Use Cases:

• Older diesel trucks with 6-pin diagnostic ports

• Fleets with mixed truck years

• Mobile diesel techs needing quick compatibility in the field

Technical Specs:

• 9-pin male to 6-pin female connector

• Compatible with 6- and 9-pin diagnostic adapters

• Works with all major dealer-level diesel software (adapter required)

Pro Tip:

If you already use a 9-pin diagnostic tool, this cable is essential to access older 6-pin vehicles without needing a separate adapter. Carry one in your mobile toolkit or shop bay.