Heavy Diesel J1939 Y-Splitter M to F 9-Pin & 16-Pin OBD Adapter

J1939 9-Pin Y-Splitter OBD Cable - Type-II

Heavy-Duty Truck, Bus, Construction & Mining Diagnostic OBD Cable

This J1939 Y-Splitter adapter cable lets you connect both a J1939 diagnostic tool and an OBD-II (J1962) scan tool to your truck simultaneously. Featuring a 9-pin male plug to 9-pin female + 16-pin OBD-II female ports, it preserves your truck’s diagnostic port while adding OBD-II compatibility. The green Type II connector ensures support for newer (2016+) heavy-duty trucks using 500 kbps J1939 communication. Built with high-quality copper wiring, reinforced connectors, and rugged insulation, this cable is designed for workshops, fleet management, and telematics installations.

This J1939 Y-Splitter adapter cable lets you connect both a J1939 diagnostic tool and an OBD-II (J1962) scan tool to your truck simultaneously. The green Type II connector ensures support for newer (2016+) heavy-duty trucks using 500 kbps J1939 communication.

Key Features:

Splitter Design – Connect a J1939 tool and an OBD-II scanner/IVMS device at the same time.
Green Type II Connector – Supports 2016+ trucks using J1939 500 kbps protocol.
9-Pin Male to 9-Pin Female + 16-Pin OBD-II Female – Retains the OEM port while adding OBD-II access.
Heavy-Duty Use – Ideal for trucks, buses, agricultural, construction, and mining vehicles.
Reliable Performance – Premium copper wiring and secure fit for stable communication.
Durable plastic molded connectors for extended service life.

Compatible Vehicle Brands:

Heavy-Duty Trucks & Buses: Freightliner, Volvo, Kenworth, Peterbilt, Mack, International, Scania, MAN, Iveco, Western Star, Hino
Construction Equipment: Caterpillar, Komatsu, Volvo CE, JCB, Doosan, Liebherr, Hyundai Construction, Hitachi
Mining Machinery: Caterpillar Mining Trucks, Komatsu Mining Equipment, Liebherr Mining Excavators, Hitachi Mining Haul Trucks
Agricultural Equipment: John Deere, Case IH, New Holland, Fendt, Claas, Massey Ferguson

Delivery

99% of purchases are dispatched from our Melbourne warehouse within 24 hours of payment. Every parcel is shipped with Australia Post e-Parcel, complete with tracking and signature on delivery.

Need it sooner? Express shipping is also available—check if your postcode is in the Next Day Delivery network.

Returns

Shop with confidence. We offer a 30-day money back guarantee on all orders. If you’ve had a change of mind, simply return the item in re-original condition and we’ll make it right.

Warranty

All AZscanners products are backed by a 12-month warranty (unless otherwise stated). We stand by the quality of our tools and will repair or replace your item if a covered fault arises.

Buying your scan tool should feel easy, safe, and backed by a team you can trust.

That’s why thousands of mechanics, fleets, and car owners across Australia choose AZscanners. Here’s our promise to you:

Trusted Since 2013

We’ve been Australia’s go-to supplier of premium diagnostic scan tools for over a decade. From workshops and mobile mechanics to DIY users, we’ve built our reputation on quality, reliability, and real support.

30-Day Money Back Guarantee

Changed your mind? No problem. You have 30 days to return your item in its original condition for a full refund. It’s our way of making your purchase completely risk-free.

Quality You Can Count On

Every product in our range is hand-picked for performance, compatibility, and durability. Whether you’re after a professional-grade scan tool or an easy solution for home use, we’ve got you covered.

Local Support that Cares

We don’t just sell scan tools — we support them. Our team of technicians is here to answer your questions before and after purchase, so you’re never left on your own.

Fast & Reliable Shipping

99% of orders are shipped within 24 hours (from our Melbourne warehouse) with tracking and signature included. Need it quicker? Express delivery is available.