--- product_id: 83804082 title: "Truck OBD 6Pin 9Pin J1708 J1939 Protocol Diagnostic Adapter Cable,Heavy Duty Truck Bus Trailer OBD2 Diagnostic Scanner Conntor Black" brand: "otkefdi" price: "āļŋ1602" currency: THB in_stock: true reviews_count: 12 category: "Otkefdi" url: https://www.desertcart.co.th/products/83804082-truck-obd-6pin-9pin-j1708-j1939-protocol-diagnostic-adapter-cable store_origin: TH region: Thailand --- # High-speed data transfer Dual 6Pin+9Pin connectors Compatible with J1708 & J1939 protocols Truck OBD 6Pin 9Pin J1708 J1939 Protocol Diagnostic Adapter Cable,Heavy Duty Truck Bus Trailer OBD2 Diagnostic Scanner Conntor Black **Brand:** otkefdi **Price:** āļŋ1602 **Availability:** ✅ In Stock ## Summary > 🚛 Diagnose Like a Pro — Never Miss a Byte on the Road! ## Quick Answers - **What is this?** Truck OBD 6Pin 9Pin J1708 J1939 Protocol Diagnostic Adapter Cable,Heavy Duty Truck Bus Trailer OBD2 Diagnostic Scanner Conntor Black by otkefdi - **How much does it cost?** āļŋ1602 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/83804082-truck-obd-6pin-9pin-j1708-j1939-protocol-diagnostic-adapter-cable) ## Best For - otkefdi enthusiasts ## Why This Product - Trusted otkefdi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - â€Ē **Plug & Play Powerhouse:** Designed for OBDII scanners with 16-pin male plugs, enabling instant access to CAN/J1939 and J1708/J1587 data streams. - â€Ē **Trusted by Professionals:** Backed by a 2-year warranty and glowing 4.3-star reviews, this adapter is a must-have for serious fleet managers and mechanics. - â€Ē **Built for Precision & Durability:** DOT certified and rigorously tested cable ensures reliable diagnostics in demanding outdoor environments. - â€Ē **Seamless Heavy-Duty Compatibility:** Connect effortlessly to trucks, buses, and trailers with dual 6Pin+9Pin connectors supporting both legacy and modern diagnostic ports. - â€Ē **Future-Proof Your Fleet Diagnostics:** Switch between older and newer truck models without missing a beat, thanks to versatile J1978+J1739 standards support. ## Overview The OTKEFDI Truck 6Pin 9Pin OBD Diagnostic Adapter is a high-speed, dual-connector cable designed to bridge OBDII scanners with heavy-duty trucks, buses, and trailers. Supporting J1708 and J1939 protocols, it enables seamless diagnostics across legacy and modern vehicles. DOT certified and backed by a 2-year warranty, this rugged adapter is engineered for professional-grade reliability in outdoor conditions. ## Description Product description OTKEFDI-PROFESSIONAL OBD DIAGNOSTIC TOOLS/CABLES STORE OTKEFDI has been engaged in Automotive diagnostic tools for 15 years. We have earned plenty of experiences in the field of OBD2 diagnostic tools'. Our engineers are with over 15 years experiences for OBD diagnostic tools,for your car,we can give to you our suggestions and solutions. We can help you to save much repair cost. It will be high appreciative if you can share our products and your purchasing experiences to others. 6+9Pin J1708+J1939 OBD Truck Cable,Heavy Duty Diesel Truck Diagnostic Adapter for OBDII Scanners and GPS OBD heavy duty truck diagnose Y cable---OBD2 16pin female to CANBUS J1708(6pin) and J1939(9pin) communication cable.This adapter allows you to connect your OBD2 16pin scanner/device and your heavy duty diesel trucks,bus and trailer...etc. Features 1. Easily to switch between older and newer models. 2. Provide power, ground, CAN/J1939 and J1708/J1587 data found on factory 9 Pin connector. 3. Approximately 7.8" length. Package 1 x Heavy Duty Diesel Truck 6Pin(J1708) + 9Pin(J1939) to OBDII 16Pin Female Cable OBD 6Pin(J1708 Protocol)+9Pin(J1939 Protocol) Heavy Duty Truck Adapter,Diesel Truck Diagnostic Adapter for OBDII Scanners/Tools and GPS 1. This OBD2 6pin+9Pin diesel truck diagnostic cable just works for J1708 and J1939 protocol Heavy Duty Diesel Trucks witch is with 6pin or 9pin socket, it does not compatible with others pins and protocol trucks. Before puchasing,Please check your truck if it is in J1708 or J1939 protocol(6pin or 9pin socket). This adapter is compatible with many of OBD diagnostic tools and connect GPS. 2. 6+9Pin Heavy Duty Diesel OBD Truck diagnostic cable is in 6Pin+9pin Male(J1978+J1739) to OBD2 16Pin Female. This OBD 6pin+9pin truck cable is ok for most heavy duty truck,bus,trailer...etc. 3. OBD-II 6+9pin Heavy Duty Diesel Truck cable is used for connecting your OBDII diagnostic tools to heavy duty truck with J1708 6Pin and J1939 9Pin socket. Provides power, ground, CAN/J1939 and J1708/J1587 data found on factory 9 Pin connector. 4. Tips:Please make sure your diagnostic device or scanner must have 16 pin MALE plug and MUST be able to read J1708 or CAN/J1939 and detailed (PINOUT) in picture above. Review: Great product for the money - This works good to convert my obd2 port to heavy truck style connectors for using hd tools. Highly recommend Review: This is a specialty item, used in specific applications. - Product works as described. I would buy it again. ## Features - OBDII female to 6pin+9Pin truck diagnositc connect cable.This cable is compatible with many of Heavy Duty turck diagnostic tools. - OBD 6+9Pin Heavy Duty Truck diagnostic cable is in 6Pin+9pin Male(J1978+J1739) to OBDII 16Pin Female. This OBD 6pin+9pin truck cable is ok for most heavy duty truck,bus,trailer...etc. - This OBD 6pin+9pin Heavy Duty Truck diagnostic cable is used for connecting your OBDII scanner to heavy duty truck with J1708 6Pin and J1939 9Pin socket. Easily switch between older and newer models. Provides power, ground, CAN/J1939 and J1708/J1587 data found on factory 9 Pin connector. - Tips:Please make sure your device or scanner must have 16 pin MALE plug and MUST be able to read J1708 or CAN/J1939 and detailed (PINOUT) in picture above. Thanks. - Quality:Cables tested 100%. If anything, please contact with us priority and then have a further discussion. Thanks. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07GT1LX4K | | Best Sellers Rank | #229,078 in Automotive ( See Top 100 in Automotive ) #976 in Code Readers & Scan Tools | | Brand | OTKEFDI | | Brand Name | OTKEFDI | | Cable Type | HDMI | | Color | black | | Compatible Devices | OBD Scanner | | Compatible Phone Models | No Compatible Phone Models | | Connector Gender | Male-to-Female | | Connector Type | Obd J1939 J1708 | | Customer Reviews | 4.3 out of 5 stars 656 Reviews | | External Testing Certification | DOT Certified | | Included Components | Truck J1708 J1939 OBD Diagnositc Adapter | | Indoor Outdoor Usage | Outdoor | | Item Length | 7.8 Inches | | Item Type Name | Truck J1708 J1939 OBD Diagnositc Adapter | | Item Weight | 230 Grams | | Manufacturer | OTKEFDI | | Model | Truck OBD 6Pin 9Pin J1708 J1939 Adapter | | Model Name | Truck OBD 6Pin 9Pin J1708 J1939 Adapter | | Number of Items | 1 | | Number of Pins | 31 | | Other Special Features of the Product | High Speed | | Outer Material | truck obd 6+9pin cable | | Part Number | OTKEFDI-4 | | Recommended Uses For Product | Heavy Duty Truck Diagnostics and Maintenance | | Special Feature | High Speed | | UPC | 759675542154 759675013289 759675542413 | | Unit Count | 1.0 Count | | Warranty Description | 2 years | ## Product Details - **Brand:** OTKEFDI - **Cable Type:** HDMI - **Compatible Devices:** OBD Scanner - **Connector Type:** Obd J1939 J1708 - **Special Feature:** High Speed ## Images ![Truck OBD 6Pin 9Pin J1708 J1939 Protocol Diagnostic Adapter Cable,Heavy Duty Truck Bus Trailer OBD2 Diagnostic Scanner Conntor Black - Image 1](https://m.media-amazon.com/images/I/71j227oVfDL.jpg) ## Questions & Answers **Q: Will this work with 2007 freightliner Detroit 60S** A: I used it on 2013 freightliner chassis RV didn't work. **Q: Will this work on 1989 bmw 325** A: no **Q: Will this work between a SnapOn Solus scanner and a 2011 Monaco RV with a Cummins 425?** A: Hello, Thanks for your question for our truck 6pin 9pin J1708 J1939 obd diagnostic adapter, this truck 6pin 9pin J1708 J1939 obd diagnostic adapter works for J1708/J1939 protocol trucks. Please check if your truck is in J1708 or J1939 protocol, if yes, then our this adapter will work on it. Per your truck information (Cummins 425), our this truck 6pin 9pin J1708 J1939 obd diagnostic adapter should be compatible with it. But our this adapter is just a connector, you need an extra diagnostic scanner or interface. Thank you again for your interested in our truck 6pin 9pin J1708 J1939 obd diagnostic adapter. kind regards, Tse **Q: 2012 international 4300 will it work** A: Hello, Thanks for your interests on our OBD 6+9Pin J1708+J1939 Cable, this OBD 6+9Pin J1708+J1939 Cable is for diesel truck, please check if your truck is in J1708 or J1939, if yes, then this OBD 6+9Pin J1708+J1939 Cable will works on it. Thank you again for your interests on OBD 6+9Pin J1708+J1939 Cable. Have a nice day. kind regards, Tse ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product for the money *by J***Y on February 15, 2026* This works good to convert my obd2 port to heavy truck style connectors for using hd tools. Highly recommend ### ⭐⭐⭐⭐⭐ This is a specialty item, used in specific applications. *by A***R on September 4, 2022* Product works as described. I would buy it again. ### ⭐⭐⭐⭐ worked as described *by R***O on September 4, 2022* worked as described ## Frequently Bought Together - Truck OBD 6Pin 9Pin J1708 J1939 Protocol Diagnostic Adapter Cable,Heavy Duty Truck Bus Trailer OBD2 Diagnostic Scanner Conntor Black - MasTrack - OBD 2 Extension Splitter Y-Cable (9 Pin) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/83804082-truck-obd-6pin-9pin-j1708-j1939-protocol-diagnostic-adapter-cable](https://www.desertcart.co.th/products/83804082-truck-obd-6pin-9pin-j1708-j1939-protocol-diagnostic-adapter-cable) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-06-14*