The Best 9 Pin Obd Connector of 2025 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best 9 Pin Obd Connector of 2025. Check our ranking below.
2,285 (random num) Reviews Scanned
Rank No. #1
16 Pin Male to 9 Pin Female OBD2 OBDII to J1939 Green Type 2 Adapter Cable for Heavy Duty Trucks and Commercial Vehicles with OBD II Diagnostic Connector
- 9-Pin to OBD II 16-Pin adapter cable for 9 pin J1939 ELD or diagnostic devices on trucks with the 16 pin OBD2 port.
- 16-pin OBD II male to 9-pin J1939 female adapter.
- Fit for Volvo for MACK and other commercial heavy duty trucks.
- It is suitable for connecting truck devices such as GPS, ELD and other diagnostic tools.
- If there is any problem with the product, please do not hesitate to contact us, we will help you solve the problem.
Rank No. #2
AMHTDOL 9 Pin to 16 Pin OBD2 Adapter Cable for Heavy Duty Trucks and Commercial Vehicles,Type 2 Green J1939 Diagnostic Connector Plug Work with Truck OBD Diagnostic Scanner Tool
- 【About Truck 9pin Cable】This j1939 9 pin to obd 2 adapter cable converts the round green type 2 9pin J1939 connector (CAN500) on commercial vehicles to OBD2 16pin for use with OBD2 diagnostic scan tools.
- 【Applications】This 9 pin OBD2 adapter can be used as truck fleet GPS, ELD & OBDII diagnostic tool.
- 【Wide Compatibility】The 9 pin j1939 to 16 pin obd2 16pin obdii adapter cable heavy duty truck is compatible with 2015+ Freightliner/ Kenworth/ International, 2016+ Volvo & Western Star with Cummins diesel engine, etc.
- 【Sustainable use 3000+ times】This 9 pin to 16pin obd2 truck diagnostic scanner cable adapter is made of high strength PVC material for maximum durability,anti-corrosion and wear resistance.
- 【Easy to Use and Cost-Effective】Plug and Play. This type 2 green J1939 to OBD2 adapter is an affordable alternative to expensive diagnostic tools, making it a cost-effective solution for truck DIY owners and mechanics.
Rank No. #3
HUMZOR 9 Pin J1939 Male to 16 Pin OBD2 Adapter, Heavy Duty Truck Diagnostic Scanner Connector, Compatible with Freightliner, Kenworth, Cummins, Volvo, Western Star & International Trucks（Orange）
- This J1939 9 Pin to 16 Pin OBD2 diagnostic adapter helps establish a stable connection between diagnostic tools and heavy-duty vehicles.
- J1939 9-pin adapter is widely compatible with most heavy-duty trucks, buses, semi-trailers and other large vehicles, and works perfectly with various OBD diagnostic devices.
- The adapter supports multiple brands including Mack, Freightliner, Kenworth, Cummins, Western Star, Volvo, Caterpillar and all vehicles equipped with standard J1939 protocol ports.
- Compact and lightweight design saves valuable space in the vehicle cab; it provides a cost-effective alternative to expensive diagnostic setups, ideal for truck owners and mechanics.
- Please confirm before purchase: your diagnostic tool must have a standard 16-pin male connector and support J1939 protocol to ensure proper functionality.We provide hassle-free return service If you are not satisfied with the product, you can contact us directly, we will provide you with efficient after-sales service.
Rank No. #4
lydesor J1939 9 Pin to OBD 2 Female Adapter Cable,Work with Truck Diagnostic Scanner Type 2 Green J1939 Diagnostic Connector,OBD to 9 Pin J1939 Y Cable Fit for Heavy Duty Commercial Truck ELD GPS
- 【High Performance】This j1939 9 pin to obd2 adapter cable integrates j1939 heavy duty truck standard diagnostic functions.
- 【Easy to install, 3-second connection diagnostics】This truck diagnostic cable Converts the round green type 2 9 pin J1939 connector to 16 pin OBD II for using with OBD2 scan tools or other diagnostic devices.
- 【Wide Compatibility】The diagnostic scanner cable adapter applicable to J1939 OBD2 9 pin male to female and 16Pin long cable for all OBD2 interface cars. Compatible with 2015+ for Freightliner/for Kenworth/for International, 2016+ for Volvo & for Western Star with cummins diesel engine, etc.
- 【Sustainable use 2000+ times】The OBD2 to 9 pin J1939 Y cable for heavy duty truck is made of high-strength ABS material for maximum durability. And it has flame retardant, precision die molding, stable safety and anti-interference.
- 【Easy to use】Plug and plug, ideal for applications like truck GPS, ELD & diagnostic tools. This diagnostic plug 9pin j1939 are an affordable alternative to expensive diagnostic tools, making them a cost-effective solution for truck owners and mechanics alike.
Rank No. #5
Autel Original OBD to Green Type2 9 Pin J1939 and 6 Pin J1708 Split Y Cable for Diesel Truck Diagnostics, 9Pin and 6Pin Male to 16Pin OBDII Female Splitter Adapter, OBD to OBD2 16 Pin Diagnostic Tool
- 💝📢【Read Carfully before Purchasing】 Note: your OBD2 scanner must support BOTH J1939 & J1708 protocol and diagnosis for commercial vehicles in order to communicate with the vehicle. It's recommended to use an OBD2 diagnostic device specially designed for HD trucks, such as Autel CV Scanners (MaxiSYS MS909CV, MS906CV, MS908CV, MS908CV II). Customer experience is our top priority. If you have any issues or questions, please don't hesitate to reach us via 📞 autelchoice @ outlook. com 📞 for 24/7 assistance.
- ✅【9PIN J1939 & 6PIN J1708 Male to 16Pin OBD2 Female Connector】This cable turnes 9pin J1939 port and 6pin J1708 port to OBD2 female port. Note: this is the 9-pin J1939 male and 6-pin J1708 male to 16-pin OBD II female adapter; Not the reverse version (OBD II male to J1939 female).
- ✅【Work with OBD2 Diagnostic Tool】Ideal for truck fleet GPS, ELD, tracker, cam or diagnostic tools which has a 16 pin OBD II plug. Note: your OBD2 scanner must support both J1939 & J1708 protocol and diagnosis for commercial vehicles. It's recommended to use an OBD2 diagnostic device designed for HD trucks.
- ✅【Compatible with Heavy Duty Commercial Trucks】OBD to Type 2 Green9p J1939 and 6p J1708 Split Y Cable for Diesel Truck Diagnostics. This cable can work with J1939 type 1 & J1939 Type 2 & J1708 female connectors.
- ✅【Work with Autel CV Scanners】J1939 & J1708 protocol and diagnostic software for commercial vehicles are available on following Autel scanners. With this Autel 9pin J1939 & 6pin J1708 to OBD2 16pin Female Adapter Adapter Cable, you can connect your trucks to Autel CV scanners, such as: Autel MaxiSYS MS909CV, MS906CV, MS908CV, MS908CV II.
Rank No. #6
Bufeegua 9 Pin J1939 Male to 16 Pin OBD2 OBDII Female Right Angle Green Type 2 Adapter Cable for Heavy Duty Trucks and Commercial Vehicles for Freightliner Truck for Diagnostic Tool and ELD Tracker
- 9-pin J1939 male to 16-pin OBD II female adapter.
- For Converts commercial truck type 2 9 pin J1939 plug (CAN500) to 16 pin OBD II for using with OBD2 scan tools or GPS.
- Note: The OBD2 scanner or code reader must support the J1939 protocol in order to communicate with the vehicle. An OBD2 diagnostic device designed for HD trucks is recommended.
- Compatible: For Freightliner/ Kenworth/ International 2015+, for Volvo & Western Star with Cummins Diesel Engine 2016+.
- Note: Trucks with black 9-pin Type I J1939 diagnostic ports (typically found on 2015 and older commercial trucks) are not supported.
Rank No. #7
Autel Original Type 2 Green 9pin J1939 to 16pin OBD2 Female Adapter, Male to J1962 OBDII Connector, Work for Heavy Duty Trucks, Used for ELD Device & GPS Tracker & Truck Scanner
- 📢【Please Note】⚠️Compatibility Issues: The realization of diagnostic functions depends solely on: 1️⃣ Whether your vehicle/scanner supports J1939 protocol for truck diagnostics2️⃣ Whether your tool is compatible with your specific vehicle 3️⃣ Whether your device supports the functions you need——Any incompatibility caused by the above is unrelated to this adapter. Please confirm your vehicle’s interface and scanner compatibility. Note: This adapter may not work with Bouncie. ⚠️⚠️⚠️📢For any questions or Compatibility issues, pls co-nt.a-ct us first!!! We will pr.ovide a satisfactory so.lu-tion to any! any! iss.ue: 💌Autelchoice @ outlook . com💌
- ✅【2026 Newest J1939 Male to OBD2 Adapter】The Autel Original J1939 to OBD2 Adapter features🔌a 9Pin green Type 2 male J1939 connector +🔌a 16Pin female OBD2 connector. Both the J1939 and OBD2 connectors are strongly overmolded for enhanced durability.✔️It efficiently connects J1939 port / OBD2 port, designed for connecting ELD tracker & diagnostic scanner and other fleet management device.
- ✅【Ideal for ELD, GPS Tracker】With excellent compatibility, Autel 16 Pin OBD2 Adapter works seamlessly with most truck devices including ELD, GPS trackers, and other OBD diagnostic scanners. It widely applicable in truck maintenance and fleet management scenarios.
- ✅【Compact & Space-Saving】Autel j1939 to obd2 adapter is extremely small in size and lightweight, taking up minimal space（Only 7.5cm in height, paired with a 4.7cm-wide and 2.6cm-thick OBD female connector, plus a 4cm-diameter green connector(Please allow small manual measurement errors). its compact size is easy for toolbox storage and on-the-go use. Easy to store in a toolbox or carry with the vehicle, it avoids the hassle of wire tangling, making it convenient for daily use.
- ✅【Autel Professional-Grade Quality & Durable Construction】Upholding Autel's strict industrial-grade manufacturing standards, 9 pin to obd2 adapter is crafted from premium engineering plastic shell, resistant to breakage and wear with a long service life. Both 9pin and 16pin OBD2 connectors undergo strong overmolding treatment, ensuring stable structure, and enhanced durability. Manufactured with precision, it can withstand long-term frequent use while maintaining consistent, reliable performance.
Rank No. #8
9 Pin Type 2 J1939 to 16 Pin Female OBD2 Adapter Cable for Heavy Duty Trucks and Commercial Vehicles, Green J1939 Diagnostic Connector Plug Work with Truck ELD GPS Trackers OBD Diagnostic Scanner Tool
- Perfect Compatibility, This Type 2 J1939(CAN500) 9Pin to OBD2 16pin Adapter Cable is suitable for truck devices like GPS Trackers , ELD & diagnostic tools . One side of the adapter is a 9 Pin J1939 connector, and the other side is a 16 Pin J1962 connector, which is widely applicable to a variety of OBD diagnostic device models to meet the needs of different models.
- Easy To Use, Plug and play, quick connection diagnostics,this truck 9pin to 6pin cable no need to modify and install software.
- Sustainable use 2000+ times, This diagnostic scanner cable adapter is constructed from high quality PVC and PE material, ensuring maximum reliability and durability for long-lasting use. Professional manufacturing, superior flexibility, stable characteristic and high reliability.
- Convenient, Which can quickly change the plug type to make it perfectly match with your diagnostic device, eliminating the tedious steps of plugging and unplugging.
- 36 months which covers all products. Choose us if you want a quality, service and a memorable experience. We back with your 100% customer satisfaction.
Rank No. #9
Autel Original OBD Diagnostic Adapter, 9Pin J1939 Male to 16Pin OBD2 OBDII Female Connector, Work for Heavy Duty Trucks and Commercial Vehicles, Compatible with OBD2 Automotive Diagnostic Scanners
- This adapter turns 9pin J1939 male port to obd2 16pin female port.
- The Autel 9pin J1939 OBD convertor adapter is used for freightliner ELD tracker & diagnostic scanner and other fleet management device.
- This is adapter ,not cable . It's very small . It can save much space.
- Please confirm that your car supports the OBD II protocol, if you need to contact the adapter to your OBD2 scanner, such as Autel MaxiSYS MS909CV/ MS908CV Diagnostics Scan Tool.
- Autel 9Pin OBD1 J1939 Male to 16Pin OBD2 OBDII Female Connector comes with 1-year warranty and a 30-day no reason return&replace policy. If you have any questions, please contact us via the following: 📞Autelonline @outlook. com📞, we will reply you within 24 hours, and solve all your problems asap.
Last update on 2026-07-06 / Affiliate links / Images from Amazon Product Advertising API
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