Find the accessories your tuner or programmer needs or improve functionality of the OBDII port on your 2004.5-2007 Dodge 5.9L Diesel with the OBDII Splitters & Accessories available. OBDII Splitters provide a solution for setting up additional electronic accessories that utilize the OBDII port on your vehicle. Accessories like extension cables for tuners, programmers, or modules and OBDII covers are available for a variety of applications. Visit XDP and find OBDII Splitters & Accessories from manufacturers such as Bully Dog Technologies, Diablosport, SCT, and many more!