OBDII Splitters & Accessories

Improve functionality of the OBDII port on your 2003-2004 Dodge 5.9L Cummins or get the accessories you need for your tuner or programmer with OBDII Splitters & Accessories. When adding multiple electronic accessories that use the OBDII port on your vehicle OBDII Splitters are the solution you need. Find the accessories you need for your tuner, programmer, or module including extension cables and OBDII port covers. XDP carries OBDII Splitters & Accessories from manufacturers like Bully Dog Technologies, Diablosport, SCT, and more!