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DaimlerChrysler specific 2007 information
Current DaimlerChrysler vehicles requiring ULSD fuel include the 2007 Cab Chassis equipped with a
Cummins 6.7 L engine and Dodge Ram 2500 & 3500 trucks with the 6.7 L Cummins (trucks built Jan
2007 or later). Vehicles released later this year such as the 2007 Dodge Sprinter and the Jeep Grand
Cherokee (CRD) equipped with 3.0 L diesel engines will also require the use of ULSD fuel.
Dodge / Cummins fuel requirements:
For the 6.7 L Cummins engine off-road diesel fuel that does not meet the ULSD specifications is NOT
acceptable. The use of fuel other than ULSD will at a minimum result in damage to emission control
systems. Such damage caused by incorrect fuel usage is not covered by the manufacturer’s warranty.
Regardless of model year, the maximum concentration of high quality biodiesel fuel allowable is 5%.
(Refer to owners manual or applicable TSB for further information)
Fuel quality (including no water), filtration, and storage are critical to the reliability and operation of high
pressure common rail injected diesel engines. Please review TSB 14-007-06 REV.A for more information
regarding the fuel requirements on the Cummins equipped trucks.
In order to increase customer satisfaction and prevent premature component failure please make it a
priority to review the fuel and fuel handling requirements with customers during the purchase and or
service of their vehicles. Also, you are strongly encouraged to educate your customers regarding the
importance of maintaining their vehicles as per the information contained in the owner’s manuals and
maintenance guides. In addition, it would be helpful to explain that the quality of simple maintenance
items such as oil, fuel, air filters, and water separators can make a substantial difference to their
performance and genuine Mopar parts are the best choice for replacements. It can not be overstated how
important regular maintenance and quality parts are, especially when operating vehicles in severe
conditions or off-road.
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