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If you're working on a Cummins B or C series engine—like the 5.9L turbo diesel found in Dodge Rams—you need a barring tool to rotate the engine manually.
This is a genuine Cummins tool, part number 5299073.

It's also known as 3824591A and crosses to OTC-7471A.

It's made of plastic, but it's built to do the job without damaging anything.

It's brand new, not part of a custom bundle, and designed specifically for these engines.

Whether you're setting valves, checking timing, or just need to turn the crank by hand, this barring tool is a must-have for any serious diesel mechanic.

No UPC, but it's the right tool for the job.

4 out of 5