Quadstar Tuning will be CLOSED from July 10th to July 26th, 2020. Any emails, messages or orders placed during this time will be answered and processed beginning July 27th. During this time, we will be restructuring to serve you better and some product listings may change. We'll be coming back strong with multiple new product releases. As always, thank you for your support!!!


Stepper Motor for DS Injection Pump

Stepper Motor for DS Injection Pump

Flight Systems

  • $64.99


Replacement stepper motor to mount on the passenger side of the DS4 injection pump. Compatible with all 1994 and later 6.5L diesels with the DS4 electronic injection pump.  Simply remove the 2 screws (security bits may be required), remove & replace, to restore operation of a failed unit.  

Replacing this item will NOT resolve issues with a stuck advance piston.  These small electronic items are non-returnable, so ensure it is what you need before ordering.

    Includes:

    • New stepper motor only



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