Optic Sensor for DS Injection Pump

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Brand new genuine Optic sensor for all DS4 injection pumps Includes: 1 NEW Optic Sensor assembly Application: 1994 & Newer 6.5L diesel or turbo diesel vehicles with DS4 injection p ump Trouble codes for optic sensor failure: OBDI DTC 17 - Low Resolution Fault DTC 18 - High Resolution Fault OBDII PO370 - High Resolution Fault PO251 - Fuel Metering Failure/Optic cam sensor failure (low resolution fault) See our other listings for the O-Ring and top cover gasket to complete installation. Aka Encoder Sensor, Optical Sensor, Optic Eye This part is NON RETURNABLE. Know what you are getting into before ordering it. Show more