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HEUI Injector for Navistar (AP66921)

HEUI Injector for Navistar (AP66921)

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This part replaces Navistar OEM Part #: 1848721C93 4307212R91 5010823R91 6913-PP 6930-PP

Installation requires removal of high-pressure oil rail. Use AP0025 High-Pressure Oil Rail Seal Kit when reinstalling oil rail.

This product contains an item which is sold exchange, meaning the old unit, or 'core' must be returned within 35 days of order shipment. For more information regarding our core and warranty policies please visit

Year Range: 2007-2010 

Application: MaxxForce 9: 300 HP to 330 HP

                     MaxxForce 10: 310 HP to 350 HP

Engine Serial Number Range: 3,000,001 to 3,300,000