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HEUI Injector for Navistar (AP66979)

HEUI Injector for Navistar (AP66979)

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This injector is manufactured by Alliant Power.

This part replace Navistar OEM Part Numbers: 1842579C95 5010659R92 1842226C91 6908-PP 6925-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: 2004-2005

Application: HT570: 295 HP to 340 HP (HT)

Engine Serial Number Range: 2,000,001 to 2,999,999