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USD 169.95 169.95 169.95
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Bostech Silver Series 7.3L Remanufactured Fuel Injector

1994-2003 Ford 7.3L Powerstroke
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Replace your failing injectiors with the Bostech Silver Series 7.3L Remanufactured Fuel Injectors. Bostech's Silver Series HEUI 7.3L Diesel Fuel Injectors are manufactured to stringent specifications. Each injector is 100% disassembled, inspected, polished, and certified to original specifications. All mating surfaces are lapped to a precision finish and then assembled and tested to OE quality and performance. New o-rings and seals are installed before packaging.

(Injector Code AA) DE501 Application Info:

  • Ford 7.3L 1994-1998 F-Series (49 State)
  • Ford 7.3L 1994-1996 California
  • Ford 7.3L 1994-1996 E-Series (All) 
  • Navistar T444E 1994-1996 
  • Fits Engine Serial Number 500 to 460,194
Replaces OE Part#: F4TZ-9V527-AARM, F81Z-9E527-DRM, F7TZ-9E527-ARM, 1816187C3, 1818259C2, 1821752C1, 1821836C3, 1822800C95, 1822801C91

(Injector Code AB) DE502 Application Info:

  • Ford 7.3L 1999 F-Series
  • Ford 7.3L 1997-1998 E-Series
  • Navistar T444E 1997-1999
  • Engines Built Before 12/07/1998
  • Engine Serial Numbers 460,195 to 843,989
Replaces OE Part#:F61V-9VE527-BRM, 1822803C1, 1823561C1, 1824582C94, 1824583C97, 1825125C1, 1825126C1

(Injector Code AD) DE504 Application Info: 

  • Ford 7.3L 1999-2003 Ford F-Series & E-Series
  • Navistar T444E 1999-2003
  • Engines Built After 12/07/1998
  • Engine Serial Number 843,990 to 5,999,999.
Replaces OE Part#: 5C3Z-9V527-ARM, 1823751C91, 1831487C92, 1831488C1, 1831489C12, 1831550C14, 1831551C13

(Injector Code AE) DE505 Application Info:

  • Ford 7.3L 1999-2003 F-Series & E-Series
  • Navistar T444E 2002-2003
  • Engine Serial Number 1,313,828 to 5,999,999.
  • Long lead injector used in conjunction with AD injectors to cure the Ford cackle problem
  • Must look for LL on top of the injector in cylinder #8. 
Replaces OE Part#: 5C3Z-9V527-BRM, 1833639C1, 1833640C1, 1833644C1, 1833645C1, 1833646C92, 1833647C91


  • Remanufactured
  • Stock Replacement
  • OE Quality & Performance
  • 13 Month Unlimited Mileage Warranty
Note: See applications above for proper injector selection. 

Product Options

DE501 DE501 - (Injector Code AA)
DE502 DE502 - (Injector Code AB)
DE504 DE504 - (Injector Code AD)
DE505 DE505 - (Injector Code AE)


  • Manufacturer Name Bostech
  • Shipping Weight 5.00 lb.
  • Shipping Length 6 in.
  • Shipping Width 3 in.
  • Shipping Height 12 in.
  • Fuel Type Diesel
  • Warranty Yes
  • Warranty Info 13 Month / Unlimited Mileage
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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