Patent ID: 7886718

Claim:
A fuel injector comprising: a body piece defining a nozzle supply passage and a chamber in fluid communication with the nozzle supply passage and being configured to contain a fluid pressure within the fuel injector, the body piece further including an inner diameter, and an outer diameter having a body piece threaded segment and a second, unthreaded segment that includes an outer surface of the fuel injector; a tip piece including a first end having a sealing land and a second end opposite the first end and having at least one nozzle outlet located therein; a needle check extending within the body piece and the tip piece, the needle check being movable between a first position at which the needle check closes the at least one nozzle outlet and a second position at which the needle check opens the at least one nozzle outlet; and a clamping piece including an inner diameter having a clamping piece threaded segment configured to mate with the body piece threaded segment to couple the tip piece with the body piece, and fluidly sealing the sealing land against the body piece.