This wrench features a 1" square drive input and 1 7/8" box end adapter. It can be driven by the T18250 0-1000 lb.ft. torque wrench to accommodate bolt tightening.
This wrench will fit on all GE FDL engines including the EFI Models equipped with timing gears for Bosch Fuel Pumps.
The T13641 has been obsoleted due to a clearance problem with the GE split gears.