123997 -

: A replacement catalytic converter manufactured by aFe Power for the 1996–2000 Toyota 4Runner . It is a single-piece, bolt-on system designed to fit factory mounting locations.

: While "123997" is sometimes listed in catalogs related to this system, the MicroDock II is a retired test and calibration docking system for gas detectors. 123997

The number "123997" is associated with several distinct industrial and automotive parts. Depending on your needs, you are likely looking for one of the following "pieces": Automotive & Mechanical Parts : A replacement catalytic converter manufactured by aFe