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 Power for the 1996–2000 Toyota 4Runner . It is a single-piece, bolt-on system designed to fit factory mounting locations.

If you are looking for instructions on how to assemble these parts, they are generally considered intended to be installed as single units or standard multi-piece kits by a mechanic.

: A lightweight, fire-resistant bomber jacket with reflective trim. It is often used in construction and industrial settings where high visibility and flame resistance are required. Medical & Lab Equipment

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. 123997

If you are looking for instructions on how to assemble these parts, they are generally considered intended to be installed as single units or standard multi-piece kits by a mechanic. The number "123997" is associated with several distinct