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

: 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 : A replacement catalytic converter manufactured by aFe

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 Depending on your needs, you are likely looking

: A three-piece OEM clutch kit for Hyundai models like the Lantra and Pony . The kit includes the clutch cover, disc, and release bearing. Workwear & Safety

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.