: 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.

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 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

: 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