3946x ◎ [ AUTHENTIC ]

In the full-scale automotive performance industry, (specifically RK-3946X ) identifies a specialized air cleaner assembly from K&N Engineering . Design & Build : Type : Round air cleaner with a flat base style. Size : 6 1/4 inch diameter.

: While not a direct part number, related "39xx" sequences appear in service documentation for Nihon Kohden bedside monitors (like the BSM-6000 series), though "3946X" is not a primary model number for those devices . In the full-scale automotive performance industry

In the RC hobby world, is the manufacturer part number for a heavy-duty pinion gear produced by Traxxas . It is a common upgrade or replacement part for high-stress electric RC vehicles. Specifications : Teeth : 16-T (16 teeth). In the full-scale automotive performance industry