The Evinrude Johnson OMC Idler Gear Arm P/N: 323303 is a new old stock (NOS) part designed specifically for outboard engines. Manufactured by OMC, this idler gear arm is a genuine replacement part with the manufacturer part number 323303. This product is ideal for those looking to maintain or repair their boat or outboard engine with high-quality, authentic components. Please note that this item does not come with a warranty, so buyers should ensure they are comfortable with this aspect before making their purchase.