9 0 Caterpillar 3406E Idler Gear $75 USD Good used idler gear from a Caterpillar 3406E engine. The idler gear has been visually inspected and is in good condition. The idler gear has no visible damages. All gear teeth are in good... ConditionUsedPart NumberP-1012178Stock NumberP-1012178 MLS Number13302092CategoryIdler Gears Last Updated12/27/2024 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info