View 3 Photos View 0 Videos NEW Caterpillar NH3 Ammonia Sensor Assembly 4217786 $420 USD (SURPLUS NEW) OEM Caterpillar NH3 Ammonia Sensor Assembly, for sale!!!Part #: 4217786; Stock #: WH1050 For more information about this listing, shipping, technical questions email us at... Quantity40ConditionNewFits To Make(s)CaterpillarFits To Model(s)C4.4Part Number4217786Stock NumberWH1050 MLS Number12889507CategoryEngine Sensors Last Updated5/23/2024 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info