CF Power Turbocharger Caterpillar C12 GT4294 Turbo A/R = .66 This is a 100% brand new turbocharger. Engineered to or exceed OEM's standards. Engine: Caterpillar C12 Diesel Free domestic shipping from Brea, CA, USA. All our stock replacement turbochargers are warranted against defects in material and workmanship for a period of one year from the date of original invoice. Please read the product description below for details regarding its applications, part numbers, etc.