BorgWarner 172743 K31 Turbocharger | Detroit Series 60 & CAT C12 12.7LBorgWarner 172743 K31 Turbocharger for Detroit Series 60 & CAT C12 12. 7L The BorgWarner 172743 K31 turbocharger is a new replacement turbo for select Detroit Series 60 and Caterpillar CAT C12 12. 7L applications. Built as a value driven BorgWarner replacement option, this K31 turbo is designed for dependable fitment, durability, and long service life in heavy duty diesel applications. This turbocharger features BorgWarners Forged Milled Wheel (FMW)

Unlike factory press-in injector cups or aftermarket cupless head castings

Item Type: Industrial Injection Performance VE Pump

Torque Lock injector cups are mechanically locked in place to prevent movement under high heat and pressure

The Industrial Injection Stage 2 Ported & Polished Cylinder Head is designed for 2007

00 per injector core

By allowing the injection pump rack to travel further

Twin Flow T4 Inlet Half Marmon 178788 1

These injectors will come with new copper crush washers and O-rings for installation

Part Number: 773540-5001S

Old Part Number: IISGTP38LHY

One-piece aluminum center housing

New valve springs installed