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Detroit Series 60 11.1L turbo GT4294 23522194 front view

GT4294 23522194 7147885002 Turbocharger for Detroit Series 60 11.1L

The GT4294 is a Garrett turbocharger for the Detroit Diesel Series 60 11.1L engine — the original displacement when the Series 60 was introduced in 1987. The 11.1L was produced through the late 1990s and was widely used in transit buses and trucks at 300-365 HP. The GT4294 is also used as a stock replacement on lower-HP Series 60 12.7L applications. Garrett part 714788-5002, Detroit OEM 23522194. Our GT4294 ships new with all new components, dynamically balanced, with gaskets. We supply shops, fleets, and distributors.

Turbo Model

GT4294 / GTA42 (Garrett, wastegated)

OEM / Interchange Numbers

  • 23522194
  • 7147885002
  • R23522194
  • 23528045
  • 7147889002
  • R23528045
  • 1700251102

Application

Detroit Diesel Series 60 11.1L 300-365HP; also verified lower-HP 12.7L applications

Service & Support

  • 1-Year Unlimited-Mileage Warranty
  • US Stock, Fast Dispatch
  • Bulk Orders Welcome
  • White-Label Support
  • Fully Certified
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FAQ

The GT4294 (23522194 / 7147885002) fits the Detroit Series 60 11-1L at 300-365HP, plus verified lower-HP 12-7L applications. OE and interchange numbers include 23522194, 7147885002, R23522194, 23528045, 7147889002, R23528045, 1700251102. If your number is not listed, send it with the old part's dataplate photo and we confirm the match before shipping.

No. The K31 and S400 are BorgWarner turbos for the 12-7L. The GT4294 is a Garrett turbo for the 11-1L. Different turbo families for different displacements.

Brand new, 100% new components, dynamically balanced. No core charge. One-year unlimited-mileage warranty.

Yes. US stock, volume pricing for shops, fleets, and distributors.

GT4294 for Detroit Series 60 11.1L: The Original Series 60 Turbo

The Series 60 11.1L (677 cu in) was the engine that started the Series 60 legend in 1987. It ran in transit buses, refuse trucks, and over-the-road trucks until the 12.7L replaced it. The GT4294 is the Garrett turbo for this displacement.

Complete Detroit Series 60 turbo reference

EngineTurboManufacturer
Series 60 11.1L (this page)GT4294Garrett
Series 60 12.7L (360-430 HP)K31BorgWarner
Series 60 12.7L (450-475 HP)S400BorgWarner
Series 60 14.0LGT4502VGarrett
DD13 12.8LB3GBorgWarner
DD15 14.8LB3GBorgWarner

Cross Reference Numbers

This turbocharger replaces the following OE and interchange numbers:

  • 23522194
  • 7147885002
  • R23522194
  • 23528045
  • 7147889002
  • R23528045
  • 1700251102

Related configuration: K31 172253 for Series 60 12.7L.

Installation and Care

  • Find out why the old turbo failed before installing the new one. Oil starvation or contaminated oil will destroy the replacement the same way.
  • Change the engine oil and filter. Flush or replace the oil feed line.
  • Replace the exhaust manifold and oil drain gaskets. Prime the turbo with clean oil before startup.
  • Verify wastegate actuator movement before loading the engine.

See our quality process for details.

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