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Detroit Series 60 14L turbo GT4502V R23534361 front view

GT4502V R23534361 Turbocharger for Detroit Series 60 14.0L

GT4502V

The GTA4502V / GT4502V is the Garrett turbocharger for the Detroit Diesel Series 60 14.0L engine used in Freightliner, Kenworth, Peterbilt, International, and MCI bus applications. The Series 60 14L was the big-displacement version of the Series 60 family, rated at higher HP than the 12.7L. This is a VGT turbo with electronic actuator, covering DDEC V platform trucks from 2004-2011. Garrett part 758204-0007, Detroit OEM R23534361/23534775. Our GT4502V ships new with all new components including speed sensor, dynamically balanced, with gaskets. We supply shops, fleets, and distributors.

Turbo Model

GTA4502V / GTA4508V (Garrett, VGT with electronic actuator)

OEM / Interchange Numbers

3534775, R23534361, 730395-0035, 730395-5035S, 758029-0007, 758160-5007S, 758160-9007

Application

Detroit Diesel Series 60 14.0L, DDEC V (2004-2011, Freightliner, Kenworth, Peterbilt, International, MCI)

Service & Support

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FAQ

The GTA4502V (R23534361 / 23534775) fits the Detroit Diesel Series 60 14.0L on the DDEC V platform, 2004-2011. Garrett numbers include 758204-0007 and 730395-0035.

No. The K31 and S400 are BorgWarner turbos for the Series 60 12.7L. The GT4502V is a Garrett VGT turbo for the Series 60 14.0L. Completely different turbos for different engine displacements.

Includes the speed sensor. Check your specific application for actuator requirements.

Freightliner, Kenworth, Peterbilt, International, and MCI buses with the Detroit Series 60 14L DDEC V engine, 2004-2011.

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.

GT4502V for Detroit Series 60 14.0L: The DDEC V VGT Turbo

The Series 60 14L was the last generation of the classic Detroit Series 60 family, offering more displacement and power than the 12.7L. The GT4502V is a Garrett VGT turbo — unlike the Series 60 12.7L which uses BorgWarner K31 and S400 turbos, the 14L uses a Garrett unit with an electronic VGT actuator.

Detroit Series 60 turbo overview

EngineTurboManufacturer
Series 60 12.7L (360-430 HP)K31BorgWarner
Series 60 12.7L (450-475 HP)S400BorgWarner
Series 60 14.0L (this page)GT4502V / GTA4508VGarrett
DD13 12.8LB3GBorgWarner

Common failure modes

  • VGT vane sticking — the electronic VGT on the 14L is prone to vane sticking from soot, especially on EGR-equipped DDEC V engines.
  • Actuator failure — the electronic actuator motor or gears fail. VGT position fault codes. Test separately from turbo body.
  • Bearing wear — shaft play at 300k-500k miles on highway trucks.

Installation

  • Ships with speed sensor and gaskets.
  • Direct bolt-on replacement for the Garrett GTA4502V.
  • Flush oil feed line. Prime turbo before startup.
  • Verify VGT operation through DDEC V ECM after install.

See our quality process for details.

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