Genuine Products

• Diesel USA Group's complete all makes product offering allows us to service everything from passenger cars and commercial vehicles, to industrial, locomotive, and marine applications.

• Turbochargers

  • All Turbochargers
  • 3k Turbochargers
  • BorgWarner Turbochargers
  • Diesel USA Group
  • Garrett Turbochargers
  • Grizzly
  • Holset Turbochargers
  • IHI Turbochargers
  • Mitsubishi Turbochargers
  • Schwitzer Turbochargers
• Fuel Systems

  • All Fuel Systems
  • Ambac
  • Bosch
  • Diesel USA Group
  • Cummins
  • Delphi
  • Denso
  • Grizzly
• Electrical

  • All Electrical
  • Bosch
  • Delco Remy
  • Denso
  • Leece-Neville
  • Mitsubishi
• Exhaust / Emissions

  • All Exhaust/Emissions
  • Grizzly EGRs/Valves
  • Durafit DPFs
  • Skyline DPFs
  • Redline DPFs
  • RoadWarrior DPFs
• Charge-Air Products

  • All Charge-Air Components
  • Av-Tekk Coolers
  • Quick Check Leak Test Kit
• Filtration / Additives

  • All Filtration Additives
  • Fleetguard
  • Racor
  • Stanadyne
• Engine Parts / Components

  • All Engine Components
  • Bosch
  • Cummins
  • Delphi
  • Denso
  • Grizzly
• 

Related: Locations | Products | Services | Our History

Our specialized knowledge, leadership, and experience all began over six decades ago and still guides our group of companies today. As a member of the Diesel USA Group and the Association of Diesel Specialists we provide complete coverage for everything from genuine diesel parts (like turbochargers and fuel systems) to component repair and remanufacturing, along with a knowledgeable staff and good ol' fashioned advice for anyone seeking it.

Ontario, California

This Diesel USA Group facility serves both the wholesale and retail markets. The specialized contracts held by Diesel USA Group, Ontario (formerly Performance Turbochargers) means they are the exclusive west coast market source for many products, including turbochargers for automotive and diesel applications.

No other source has our network of inventory for rapid service, our local technical support to perform problem solving failure analysis, our experience for the very oldest to latest high-tech products, or our skills to provide superior designed products as a solution to lowering your costs.

Contacting Diesel USA Group, Ontario

General product and service-related questions may be directed to - products@dieselusa.com

Contact information: (and New Address)
1477 E Cedar Street, Unit D
Ontario, CA 91761
Phone: 1-866-887-2648
Fax: 1-909-429-7204
Office Hours: Mon.-Fri. 8am-5pm