Denso Alternators and Starters

We are proud to be an authorized DENSO distributor and distribute from locations throughout the United States and Canada. DENSO (formerly NipponDenso) is the world's largest alternator and starter manufacturer has been supplying the North American market for over 40 years.  DENSO's commitment to quality, durability, performance and innovation is the reason their starters and alternators are truly better by design.

DENSO parts are application-specific and are designed for maximum durability and performance. For medium- to heavy-duty applications, DENSO products are a preferred choice for fleets that require maximum up-time. Heavy equipment, agricultural & farming, construction & mining, commercial truck refrigeration and other industrial applications are also covered. DENSO currently supplies parts for every major automaker and vehicle manufacturer in the world.

Denso HD Gear Reduction Starter

Denso gear reduction starters combine the highest torque in the industry with the lightest weight for a class-8 starter in the market. They can be retrofitted to most types of large diesel engines, to provide you with maximum starting power under rigorous conditions.

Denso HD Brushless Alternators

Denso heavy duty brushless alternators are made to last. They feature:


  • Heavy-duty front and rear bearings
  • Corrosion resistant rectifier and rotor
  • Heat resistant windings
  • Non-soldered connections for easier service
  • Compact lightweight design
  • One-wire connection

Made specifically to fit many CAT, Cummins, Detroit Diesel and Mercedes engines and replacing many other brands to fit nearly all HD applications, a Denso HD alternator can help you get dependable, trouble-free service and reduced down-time for your HD equipment.

Please call us at 1-888-515-2726 or email us at info@alternatorstarter.com if you would like to order a Denso alternator or starter. We ship from multiple locations throughout the United States and Canada. You can also search our database (by application or Denso Part #) for an alternator or a starter at catalogue.alternatorstarter.com.

Read more about Denso Heavy Duty

Read more about Denso North America

DENSO Brochures - Alternators & Starters