;

Honest, reliable service you can always count on.

  • BMW diesel engine
  • Diesel pickup truck
  • Diesel-powered luxury boat
  • Diesel heavy construction equipment
  • Shipping semi truck 18-wheeler

Diesel and Gas Fuel Injection Services NH

Welcome to Diesel's Fuel Injection Service, home of Diesel the boxer dog!

We strive to offer the finest, end-to-end fuel injection services in New Hampshire. With roots in the industry dating as far back as 1953, Diesel’s Fuel Injection Service is fully equipped to service all of your diesel fuel injection needs.

Diesel’s is proud to be an authorized distributor of:

Bosch logo
Alliant logo
Denso logo
Stanadyne logo
Delphi logo
Zexel logo

Solutions to Common Fuel Injection Problems

We provide quality service, support, and sales to customers with all manner of diesel equipment.

Diesel Equipment

  • Truck fleets
  • Farm equipment
  • Wood chippers
  • Generators

  • Boats
  • Lawn mowers
  • Vehicles

Diesel Services

  • Failure to start
  • Stalling
  • Black smoke
  • Skipping

  • Rough idle
  • Fuel in engine oil
  • New component sales

Fuel Injector Testing & Cleaning

  • Gasoline
  • Diesel
  • Cleaning
  • Testing

Fuel Injection System Repairs & Rebuilds

  • Diesel
  • Servicing
  • Pumps
  • Injectors
  • Turbos


Diesel's Fuel Injection service area

Towns We Service

New Hampshire

  • Concord
  • Manchester
  • Rochester
  • Meredith
  • Colebrook
  • Pittsburg
  • North Conway/Conway
  • Portsmouth
  • Hampton
  • Plaistow
  • Derry
  • Nashua
  • Keene
  • Lebanon

  • Concord
  • Manchester
  • Rochester
  • Meredith
  • Colebrook

  • Pittsburg
  • North Conway/Conway
  • Portsmouth
  • Hampton
  • Plaistow

  • Derry
  • Nashua
  • Keene
  • Lebanon

Massachusetts

  • Boston
  • Gloucester
  • Newburyport
  • Worcester
  • Brockton
  • Hyannis
  • Chatham
  • Falmouth
  • Nantucket
  • Martha's Vineyard
  • Haverhill
  • Methuen
  • Lawrence
  • Lowell

  • Boston
  • Gloucester
  • Newburyport
  • Worcester
  • Brockton

  • Hyannis
  • Chatham
  • Falmouth
  • Nantucket
  • Martha's Vineyard

  • Haverhill
  • Methuen
  • Lawrence
  • Lowell

Maine

  • Portland
  • South Portland
  • Bitterford
  • Lewiston
  • Auburn
  • Augusta

Diesel Fuel Injection Service Warranty

Diesel's Fuel Injection Service offers a one-year unlimited mileage, unlimited hour warranty on all parts and services we provide. We strive to build lasting relationships with our customers through honest, dependable service and quality workmanship. Get in touch with us, and experience the Diesel's difference!

42 Dunklee Road • Bow, NH 03304