Test Equipment - Common Rail Pumps and Injectors Test Equipment - E.U.I Test Equipment - Common Rail Injectors Test Equipment - Test Bench Common Rail - Diagnostic and Tooling Injectors and Pumps Pichler Tools

Welcome to Darwen Diesels Ltd

Established since 1970, Darwen Diesels Ltd is the largest independent UK distributor of Diesel Fuel Injection Components and Diesel Common Rail Test and Diagnostic Equipment.

Our modern warehouse facility in central Lancashire holds vast stocks of OE and quality replacement parts with next day delivery, Diesel injector nozzles, Fuel lift pumps, Injector pipes, Fuel Filters, Fuel primers and stop solenoids, covering most diesel fuel injection systems.

In 1998 we realised the enormous inpact Common Rail would have on the automotive industry and immediately started a development programme to enable Darwen Diesels to provide a comprehensive ALL MAKES diesel Common Rail test and repair service to the aftermarket.

Since that time we offer our customers a full range of Test Benches, Testing equipment, Specialist tools, Replacement Parts, Updates and the "know-how" to fully Test and repair Common Rail Injectors and Pumps by Bosch, Delphi, Denso and Siemens VDO Solenoid and Piezo, EUI, PDE, PPD.

Darwen Diesels has established a Common Rail Diesel Repair Centre Network of 40 plus fully equipped Diesel Common Rail System Repairers using this equipment, situated throughout the UK, Ireland and the Channel Islands.

We offer a comprehensive range of 'in house' remanufactured Common Rail, EUI, PDE and PPD Injectors and pumps on an Exchange or Customer repair program basis for a wide range of cars and light commercial vehicles.


Darwen Diesels are also UK distributors for:

  • Firad - Diesel Injector Nozzle
  • Corona - Diesel Test Equipment
  • Pichler - Tools