Frequently Asked Questions | Diesel Injector Pro

General Questions

What does Diesel Injector Pro do?

We specialize in reconditioning, testing, and supplying diesel injectors for major brands including Bosch, Delphi, Siemens/VDO, and Denso. Our injectors are precision-tested and come with a 12-month warranty.

Where are you located?

We’re based in London at 73 Bowes Road, N13 4RU. We offer fast nationwide shipping across the UK.

Product & Service Questions

Are your injectors new or reconditioned?

All injectors listed are professionally reconditioned unless stated otherwise. Each unit is tested, calibrated, and includes a seal kit and test report.

What brands do you support?

We supply injectors for:

• Bosch
• Delphi
• Siemens/VDO
• Denso

Explore our Shop by Brand for specific models.

How do I know which injector fits my vehicle?

You can search by part number or vehicle make/model. If you’re unsure, contact us at info@dieselinjectorpro.com or call 07500791333

Shipping & Warranty

How long does delivery take?

Orders typically ship within 2–3 working days. We offer tracked UK delivery via reliable couriers.

Do you offer international shipping?

Currently, we focus on UK-based orders. For international inquiries, please contact us directly.

What warranty do you offer?

All reconditioned injectors come with a 12-month warranty covering manufacturing defects and performance issues.

Technical Support

Can I send my injectors in for testing?

Yes. We offer injector testing and calibration services. Visit our Contact Page to arrange a diagnostic.

What are signs of a faulty diesel injector?

Common symptoms include:

• Engine misfiring
• Poor fuel economy
• Loss of power
• Excessive smoke

Read our blog post: 5 Signs Your Diesel Injector Needs Replacing