DEFA parts in our catalogue carry TecDoc-verified fitment data. Many major brands — including Bosch and Continental — also supply directly to vehicle manufacturers as OEM partners. Check individual product listings for OE cross-references.

What is the return policy for DEFA parts?

All DEFA parts come with our 14-day money-back guarantee. Parts are new and sold by authorised distributors. If a part doesn't fit your vehicle, contact our support team.

How do I find the right DEFA part for my car?

Use the vehicle selector at the top of the page to filter DEFA parts by make, model, and engine. Alternatively, search by OE part number if you have it. Every listed part includes confirmed TecDoc fitment.

Are DEFA parts cheaper than OEM?

Quality aftermarket parts from DEFA typically cost less than dealer OEM pricing while meeting TecDoc-verified fitment standards. Exact savings depend on the part type and your vehicle.

How fast is DEFA parts delivery?

We offer free delivery across UK on orders over £99. Most in-stock DEFA parts ship same day.

DEFA Car Parts

Browse the DEFA catalogue — original quality parts and accessories

DEFA supplies 149+ car parts across 4 categories — including engine preheater system heating element, interior heating fan, (engine preheating system) cable set, engine preheating system cable set. Every DEFA part in our catalogue includes TecDoc-verified vehicle fitment and 14-day returns.

Frequently Asked Questions

What DEFA parts are available?

DEFA offers 149+ car parts across 4 categories on our catalogue — including engine preheater system heating element, interior heating fan, (engine preheating system) cable set, engine preheating system cable set. TecDoc-verified fitment data is included for every part.