In , when it asks for “Motornummer,” it wants the engine code – a 4–10 character alphanumeric code. This tells the system exactly which parts fit: pistons, gaskets, timing kits, injectors, etc. Why Is the Engine Code So Critical in TECDOC? Two cars can look identical – same model, same year, same color – but have completely different engines. Order a water pump for a 2.0L diesel when the car has a 1.6L petrol, and it won’t fit.
And next time a parts supplier asks for your “TECDOC Motornummer,” you’ll know exactly what they need – and why. Need help decoding your engine code? Drop your car model and year in the comments, and I’ll point you in the right direction.
Here’s the key difference:
But what exactly is a “TECDOC Motornummer”? Let’s break it down. TECDOC is the world’s leading vehicle parts catalog system, developed by the German company TecAlliance . It’s used by over 400,000 workshops and parts dealers globally. Think of it as the “Google for car parts” – but far more structured.