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Universal parts – spare parts that are not vehicle-specific
The universal parts catalogue enables you to search for lighting and electrics/electronics products that are not vehicle-specific.
Universal parts catalogueVehicle-specific spare parts
Our online catalogue is designed to make it easier for you to search for spare parts. This means that you can, for example, enter the relevant vehicle by using our comprehensive manufacturer list, the type designation or the engine code.
Vehicle-specific spare partsBrief information as PDF download
Information on various products in one database.
Brief informationDownloads on individual topics
Further technical information

Basic Knowledge
Replacing the horn - Instructions
Step-by-step instructions for replacing the horn on various models such as the Audi TT/RS and Grand Cherokee.
Reading Time: 5 minutes
Basic Knowledge
Checking the alternator regulator
Find out how to check the multifunction regulator, measure the generator voltage and ensure that the regulator is functioning correctly.
Reading Time: 4 minutes

Basic Knowledge
Starter damage assessment
Starter faulty? Spot typical causes such as overloading or misfiring and find out how to repair damage effectively.
Reading Time: 1 minute

Basic Knowledge
Alternator damage assessment
How to diagnose damage to the alternator: ranging from corrosion and short circuits right up to bearing damage.
Reading Time: 1 minute

Basic Knowledge
NOx sensor - troubleshooting and repair instructions
Everything about the NOx sensor: how it works, typical causes of failure, symptoms and fault diagnosis with the control unit.
Reading Time: 8 minutes
Basic Knowledge
Exhaust gas recirculation – EGR valve
Everything about the exhaust gas recirculation system: causes of defective EGR valves, their inspection and replacement - knowledge for the vehicle workshop.
Reading Time: 12 minutes

Basic Knowledge
ABS and ESP control units
Important basics and diagnostic information for ABS and ESP control units - everything your workshop needs for repairs.
Reading Time: 4 minutes

Basic Knowledge
Activated charcoal canister – facts & info
Everything about the activated charcoal container: how it works, typical fault symptoms and causes in the event of a fault - including workshop tips.
Reading Time: 2 minutes

Basic Knowledge
Keyless Go & Keyless Entry system
Introduction to the Keyless Go system - from function and possible faults to diagnostics, ideal for vehicle workshops.
Reading Time: 12 minutes

Basic Knowledge
TPMS – tyre pressure monitoring system
Overview of direct and indirect tire pressure monitoring systems (TPMS) - everything you need to know for the vehicle workshop.
Reading Time: 15 minutes
