17.0MB
DownloadInstallation material
More information on our installation material
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
NOx-Sensor - Mercedes Benz
Wird im Rahmen einer Fehlersuche an einem Abgasreinigungssystem ein Mangel am NOx-Sensor diagnostiziert, kann dies für eine Werkstatt eine kleine Herausforderung darstellen.
Reading Time: 7 minutes

Basic Knowledge
NOx-Sensor - Fehlersuche und Reparaturhinweise
Alles über den NOx-Sensor: Funktionsweise, typische Ausfallursachen, Symptome und Fehlerdiagnose mit dem Steuergerät.
Reading Time: 8 minutes

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
Technical product
Oil temperature sensor
Reading Time: 1 minute
Technical product
Oil pressure switch
Reading Time: 1 minute
Technical product
Starters with different numbers of teeth
During searches for spare parts, starters with different numbers of teeth can be found on offer. What is the reason for this and what should be considered? Tips for the workshop
Reading Time: 1 minute
Technical product
Function of the alternator freewheel clutch explained
We explain the function and the structure of the alternator freewheel clutch and provide you with an insight into the advantages of the overrunning alternator pulley on the alternator
Reading Time: 1 minute
Technical product
Earth (31) - troubleshooting
The diagnostic process begins with the checking of the power supply. During this process, the connection (earth) to the body, engine or battery is not sufficiently taken into account
Reading Time: 2 minutes
Technical product
Installation of stop light switch with automatic adjuster
Here you can find step-by-step instructions for the replacing of stop light switches with automatic adjuster on Audi, Porsche, Seat, Skoda, VW.
Reading Time: 2 minutes
