Starters with different numbers of teeth

Data sheet
Spare partStarter
Please noteDifferent number of teeth

Important safety note Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only.

Different number of teeth on the starter

In everyday workshop life, it is quite likely that, during research for spare parts for a particular vehicle, starters are on offer in different versions with varying amounts of teeth.

 

This may be due to the fact that components are available from several suppliers within the original equipment sector or it is a result of subsequent product revisions by the spare parts suppliers.

 

The decisive factor here is not the actual number of teeth, but the shift of the distance between the starter pinion and the ring gear on the vehicle. Depending on the starter pinion, the pinion shaft shifts higher or lower in relation to the starter ring gear. 

 

The difference only becomes visible by looking at the bearing bell. 

 

So if the objective is to replace a starter with 11 teeth with one featuring 12, the pinion shaft is moved further away from the ring gear. The point of contact of both pinions, starter and ring gear remains identical despite the different number of teeth.

 

This means that if a starter with a different number of teeth is supplied as a replacement , it can be installed without any issues – provided the vehicle has been correctly assigned. 


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Reprinting, distribution, reproduction, exploitation in any form or disclosure of the contents of this document, even in part, is prohibited without our express, written approval; indication of the document source is also required. The schematic illustrations, pictures and descriptions serve only for the purposes of explanation and representation of the instructions and cannot be used as a basis for installation or assembly work. All rights reserved.

Important safety notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.

The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The schematic illustrations, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.

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