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Balmar 48-PSP-410-A Pulley Kit for Perkins 4107, 4108
Serpentine Pulley Conversion Kit for Perkins 4107, 4108

Balmar 48-PSP-410-A Pulley Kit for Perkins 4107, 4108

On sale $759.00 $679.00
Balmar Altmount Serpentine pulley kit permits mounting a much larger alternator in lieu of the standard model - for Perkins 4107 and 4108 engines.
p/n: 48-PSP-410-A
Availability: In stock

These Altmount Kits by Balmar offer the opportunity to install a larger alternator than would otherwise be possible. They are designed to fit select engine models, the list expands every day so if you don't see your engine listed do give us a call. This kit is the 48-PSP-410-A and is for the Perkins 4107 and 4108 Marine Diesels.  

Alternator upgrades using a single drive belt are limited by the amount of power that can be transferred by the belt but using a serpentine belt considerably increases the possibilities. The kits include a set of serpentine pulleys to go over the crankshaft and water pump pulley and replace the alternator pulleys and come with a matching serpentine belt. They are sold for specific engine models only. The alternators need to be purchased separately. If you order an alternator with a kit it will come with the appropriate pulley pre-installed. Installation is relatively easy. The kit comes with two 40"  K6  belts but purchasing an additional spare belt is recommended.  This kit requires an alternator with a K6 pulley

Read my BLOG POST about installing one of these kits.

Installation notes are on the blog post

My blog post has installation notes for this serpentine kit.


This kit is designed for use with a Balmar alternator.  It may be possible to use it with another alternator that has a 17mm shaft diameter, but the fit is not guaranteed.  If you choose to go that route you are on your own. 

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