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  VW Parts Catalog > Engine Parts >

Alternator Fan Pulley, Upright Engines, 040-903-109
Alternator Fan Pulley, Upright Engines, 040-903-109


 
This OEM VW Alternator Fan-Pulley is factory equipment on VW Upright engines using Bosch AL82 Alternators, now you can use it too! The fan blades help pull additional cooling air through the alternator to keep it cool for a longer alternator life, especially if you have a high output 70 or 90A alternator. These are NOT used with generators, ONLY ALTERNATORS!

To PROPERLY adjust the belt, you absolutely must start with the belt too loose, and remove 1-2 shims at a time until the correct tension is achieved. If you remove too many, you'll wind up tightening the nut until the belt is "tight enough", but the 2 pulley halfs are not squeezed together, and as the engine rotates the pulleys wear one another out. Every rotation the outer pulley moves out at the top, then in at the bottom, out at the top, until they are ruined. By doing it the 1-2 shim way, when you get the right tension the pulley halfs are tight against the shims and one another, and this movement and wear do not occur.

Price: $49.95

PN: 040-903-109


Qty:
Product Overview
 
This OEM VW Alternator Fan-Pulley is factory equipment on VW Upright engines using Bosch AL82 Alternators, now you can use it too! The fan blades help pull additional cooling air through the alternator to keep it cool for a longer alternator life, especially if you have a high output 70 or 90A alternator. These are NOT used with generators, ONLY ALTERNATORS!

To PROPERLY adjust the belt, you absolutely must start with the belt too loose, and remove 1-2 shims at a time until the correct tension is achieved. If you remove too many, you'll wind up tightening the nut until the belt is "tight enough", but the 2 pulley halfs are not squeezed together, and as the engine rotates the pulleys wear one another out. Every rotation the outer pulley moves out at the top, then in at the bottom, out at the top, until they are ruined. By doing it the 1-2 shim way, when you get the right tension the pulley halfs are tight against the shims and one another, and this movement and wear do not occur.

Average Customer Review: 5 of 5 Total Reviews: 1 Add your review too!

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  0 of 0 people found the following review helpful:
 
Alternator fan pulley July 21, 2013
Reviewer: Ted from Montana  
Went on without a hitch.  The shims from my old standard alternator pulley were pretty tight but they fit.

Was this review helpful to you?

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