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Alternator amps

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darylrobert
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Year and Model: V70 240 740t xc70
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Post by darylrobert »

If anuone knows what the higher amp part numbers are, this is the two alts i have. I think they are the same units, check out the price difference from the same Australian sellers website.

0 124 525 029 Bosch 140amp (P2 190.8mm wide 56mm pulley)
0 124 525 529 Bosch 75-140amp (P2 190.8mm wide 56mm pulley) $756 Aud

0 124 525 521 Bosch 140amp (P2 191mm wide 55mm pulley) smaller pulley will run faster

0 124 625 024 Bosch 160amp (P2 R series 196mm wide 56mm pulley) $559 Aud

Below link is Bosch starters and alternators Volvo is page 29 but its for newer vehicles not our old..
https://www.boschaftermarket.com/xrm/me ... arters.pdf
Last edited by darylrobert on 17 Sep 2021, 02:56, edited 1 time in total.

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darylrobert
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Post by darylrobert »

Visited two australian websites and both are listing the larger R series 160amp alt for near $200 cheaper than the standard 140amp?...

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RickHaleParker  
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Post by RickHaleParker »

darylrobert wrote: 17 Sep 2021, 02:38 Visited two australian websites and both are listing the larger R series 160amp alt for near $200 cheaper than the standard 140amp?...
More of a demand for 140A because many people think the amperage and part numbers must be a match.
Lack of knowledge on how to select a substitute part.
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jking4020
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Post by jking4020 »

Volvos are fucking weird! I just got an 01 XC70 with a bad alternator. Swapped out my alternator from my old '02 XC70 and now the 01 works beautifully. Good Fortune to you.

Jonboy74
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Post by Jonboy74 »

SImple solution to find out what you need, assuming no modifications that require more current:

Call the dealership, given them your VIN, tell them you think you need a new alternator and ask them what part # and amperage are.

I did this, then promptly went to NAPA and bought a Bosch for a fraction of the dealership price and it came with a lifetime warranty.

Jonboy

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