Joga
A2OC Donor
The alternator of my 2001 1.4 petrol (AUA) was starting to be noisy, with typical bearing noises.
So I started looking for a replacement alternator.
The alternator in the car was a Bosch 90A unit, with part no 037 903 025 F. As we will see the ending letter is important.
After searching Bosch litterature online
, I concluded that the Bosch part 0 124 325 003 would be the correct replacement, with the alternative 0 986 041 500.
I then searched online shops and found a brand new 0 986 041 500 alternator for under 200 Euro.
Deal.
But unfortunately when I received it it had an incorrect connector configuration. It was obvious that the two-pin connector would have clashed into the exhaust manifold.
So to save time (while communication with the online shop to refund me, which by the way is still ongoing six weeks later) I started looking into what other second hand alternators from the scrap yard I could use instead.
Original type 037 903 025 F alternators were scarce and those available were old and with many miles.
But 037 903 025 M alternators could more easily be found.
From my studies in advance and confirmed after getting my hand on a second hand M-version I concluded that the only difference is the pulley diameter.
While the F-version has a 56 mm pulley, the M-version has 50 mm pulley. But thankfully the pulleys are interchangeable, so an M-version can be modified to a F-version.
This is what I did.
The modified M-version is now mounted in my car (2001 Audi A2 1.4 petrol AUA) and all seems well.
So I started looking for a replacement alternator.
The alternator in the car was a Bosch 90A unit, with part no 037 903 025 F. As we will see the ending letter is important.
After searching Bosch litterature online
, I concluded that the Bosch part 0 124 325 003 would be the correct replacement, with the alternative 0 986 041 500.
I then searched online shops and found a brand new 0 986 041 500 alternator for under 200 Euro.
Deal.
But unfortunately when I received it it had an incorrect connector configuration. It was obvious that the two-pin connector would have clashed into the exhaust manifold.
So to save time (while communication with the online shop to refund me, which by the way is still ongoing six weeks later) I started looking into what other second hand alternators from the scrap yard I could use instead.
Original type 037 903 025 F alternators were scarce and those available were old and with many miles.
But 037 903 025 M alternators could more easily be found.
From my studies in advance and confirmed after getting my hand on a second hand M-version I concluded that the only difference is the pulley diameter.
While the F-version has a 56 mm pulley, the M-version has 50 mm pulley. But thankfully the pulleys are interchangeable, so an M-version can be modified to a F-version.
This is what I did.
The modified M-version is now mounted in my car (2001 Audi A2 1.4 petrol AUA) and all seems well.
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