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Hello,
for my own car, I remade the oil pan of the Alfa Montreal rear axis. The original oil pan consists of a cast magnesium alloy and is often very corroded.
I have measured the original pan and remade it on my CNC milling out of corrosion resistant aluminum.
The oil sump consists of two halts, which can be mounted with Loctite 574 or comparable sealing products.
On the upper rear side I have a mounting option provided, where you can install an oil temperature sending unit if you want.
You have just to drill a hole in strengthened marked point and put a matching thread for your sending unit in it.
The sump fits all diff housings (1300/1600/1750/2000/Montreal).
Weight of the original Mag sump: 1700 grams
Weight of my sump: 2050 grams
Much lighter than the remade casted sumps you can buy at some parts dealers.
The surface of my sump is shot peened(exept the sealing areas and inside).
I have two sumps left and will sell them for 360 Euros each.
Shipping to US is 36 Euros via DHL incl insurance.
Please send a PM for questions and other detailed pictures.
Thanks,
Karsten
 

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Yes, there is a small step of 2mm in the mating flange.
The complete wide of the sealing area is 4mm.
Karsten,

Im in Chicago and woudl like to buy one of your Montreal sumps. Do you have one to ship OR can you make me one please?

I can send the money to you via Paypal...I just need your confirmation as to when you can ship please.

Jon Purcell
760-315-7668
 

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What alloy did you machine from? If it is from an easily weldable aluminum alloy then that also may be an option to seal it now or latter if leaks develop.

FWIW

Ken
 

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Discussion Starter #7
Diff Sump

Sorry for the late reply, i was on holiday and don´t check my account.

The alloy I´ve used is AlMgSi05. So you can weld both parts together if you want.
There is one pan left, but I have many requests.
The shipping of the pan via DHL to the States takes ca. 3 weeks last time.
It´s possible to make some more and if anyone have a better idea for fixing them together, please pm. Also the alloy may be changed.
I will make a new CAD if there is a better way to make it seal.

Best regards,
Karsten
 
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