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[Bikerdon]

Hi, can anyone confirm the correct part number for the thermostat assembly for my 2001, Y plate Omega 2.6. I think it is 90502201 but just wanted to be sure first. Thanks.

[terry paget]

The one of my 2003 3.2 petrol saloon is 24420652, I have just changed mine and the old one is in my hand as I write. It's the number on the Autovox website for most of the V6 Omegas, but not on the one they sent me! . Theirs fitted all right and seems to work. Good luck with the B-bolt, and with getting the transfer pipe out of the old thermosat.

[05omegav6]

This part number is the correct one...

http://www.ebay.co.uk/itm/200914781107?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

 

Perfect fit, correct thickness, no nonsense.

[Bikerdon]

A new genuine transfer pipe is on its way to me now just to be prepared, so no worries there, B bolt might be fun, but I served my time as an engineer when I left school so can usually deal with most problems, I've always done all my own mechanical maintenance/repairs, etc myself including complete engine rebuilds on cars and motorcycles, so It shouldn't beat me. Strange how many different part numbers come up when searching for the stat housing.

[05omegav6]

Search the part numbers from here...

http://oemcats.com/

Then rummage around ebay.co.uk, ebay.de and ebay.com to locate the relevant part

Just to add, the likes of AutoVaux rarely sell genuine parts, regardless of their blurb

[Bikerdon]

thanks for the info on part numbers, the main difference appears to be the thickness of the base of the stat housing where the mounting bolts go through. Now, I really dont want to start stripping the car until I have all the parts, so its a bit awkward as I cant see any way of visually confirming which one is fitted just now without pulling it apart.

[05omegav6]

Someone else might be able to confirm, but I believe the DBW V6s have the thicker base

[Bikerdon]

Well mine is a Drive By Wire, so hopefully that might narrow it down. engine no in my service booklet is Y26SE-08565211 if that helps.

[allen25]

Hi, can anyone confirm the correct part number for the thermostat assembly for my 2001, Y plate Omega 2.6. I think it is 90502201 but just wanted to be sure first. Thanks.

I did the thermostat on my 2.6, 2001 earlier this year and used the dealer for parts (new seals too etc). The part number on the invoice is 90502201. The replacement unit was the same and fitted with no issues.

[Andy B]

....
I did the thermostat  .... earlier this year and used the dealer for parts (new seals too etc). ... The replacement unit was the same and fitted with no issues.

Likewise on my 3.0 MFL 

[Bikerdon]

Andy B and allen25, can you remember if the base of the stat where the bolts go through was the thick or thin type. Thanks bikerdon.

[05omegav6]

Hi, can anyone confirm the correct part number for the thermostat assembly for my 2001, Y plate Omega 2.6. I think it is 90502201 but just wanted to be sure first. Thanks.

I did the thermostat on my 2.6, 2001 earlier this year and used the dealer for parts (new seals too etc). The part number on the invoice is 90502201. The replacement unit was the same and fitted with no issues.

The key part being 'dealer supplied' the part number discrepancies may well be engine or chassis number related

The key thing being to identify the part number of what was fitted new to your car, and replacing accordingly

[Andy B]

Andy B and allen25, can you remember if the base of the stat where the bolts go through was the thick or thin type. Thanks bikerdon.

Having only done one 'stat I've nothing to compare it with ......  but I think it was around 1/4" thick

[allen25]

Andy B and allen25, can you remember if the base of the stat where the bolts go through was the thick or thin type. Thanks bikerdon.

I can't actually remember but I'm sure I used the same bolts to re-fit. As a guess though and please don't totally rely on it, the base was substantial and probably 5mm thick. If it is engine and chassis related it could be worth checking the part number with the Dealer before deciding where to purchase?

[Andy B]

....
..... but I'm sure I used the same bolts to re-fit.  ....

Same here