Morning,

 

I have tried searching online but I am getting different results. Can someone please confirm the rear disc diameter on a 2004 VRS?

 

Some sites say 232mm however ECP and GFS are saying 230mm when I type the reg in.

 

Thanks in advance.

 

James

232mm according to Skoda, but I doubt the difference is meaningful.

LLLParts

Error in database, meaningless the difference as mentioned

Thanks for the replies.

 

Majority seem to say 232mm however the Brembo website says 230mm (picture below).

Saying that, would these fit:

https://www.gsfcarparts.com/za008650

Thanks

James

The PR Code matches, and the 2mm won't make any difference (assuming it's not a database typo)

1KP

Thanks for the help both

The OEM number is 2Q0 615 601 H

 

Seen here, many results are either 232 or 230 mm

https://www.autodoc.co.uk/car-parts/oem/2q0615601h

Some of the top brands such as ATE list the rear discs as 230x9mm, although it's shown as 232x9mm in the Skoda parts catalogue.

 

Some other brands such as Bosch list the rear discs as 232x9mm.

 

I would go with 230x9mm as that is probably the latest version. Perhaps they have skimmed 1mm off from the radius of the 232x9mm rear discs so that a lip doesn't form, which would make changing worn brake pads easier...and maybe less likely to cause brake vibration/noise, etc.

 

The best version of the 312x25mm 5/100 front discs is 310x25mm 5/100, so a similar thing has happened with those discs.

 

ATE don't even sell 312x25mm 5/100 front discs, although they probably did before they introduced the new and improved 310x25mm 5/100 version. They are still shown in the Skoda parts catalogue as 312x25mm.

 

In the link below, ATE shows the 312x25mm front brake discs on the Octavia MK1 VRS as 310x25mm, whereas Bosch shows them as 312x25mm. However, the minimum thickness of these ATE discs is 22mm, whereas the minimum thickness of these Bosch discs is 23mm. Therefore, you get 3mm of disc wear on these ATE discs before they need replacing, but only 2mm of disc wear on these Bosch discs before they need replacing. Hence these 310x25mm discs should last 50% longer than these 312x25mm discs, and are therefore 50% better as far as wear goes.

 

Octavia MK1 VRS front brake discs 312x25mm 5/100 8N0615301A

https://www.autodoc.co.uk/car-parts/oem/8n0615301a?search=OEN 8N0615301A&supplier[0]=3&supplier[1]=30

 

Edited 22 February, 20233 yr by Carlston

@CarlstonHe has a Fabia VRS, so not sure the information about Octavia VRS front brake applies?

24 minutes ago, varooom said:

@CarlstonHe has a Fabia VRS, so not sure the information about Octavia VRS front brake applies?

 

I answered about the Fabia MK1 VRS.

 

I mentioned the Octavia MK1 VRS because that also has a new and improved disc where 1mm was skimmed off from the radius, to presumably prevent a lip forming when the discs wear down.

 

It's to help the OP and others see the bigger picture.

 

It would be all too easy to incorrectly see the 2mm bigger outside diameter discs as superior to the smaller discs. However, the contact area of the smaller discs will be identical to the contact area of the bigger discs, ie. 230x9mm will be the same contact area as 232x9mm, and 310x25mm will be the same contact area as 312x25mm.

 

To underline that fact that the smaller discs are better, ATE only sell the smaller 230x9mm and 310x25mm discs.

 

ATE are possibly the best brake discs you can get. Notice that ATE's grooved discs look far more technologically advanced than Brembo's equivalent.

 

ATE PowerDisc 230x9mm 5/100 rear brake discs

 

 

Brembo Max Line 230x9mm 5/100 rear brake discs

Edited 22 February, 20233 yr by Carlston

I understand what you are trying to say, but was saying maybe you could have used a Fabia VRS Mk1 front disk example, where they have 288mm and 287mm choices.

17 minutes ago, varooom said:

I understand what you are trying to say, but was saying maybe you could have used a Fabia VRS Mk1 front disk example, where they have 288mm and 287mm choices.

 

ATE, TRW, Bosch and many other top brands are 288x25mm, so I prefer the 310/312 example.

 

Edited 22 February, 20233 yr by Carlston