Passanger Rear Caliper Seized - help buying new one

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ad_182_uk
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Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 12:47 pm

Hello,

My 56 plate 9N3 Polo gti's passanger side rear caliper has seized and i need a new one. There seems to be either a 34mm or 38mm piston option? Can somebody link me to / advise the correct type? I understand it may not be painted red if not bought at VW's prices but that is fine i can paint it myself.

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Re: Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 1:06 pm

seems it could be something to do with a PR number as well? Are the 9n3 GTi's all PR 1KV ?

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Re: Passanger Rear Caliper Seized - help buying new one

Post by iichel » Mon Jan 14, 2019 1:57 pm

The PR is 1KV and the part number for the GTI left hand side rear caliper is 6Q0615423B. The non-red has PR 1KK. I'm not sure they are interchangeable.

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Re: Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 2:16 pm

so 34mm piston?

if theres a non red caliper with a PR of 1KV would that still fit?

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Re: Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 2:20 pm


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Re: Passanger Rear Caliper Seized - help buying new one

Post by RUM4MO » Mon Jan 14, 2019 2:55 pm

I'm not sure where/why/when the piston diameter changed, so with a car at this age, why not get both sides refurbished instead of buying maybe a wrong one and having to replace the other side soon?

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Re: Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 2:55 pm

whats the difference between 6Q0615423B and 6Q0615423A

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Re: Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 3:48 pm

RUM4MO wrote:
Mon Jan 14, 2019 2:55 pm
I'm not sure where/why/when the piston diameter changed, so with a car at this age, why not get both sides refurbished instead of buying maybe a wrong one and having to replace the other side soon?
i just had new discs and pads at the rear and there was no issue with the drivers side caliper so no need to replace / refurb. Just need a replacement passanger side as there only about £40-50. I'm a 56 plate...

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Re: Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 4:29 pm

After contacting VW they only have 1 part number for the 9n3 GTI and it was 6Q0615423B at £190

So i went on the usual well known online auction site and found a 6Q0615423A for £32

My assumption being the 'B' part indicates the red colour.

Having looked at images and specs elsewhere im pretty certain i have the right part (all be it in silver not red, but i can sort that)

so it was 34mm piston not 38mm.

hopefully this proves useful to people in the future.

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Re: Passanger Rear Caliper Seized - help buying new one

Post by RUM4MO » Mon Jan 14, 2019 7:34 pm

Are you sure that the "A" and "B" are not LHS and RHS - just a thought, unless you know otherwise.

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Re: Passanger Rear Caliper Seized - help buying new one

Post by ad_182_uk » Mon Jan 14, 2019 8:16 pm

If you google both part numbers it comes up LHS for both. So fingers cross ny assumptions correct lol

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Re: Passanger Rear Caliper Seized - help buying new one

Post by iichel » Mon Jan 14, 2019 10:56 pm

Left hand side parts usually have uneven numbers while the right hand side parts usually have the even numbers. A/B/C can indicate a different variety (colour, size, position, shape or newer/more luxurious version).

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