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Crawleyscobra
05-14-2020, 08:00 PM
I am using a CNC reservoir for my power steering.

Over the years the lid seal has swollen to the point that it does not seal.

Does anyone know where to get the seal?
shark92651
05-14-2020, 09:01 PM
CNC was discontinued about the time I needed one for my build. I went with a Jamar Performance triple reservoir, but I read somewhere that it is a "clone" of the CNC design. Perhaps the Jamar Performance replacement seals will work? What is the inside diameter of the CNC lid? This one fits 1 15/16" diameter lids.

https://www.kartek.com/parts/jamar-performance-replacement-round-rubber-gasket-for-their-5000-and-5000t-series-master-cylinders.html
CDXXVII
05-14-2020, 11:26 PM
I need a replacement CNC seal as well. Please keep us posted on what works.

I was also thinking about the Jamar seal but I have not had a chance to measure mine yet.
boat737
05-15-2020, 08:28 AM
I bought these about a year ago to keep as spares. I haven't used them, but they look like the exact part. https://www.kartek.com/parts/cnc-gasket-for-round-master-cylinders-for-cnc-master-cylinders-reservoirs.html

This place has other parts as well. https://www.kartek.com/search.html?Search=cnc%20reservoir
Crawleyscobra
05-15-2020, 08:46 AM
[QUOTE=boat737;411633]I bought these about a year ago to keep as spares. I haven't used them, but they look like the exact part. https://www.kartek.com/parts/cnc-gasket-for-round-master-cylinders-for-cnc-master-cylinders-reservoirs.html

Looks like exactly what I need.

If its not too much trouble, could you please verify that it fits. If it does, I going to order a couple.
boat737
05-15-2020, 12:48 PM
They look identical to me.
Avalanche325
05-15-2020, 03:19 PM
Maybe I should order a set of spares before they go away.

I did see a cap that said it fit CNC and Jamar. The Jamar seals look different, but they would likely fit.

Speaking of CNC. Here's a business tip. Don't choose a common term for the name of your company. Its a real pain searching for their stuff.
Crawleyscobra
05-17-2020, 09:32 AM
They look identical to me.

boat737,

Thanks, I appreciate your time and the info. I'm going to order some now.