Good-Win Racing Mazda Performance Parts

NC Aluminum Coolant Expansion Tank

2006-2015

Miata MX5 2006-2015 · Engine-Conversions


Part Number: 61-2037C

Application: 2006-2015

Reg. Price: $270.00

Sale Price: $219.00

Quantity:

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NC Aluminum Coolant Expansion Tank
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Direct replacement for your factory plastic coolant expansion tank. Made in the USA, all aluminum with beatiful TIG welding. Constructed with internal baffles and a machined aluminum neck that takes a factory cap. All of the inlets and outlets are positioned to match up with the factory hoses. The tank mounts to the same location as the factory tank and is built with the same dimensions for an easy fit. Includes view window on the side to check fluid level.

As these cars age, the factory plastic tank is a common failure point because the plastic gets brittle and cracks. Unlike the earlier cars where that just meant a leak, the NC relies on this tank to be a pressurized part of the cooling system, which means that as soon as a crack forms the system loses pressure and the engine overheats. We've had more and more people bring in cars with blown motors due to this simple failure, and along with a new expansion tank now they need a new motor as well, so we decided it was time for a "lifetime" solution. This tank is the solution. It will not fail over time like the factory tank, and looks great as well!

Installation NOTES:
While the factory squeeze-clamps on the hoses can be re-used, they get weaker the more they are removed/installed and having a tight seal on all the hoses is important since this tank is pressurized. We recommend changing the squeeze clamps out for worm drive hose clamps which can be found at any auto parts store.

Great write-up of the install process over on the Revlimiter blog:andnbsp;

http://revlimiter.net/blog/2017/02/goodwinmoroso-nc-coolant-expansion-tank/

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REVIEWS

First I want to again thank you for working with me on this muffler. I have almost 100 miles on it now, and it has a nice mellow sound. a little Bass, but not too much. A little louder than stock, but not too loud. Plus it is nice inside the car with the top up. I am happy so far I bought this one.

I belong to a local Miata club, and am very active with it. When Spring comes I will tell everyone how much I like the muffler, and how great you are to work with. Maybe I can get some extra business for you.

-- Bill

I have to say that your website is one of the cleanest, most functional and easy to use. There are a lot of independent part sellers that have horrible websites and it was a joy to use yours and even explore the customer car gallery and the good win build page. Thank you for a great experience.

-- Matt C.

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