Good-Win Racing Mazda Performance Parts

NC Aluminum Coolant Expansion Tank

2006-2015

Miata MX5 2006-2015 · Engine


Part Number: 61-2037B

Application: 2006-2015

Reg. Price: $270.00

Sale Price: $219.00

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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 coolant level.

NEW optional satin black powdercoated finish offers a more subtle option than the bare aluminum. The satin black is a low-gloss finish that looks right at home in the NC engine bay, unlike a wrinkle or high gloss black that matches nothing around it. Some other examples of powdercoated tanks done by individuals or other shops make the mistake of coating the nipples where hoses and cap attach. That is a no-no! This premium powdercoating is done at the factory the correct way with all critical areas properly masked so that you get a great looking finish without compromises.

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!

Install Tips. If the tank is old and cracked, likely the hoses are old and cracked too, good idea to update both at the same time for best results. Track customers may want to upgrade to screw clamps instead of the old stock host clamps. #4 worm clamp (x2) for the top two nipples, #10 worm clamp (x1) for the bottom.

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

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

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REVIEWS

Hello Brian, the swaybar and endlinks came in today. I am very pleased with the packaging and it arrived on time. Also thank you for excellent customer service and correcting my order no-hassle. I will definitely be ordering from Good-Win Racing again.

-- - Christopher

Brian, just wanted tyou to know you've got another highly satisfied customer. I got my RoadstersportIII muffler on Friday, installed it in 20 minutes, looks and sounds awesome. I like the baffles out!! My new tires/wheels came Saturday, just got them on and test drove them. Fantastic!! And how they look--- just what I was after. I will add the front "mud flap" that looks like the rear one, for some stone protection, but the offset was just what I was working for. I'd love to send you some pictures for your photo gallery. If you'll send an adress via e-mail, I'll send some high-res photos showing clearances and side profiles, etc. The graphite spokes and polished rims really set well on my black car. Thanks again, me and my wallet will be back!!

-- Ken

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