Coolant hose kit for NA/NB

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From $78.99

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Refresh all your rubber!

Customize Coolant hose kit for NA/NB

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Core kit for 1994-97
Coolant hose kit for NA/NB

In stock



    Cracked coolant hoses are at best annoying and at worst can cost you an engine. Whenever someone contacts us because they just bought a used NA/NB Miata and they want to know what they should do first, the answer is usually "deal with all the maintenance!". 

    So we offer this package. Everything you need to refresh all your hoses and belts. And since you've got the cooling system drained, it's a good time to swap out the thermostat. No, it's not sexy stuff. But it makes the difference between a reliable car and one that might leave you stranded.

    All parts are top quality, with Mazda parts everywhere possible - the MSM lower radiator hose (no longer available from Mazda) and the FM lower radiator hose (custom fitment) are the only non-Mazda hoses.

    This "core kit" includes the following:

    • heater core inlet and outlet hoses
    • small coolant hoses attached to the thermostat housing/oil cooler/throttle body/air valve (varies by year)
    • rubber caps for vestigial nipples (1.6 only)

    More Information

    More Information
    Part number 09-39000
    Designed for model year: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004 (non-MSM), 2005 (non-MSM), 2004-05 MSM
    Fits Exocet? Yes
    California emissions Emissions legal in California
    Proposition 65 Warning: Cancer and reproductive harm
    Flyin' Miata exclusive Yes


    1. Great ala carte approach
      I've bought these for my NA and will now get more for my NB. I like the ala carte approach to get what you need. It's all quality OEM parts, priced reasonable, after comparison to Ebay and dealer options.

      Review by

      Posted on

    2. Lower radiator hoes and hot side boost hoes
      If you get the lower boost hoes and lower radiator hoes it doesn’t fit or work like they say it does lower boost hoes lays on the radiator hoes and you are not able to run the power steering or ac compressor. Would have been better or tiffing my hot side boost hoes

      Note from FM: you can definitely run power steering and AC with the lower boost hose and our lower radiator hose, although it's tight. 02miqta, please contact us.

      Review by

      Posted on

    3. Important Preventive Maintenance of Coolant/belt components
      I really like the ala carte method to build this kit for my 1993, 230K mile, NA6, which was also quickly delivered. It's not mentioned in the product details but the core kit includes 2 Coolant Sealing Caps, for the head and block. Both required me to google the locations, which were buried under the Camshaft Position Sensor and between the oil filter and alternator, respectively.

      Review by

      Posted on

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