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Expansion Tank by DaveFab

From $229.99
Part #
As Configured
Replace the original plastic tank with this durable aluminum expansion tank. Resilient to the effects of heat and usual wear and tear, this expansion tank fabricated from laser-cut, CNC folded aluminum sheet will last a long time and clean up the look of your engine bay! Available in the signature satin-texture black, it is totally compatible with your NA and NB, and can be easily installed on factory mounting points. It utilizes the original hose. Mounting hardware included.


  • Full TIG welded construction
  • Large diameter filler neck with high quality black anodized cap
  • Glass sight gauge to check coolant level

Moss Has You Covered

  • All products we sell are warrantied against defects in material and workmanship by the original equipment manufacturer or Moss Motors, Ltd., for 12 months from the date of shipment.
  • We will replace the product or refund your purchase price at our discretion.
  • The warranty does not cover labor, failure of a related component, failure resulting from faulty installation, nor would the liability of Moss Motors exceed the cost of the original component.
  • Warranty requests should be submitted to our sales department and must be supported by the original Moss Motors purchase invoice and documentation of the failure.
  • Many of the brands we carry have their own warranty terms that have you covered outside of our 12 month protection.
Make: Mazda Model: MX-5 Miata Series: NA, NB Year: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005