New factory Mazda OEM engine coolant water thermostat housing bolt or nut for NB Mazda Miata. This is one of the either the bolt or the nut that attach the thermostat housing to the coolant water neck. Part numbers 9979-40-825 (bolt) or 9994-00-801 (nut). Fits 1999-2005. Sold individually as either one bolt or one nut. Please choose between bolt or nut.
California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov
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