Coolant Gauge Adapter Large

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Large Coolant Gauge Adapter. Specifically designed for Spec Miata's, this radiator hose adapter will work for any car with a 1-1/8" hose. This adapter features a 1/8" NPT port for electric senders on one side and a 1/2" NPT port for mechanical gauges on the other side. Plugs for both ports are included. (page 72 in Spec Miata Construction Manual) Show more