Please check notes in each part listing to ensure the Rear Window Defroster Relay is correct for your 2006 MAZDA MX-5 MIATA with a 2.0L engine. AIRTEX / WELLS & STANDARD MOTOR PRODUCTS are competing brands, and each brand's Rear Window Defroster Relay may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Rear Window Defroster Relay fits only certain 2006 MAZDA MX-5 MIATA models.
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