miata fuel cover | eBay Find great deals on eBay for miata fuel cover. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword Mazda MX-5 Miata Fuel Filter Cover Splash Shield 1990-1997. Pre-Owned. $19. FAST 'N FREE. Buy It Now. Guaranteed by Tue, Jul. 16. Changing the Fuel Filter - Miata If you wrap a rag around the filter line when twisting the first fuel line loose, the tiny spurt of fuel will be absorbed by the rag. Crawling under the passenger side rear bumper, locate the fuel filter cover. The cover is held in place by 4 or 5 plastic type screw clamps.