ECOGARD XF54638 Engine Fuel Filter - Premium Replacement Fits Honda Civic, CRX COMPATIBILITY with 1987-1991 Honda Civic, 1988-1991 Honda CRX. PROTECT YOUR ENGINE against damage by preventing foreign particles from reaching the fuel injector or carburetor. Constructed with a multi-layered material that has optimum filtering efficiency. IMPROVE ENGINE PERFORMANCE with ECOGARD Fuel Filters. A clogged or dirty gas filter can result in difficulty starting, hesitation upon accelerating, decreased fuel economy, and rough idling. PRECISE INLET/OUTLET CONNECTIONS for trouble-free installation. SPECIFICALLY ENGINEERED AND TESTED for original equipment fuel filters fit, form, and function. Meets the requirements for maintaining new vehicle warranties. Replaces: FRAM G6534 Purolator F54638 WIX 33330 OE 16900-SH3-A30.