fuel filter adapter | eBay www›Search›fuel filter adapterFind great deals on eBay for fuel filter adapter. Shop with confidence. Skip to main content. eBay Logo: Sinister SD-CAT-DMAX CAT Fuel Filter Adaptor for 01-12 Chevy/GMC 2500/3500 See more like this. Fuel Filter Kit Adapter for GM Duramax Chevrolet GMC gm fuel line adapter | eBay www›Search›gm fuel line adapter3/8" GM Fuel Line Adapter Mastercool 71406 MSC See more like this. SPONSORED. AN -6 AN6 Fuel Adapter Fitting to 3/8" Rail line GM Quick Connect Clip Female B. Brand New. And R Auto Parts 38180 180 Degree GM Fuel Filter Line Adapter (1) Brand New. $11. List price: Previous Price $12. or Best Offer +$2 shipping. 6% off.