Kia and Hyundai owners, if you're seeing that check engine light or getting a 'loose gas cap' warning, this replacement fuel cap is your easy fix! Part number 31010-3L600U fits a ton of models - we're talking Kia Optima, Forte, Sorento, Soul from 2005-2019, and Hyundai Elantra, Sonata, Santa Fe, Tucson from 2004-2019. The ABS plastic construction with proper sealing creates that tight seal your fuel system needs to prevent evaporation and maintain proper pressure. Installation is literally a 10-second job - just remove your old cap and click this one into place. No tools, no mechanics, no trip to the dealership required. The swivel mount design makes it easy to tighten properly every time. A faulty gas cap can actually cause decreased fuel efficiency and trigger your check engine light, so replacing an old, worn-out cap is one of the cheapest maintenance items you can do. The build quality feels solid - not like those flimsy generic caps that break after a few months. Before ordering, just double-check your old cap's part number or compare it to the pictures to ensure compatibility. Keeping your fuel system properly sealed saves you money on gas and prevents those annoying dashboard warnings. It's one of those simple car maintenance items that most people overlook until they get that check engine light. Save yourself the diagnostic fee at the mechanic and try this $15 fix first - it solves the problem most of the time!
Free 30-day returns 
Free 30-day returns
