OEM REPLACEMENT FUEL CAP: Direct replacement for OE # 17251-79961, 1:1 match original interface and size, no modification required. Perfectly replace worn or broken fuel tank caps for Nissan and Infiniti models, solve fitting and sealing issues at one time. PREMIUM MATERIAL & RELIABLE SEAL: Made of reinforced ABS plastic and high-density rubber ring, heat-resistant, cold-resistant and anti-aging. Provides a tight fuel tank seal to prevent fuel leakage, vapor emission and rainwater intrusion, improve fuel economy and driving safety. WIDE COMPATIBILITY WITH VEHICLES: Fit for Nissan Sentra 2000-2006, Frontier/Xterra 2001-2004, Pathfinder 2002-2004, Maxima 2002-2003, 350Z 2003; Infiniti G35 2003-2006, I35 2002-2004, QX4 2002-2003 fuel tank cap replacement. FIX CHECK ENGINE LIGHT & FAULTS: Effectively resolve common failures: loose or cracked gas cap, check engine light (CEL) on, fuel vapor smell, abnormal noise and poor sealing. Keep fuel system stable and avoid unnecessary repair costs. TOOL-FREE QUICK INSTALLATION: 100% brand new fuel tank cap, plug-and-play. Remove old cap, install new gas cap and twist until you hear a clear "CLICK" to confirm tight seal. Finish installation in seconds without any tools. 🚘We have a high-quality, high-reliability, easy-to-install Gas Cap Fuel Cap, which can save you time and money without spending a lot of time to the local auto repair shop, thus solve the problem of fuel tank cap failure! 🚘100% brand new, please carefully verify your year, model in the product details or check your parts pictures, parts No. with ours before purchasing so as to prevent wrong purchasement and unnecessary expenses. For details, please confirm your vehicle information in the compatibility section and the description below. Compatible with Nissan Vehicles: 2000-2006 Nissan Sentra 2001-2004 Nissan Frontier 2002-2004 Nissan Pathfinder 2001-2004 Nissan Xterra 2002-2003 Nissan Maxima 2003 Nissan 350Z Compatible with Infiniti Vehicles: 2003-2006 Infiniti G35 2002-2004 Infiniti I35 2002-2003 Infiniti QX4 Replace/OEM Part Number(s):17251-79961 1725179961 fuel gas cap.