Radiator Cap Sub-Assembly Compatible with Mitsubishi Toyota Lexus 4Runner FJ Cruiser Tacoma GX470 IS250 IS350 GS350 GS450h etc Models Replaces OE# 16401-31650 1640131520 1640131480

Product Details:Compatible with Toyota:2003-2009 4Runner 4.0L V62010 4Runner 2.7L L42007-2011 FJ Cruiser2005-2011 TacomaCompatible with Lexus:2006 GS3002007-2011 GS3502007 GS4302007-2011 GS450h2010-2011 GX4602003-2009 GX4702006-2012 IS2502006-2012 IS350Replaces OE Part Numbers16401-31650, 1640131650, 1640131520, 1640131480

• Fit Models: This high-quality radiator cap replaces OE #16401-31650 (1640131650) and fits multiple Toyota & Lexus vehicles, including 4Runner (2003-2010), Tacoma (2005-2011), FJ Cruiser (2007-2011), Lexus GX470 (2003-2009), IS250/IS350 (2006-2012), GS350/GS450h (2007-2011)
• Prevents Overheating: Engineered to maintain proper radiator pressure, this cap prevents coolant from boiling and leaking. A failing cap can cause overheating, low coolant levels, or leaks—replace yours to keep your engine running smoothly
• OE-Style Construction: Made with premium materials to match or exceed OEM standards, this radiator cap ensures long-lasting durability. It works flawlessly with open cooling systems and overflow reservoirs, providing reliable performance under pressure
• Easy Installation: Simply remove your old cap (once the engine is cool) and screw this replacement into place—no tools required! A secure fit guarantees immediate protection against air intrusion and coolant evaporation
• Verify Compatibility: Double-check your vehicle year, model, and part number (16401-31650 or 1640131650) to ensure the perfect fit. This is an aftermarket replacement part designed for seamless integration with your Toyota or Lexus cooling system