The Kenworth W990 Fuel Tank Caps product lineup includes a variety of replacement fuel caps and anti-siphon kits designed to fit Kenworth semi-trucks. These products help ensure a secure and leak-proof fuel system, which is essential for reliable performance and preventing fuel theft. Key features include: - Vented and non-vented fuel cap options in various sizes (2", 3.5", and 4") to accommodate different tank configurations - Leak-proof designs with rubber gaskets and anti-siphon features to prevent fuel loss and unauthorized access - Chrome, plastic, and brass finishes to complement the truck's appearance - Easy installation with standard thread patterns (11.5 TPI) for a seamless fit - Durable, high-quality construction to withstand the demands of on-road use These fuel tank caps are a critical component for Kenworth owners who want to maintain the integrity and security of their vehicle's fuel system. Whether replacing a worn or damaged cap or upgrading to a more secure option, this product lineup provides the necessary parts and accessories to keep your Kenworth running safely and efficiently.