BYD Fuel Filter BYD8121003-A – BYD F0 (371QA engine, 2010–2015); may cross-fit small ICE models like F3 delivers fine-micron defense against rust, dust, and tank residue while preserving low pressure drop for smooth starts and steady cruising. OE-accurate ports and seals create a reliable, leak-free connection that resists vibration in compact engine bays. A corrosion-resistant shell and robust endcaps enhance durability across heat cycles and seasonal fuels. Built for quick, consistent servicing, it helps prevent hesitation and premature pump wear. Confirm cross-fitment by VIN or housing code, then replace per interval to protect injectors, maintain mileage, and keep your BYD F0 nimble, efficient, and dependable.