Ignition Coil Pack Set of 4 Compatible with Toyota Echo/Prius/Prius C/Yaris 2000-2019, XA/XB 2004-2006, Replacement for C1304 UF316 5C1293 Item Description About this item Ignition Coil Packs: This ignition coil is compatible for XA/XB ( 2004-2006 ) for Toyota Echo/for Prius /for Prius C/for Yaris ( 2000-2019 ) vehicles, please use enter your vehicle in your Amazon Confirmed Fit above to see if this part is compatible with your vehicle. Engine Coil OE: UF316 9008019021, 9091902240, 9091902265 5C1293 C1304, please carefully compare these OE numbers with your original numbers before placing an order. The Function of the Coil: It acts as an induction coil, converting the vehicle's 12 volt voltage into thousands of volts, which are required to cross the spark plug gap and ignite the engine's air fuel mixture. It is a part of the vehicle's ignition system. And the coil that is compatible with the original factory is easy and fast to install. Symptoms of Coil Malfunction: If these phenomena occur in your vehicle: ? engine misfire, unstable idle, and power outage. ? Check that the engine indicator light is on. ? The car did not start. You should check if the coil has been replaced. HAOBEICHEN Coils: The car owners should have at least one set of spare ignition coils to prevent faulty coils from occurring after long-term driving. HAOBEICHEN coils provide a one-year maintenance period for all customers. If you encounter any quality, unsuitable or logistics issues, please feel free to contact us at any time. ? See more product details Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.