Vehicle fitment for: Honda Civic 2001-2005 1.7 Acura MDX 2001-2005 3.5 Honda Pilot 2003-2005 3.5 Honda Ridgeline 2006-2008 3.5 More Part number: C1460 5c1451 E1012 E340 E420 52-1789 Ic520 30520-p8e-a00 30520-pgk-a01 30520-pvf-a01 30520-rdj-a01 Uf-307 Uf-400 Uf-512 Package included: 4 x Ignition Coil Please review the information above carefully to make sure this part fits your vehicle. Ignition coils produce the high voltage necessary to ignite the air/fuel mixture in the combustion chamber. When not replaced, vehicle could experience no or hard start, long crank time, misfire, and catalytic converter failure. Our ignition coils are light and easy to install with the highest quality copper. The unique winding design would reduce the size and weight without sacrificing the quality. Each coil is design for specific application, low-emissions, and high energy output. They will eliminate misfires and provide maximum voltage.