Ignition Coils are engineered for original equipment and replacement applications; Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability Designed and manufactured to operate reliably under all operating conditions and throughout the entire engine speed range for peak engine performance Reduces common ignition coil issues such as; no/hard start, long crank time, misfires, lack of power, inconsistent transmission shifts, spark plug fouling, premature catalytic converter failure, poor fuel economy, check engine light illumination Products are designed to meet or exceed OE specifications in form, fit and function Ignition Coil Set Compatible with Chevrolet 1999 Tracker 2.0L L4, 2000 Tracker 2.0L L4, 2001 Tracker 2.0L L4, 2002 Tracker 2.0L L4, 2003 Tracker 2.0L L4, 2004 Tracker 2.0L L4. Coil Pack Set Compatible with Suzuki 2002 Aerio 2.0L L4, 2003 Aerio 2.0L L4, 2004 Aerio 2.3L L4, 2005 Aerio 2.3L L4, 2006 Aerio 2.3L L4, 2007 Aerio 2.3L L4, 1999 Esteem 1.8L L4, 2000 Esteem 1.8L L4, 2001 Esteem 1.8L L4, 2002 Esteem 1.8L L4, 1998 Sidekick 1.8L L4, 1999 Vitara 2.0L L4, 2000 Vitara 2.0L L4, 2001 Vitara 2.0L L4, 2002 Vitara 2.0L L4, 2003 Vitara 2.0L L4