Set of 3 ISA Heavy Duty Ignition Coils and 6 Spark Plugs Compatible with 2000-2002 Buick Century Limited Sedan 4-Door 3.1L Replacement for DR39

ISA Ignition Coils are designed with superior quality materials using only the highest grade material such as durable copper wire with OE manufacturer durability. ISA Ignition Coils are durable and reliable under extreme conditions and heavy load while providing quality electrical output, anti-corrosion, and abrasion tested resistance. Tested in real situations to perform with reliability and peace of mind. ISA's engineers have developed new technology to reduce common ignition issues such as: no start/hard start, crack failure, misfires, low power, inconsistent transmission shifts, spark plug fouling, premature catalytic converter failure, and other issues like poor fuel economy. ISA Ignition Coils are made to operate reliably under all conditions and throughout the entire engine speed range for peak engine performance. Compatible with: 2000-2003 Buick Century 3.1L 2002-2003 Buick Rendezvous 3.4L 2000-2003 Chevrolet Impala 3.4L 2000-2001 Chevrolet Lumina 3.1L 2000-2003 Chevrolet Malibu 3.1L 2000-2003 Chevrolet Monte Carlo 3.4L 2000-2003 Chevrolet Venture 3.4L 2000-2003 Oldsmobile Alero 3.4L 2000-2003 Oldsmobile Silhouette 3.4L 2001-2003 Pontiac Aztek 3.4L 2000-2003 Pontiac Grand Am 3.4L 2000-2003 Pontiac Grand Prix 3.1L 2000-2003 Pontiac Montana 3.4L Part number: C849, DR39, DR-39, 5C1058, E530C, D555, NGK 3951 Shipping/Return/Warranty Free 2-day shipping (for most items) Free 30-day return (from date of delivery) 1 year warranty