Set of 8 ISA Ignition Coils Compatible with 2007-2009 Cadillac DTS SRX STS XLR 2008-2010 Buick Lucerne V8 4.6L 4.4L Replacement for UF543

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: 2007, 2011 Buick Lucerne 4.6L V8 VIN:Y 2008-2010 Buick Lucerne 4.6L V8 VIN:9,Y 2007-2010 Cadillac DTS 4.6L V8 VIN:9,Y 2011 Cadillac DTS 4.6L V8 VIN:Y 2007-2009 Cadillac SRX 4.6L V8 VIN:A 2007-2009 Cadillac STS 4.6L V8 VIN:A 2007-2009 Cadillac STS 4.4L V8 Supercharged VIN:D 2007-2010 Cadillac STS 4.6L V8 2007-2009 Cadillac XLR 4.6L V8 VIN:A 2007-2009 Cadillac XLR 4.4L V8 Supercharged VIN:D Part number: ‎‎‎‎‎‎099700-0940 12594176 12597745 12602862, D598A, 5C1616, E1043, 52-1857, IC623, 12597745, UF-543, C1559 Shipping/Return/Warranty Free 2-day shipping (for most items) Free 30-day return (from date of delivery) 1 year warranty