✓[Vehicle Fitment]: Compatible with [Buick] 2007-2011 Lucerne 4.6L, [Cadillac] 2007-2011 DTS, 2007-2010 STS 4.4/4.6L, 2007-2009 SRX 4.6L, XLR
✓[OEM Design]: Meets strict OE specifications for precise fit and performance, matching or exceeding the original factory part. Reference Number: 12597745, UF543, 5C1616, 6737301, GN10453, C1559, E1043, 42597745, 48720, C840, CLS1223, IC623SB, CUF543, 6737304, U5186, UF543T, 9202105, 19421260, CUF453, 191135, 5166, SKUF543, CG46, 1813917, NC, E1043P, 3312457019830457, 3312457019830456, 3312457019830455, 2IGC0380, 921X2105
✓[High-Quality Ignition Coils]: OEM replacement ignition coil | Ignites within 0.1–0.2 seconds | Resists corrosion at up to 140 °C | Provides RF interference protection | Offers a lifespan of 6500+ miles | Delivers high voltage output | Ensures smooth engine operation.
✓[High-Quality Spark Plugs]: Equipped with a premium iridium center electrode for exceptional durability (up to 3× longer life), stable engine idle, enhanced performance, improved fuel efficiency, and faster starts.
✓[Easy Installation]: PHILTOP Ignition Coil Packs and Spark Plugs Rigorous testing ensures maximum durability. Backed by 166+ years of expertise for simple, safe installation and reliable performance.
✓[Warm Tips]: Please enter your vehicle’s year, make, and model to verify fitment before purchasing.