UF543 Ignition Coil Replaces 12597745 12602862 GN10453 UF564 C1556-1 Pack

UF543 Ignition Coil Replaces 12597745 12602862 GN10453 UF564 C1556-1 Pack

• EXACT COMPATIBILITY & VEHICLE VERIFICATION - Please use Amazon's "Your Garage" tool to verify compatibility before ordering. This UF543 single (1-pack) ignition coil is an aftermarket replacement part custom-engineered to fit for Cadillac and Buick 4.4L Supercharged and 4.6L V8 engine platforms. Perfectly fits 2007-2011 DTS, 2007-2009 SRX, 2007-2010 STS, 2007-2009 XLR, and 2007-2011 Lucerne.
• TECHNICAL COMPATIBLE INTERCHANGE NUMBERS - Seamlessly replaces original equipment (OE) and factory part numbers: 12597745, 12602862, 12594176, 099700-0940, UF543, UF-543, UF564, GN10453, C1556, COP35, 6737301, 5C1616, D596A. Manufactured to strict factory engineering guidelines and resistance specifications for an effortless, 100% direct plug-and-play installation.
• SPECIALIZED DIELECTRIC RESIN & V8 COMPACT BAY HIGH-HEAT DEFENSE - Every HMJXF ignition coil is engineered with high-grade German copper windings and premium high-dielectric epoxy resin. Because large-displacement V8 engine bays generate extreme ambient thermal energy trapped beneath protective manifold shields, our reinforced heavy-duty inner core and boot deliver elite insulation defense against high-voltage leakage, thermal degradation, and structural micro-cracking.
• FIX FLAGSHIP V8 MISFIRES & SMOOTH ACCELERATION SHUDDER - Effectively eliminates common multi-cylinder ignition system aging and thermal breakdown symptoms on luxury performance platforms. Instantly resolves engine misfires under heavy throttle or passing speeds (P0300-P0308 fault codes), cold-start rough idling, vehicle shaking or shuddering during highway driving, and sudden acceleration hesitation. Restores factory-fresh smooth power output and permanently clears dashboard Check Engine Lights (CEL).
• 1-YEAR WARRANTY & DEPENDABLE SERVICE INSURANCE - Buy with absolute confidence. Since replacing ignition coils on tightly packed overhead-cam V8 engine layouts requires significant time and accurate labor, every HMJXF 1-pc ignition coil undergoes meticulous craftsmanship and 100% rigorous factory performance, high-load thermal endurance, and road simulation testing to prevent repetitive shop bills and unexpected downtime. Backed by our full 1-Year / 12-Month hassle-free warranty.