SKP SKUF543 Ignition Coil

Ignition Coil for OE-Style Replacement

The SKP SKUF543 ignition coil is built for direct-fit replacement on select GM luxury vehicles. It is engineered to meet or exceed OE specifications, helping restore dependable spark delivery, smooth engine operation, and consistent starting performance.

• Direct-fit ignition coil for select applications
• Built with premium materials for durability
• OE-style fit and function for straightforward replacement
• Supports reliable starts and stable engine performance
• Helps maintain fuel efficiency when replacing a worn coil

Vehicle Fitment

• Fits 2007-2011 Buick Lucerne, N/A
• Fits 2007-2011 Cadillac DTS, N/A
• Fits 2007-2010 Cadillac STS, N/A
• Fits 2007-2009 Cadillac SRX, N/A
• Fits 2007-2009 Cadillac XLR, N/A

This part cross-references Monroe Shocks & Struts (e.g., 5C1616, UF543) for the same application.

What It Helps Address

• Hard starting caused by a weak or failing ignition coil
• Misfires and rough idle from inconsistent spark output
• Loss of engine smoothness under load or acceleration
• Reduced fuel economy related to ignition performance issues
• Check engine light conditions tied to coil failure

Installation Notes and Tips

Verify the part number SKUF543 against the original coil before installation. Confirm the vehicle application by year, make, and model, including the listed N/A position, and inspect related ignition components such as spark plugs and connectors during replacement.

Quality Assurance

SKP ignition coils are manufactured to meet or exceed OE specifications and use premium materials for dependable service life. The SKUF543 is intended as a precise replacement for select Buick and Cadillac applications, including Buick Lucerne, Cadillac DTS, Cadillac STS, Cadillac SRX, and Cadillac XLR models within the listed years.