Performance Ignition Coils for Acura TL (1999-2008) 3.2L 3.5L

High-Output Performance Ignition Coils for 1999-2008 Acura TL (J-Series / UA4-UA7)

Engineered for the J-Series V6, this set of six performance ignition coils replaces degrading OEM units to restore spark intensity and eliminate misfires.

The Stock TL Ignition Coil Degradation

The factory ignition coils on the 1999-2008 Acura TL are notorious for thermal degradation. Positioned atop the J-Series cylinder heads, the OEM epoxy potting and primary windings are subjected to relentless heat soak. Over time, this sustained thermal cycling breaks down internal insulation, resulting in voltage leakage, weak spark delivery, and high-RPM misfires. This failure manifests as rough idling, poor fuel economy, and P0300-series trouble codes, restricting efficiency and throttle response under load.

The Engineering Solution

This upgraded six-pack of performance ignition coils mitigates the thermal shortcomings of the factory design. Built with superior thermal-resistant epoxy and high-grade copper windings, they maximize voltage transfer to ensure a hotter, consistent spark across the RPM band. Enhanced dielectric boots utilize high-temperature silicone to seal out moisture, preventing arcing to the spark plug tubes. By stabilizing voltage and resisting engine bay temperatures, these coils deliver complete combustion and eliminate spark blowout.

Technical Specifications

Compatibility

• 1999-2008 Acura TL 3.2L V6
• 2007-2008 Acura TL 3.5L V6 (Type-S)
• Cross-Reference Replacements: 921-2012, 5C1013, 5C1461, IC242SB, UF242T, 673-2310, 23-0401, 52-1627, 52-1791, C1221SPEC, EBC1476, 26C1007, CUF242, 2IGC0183

The Acura JDM Precision

Engineered for the demanding J-Series platform, these high-output ignition coils ensure your TL maintains its refined factory idle while delivering reliable power without triggering nuisance check engine lights.