Ignition Coil + Spark Plugs for Acura TL CL (1999-2003) 3.2L

Direct-Fit Ignition Coil and Denso Spark Plug Tune-Up Kit for 1999-2003 Acura TL, CL (UA5/YA4)

What it Does: The ignition coil and Denso Platinum TT spark plug kit restores factory spark energy across all cylinders on the 1999-2003 Acura TL and CL to eliminate misfires, stabilize idle, and maximize combustion efficiency.

The Stock Acura TL,CL Thermal Coil Breakdown

Factory coil packs on the transverse-mounted J32A1 and J32A2 engines suffer from extreme thermal cycling, especially on the rear cylinder bank near the firewall. Over time, radiant exhaust heat degrades the internal secondary windings and dries out the silicone boots. This leads to dielectric insulation breakdown, micro-arcing, and spark blowout under load. Simultaneously, factory spark plug ground electrodes erode, widening the gap and forcing deteriorating coils to pull excess primary amperage until complete failure triggers recurring P0300 through P0306 DTC misfire codes.

The Engineering Solution

This refresh kit replaces worn coil-on-plug modules with high-temp epoxy-potted ignition coils paired with pre-gapped Denso Platinum TT spark plugs (PKH16TT). The replacement coils feature reinforced copper primary and secondary windings encased in heat-resistant thermoplastic housings that resist thermal fatigue and secondary voltage leakage. Denso's twin-tip platinum design utilizes a thin center electrode with a titanium-enhanced platinum ground pad, concentrating spark energy to reduce quenching and ensure rapid flame kernel propagation across the entire VTEC operating band.

What's Included

• 6 Ignition Coils
• 6 Denso Platinum TT Spark Plugs (PKH16TT)

Technical Specifications

Compatibility

• 1999-2003 Acura TL 3.2L (Base, Type-S)
• 2001-2003 Acura CL 3.2L (Base, Type-S)

Frequently Asked Questions & Fitment Warnings

Does this fit the UA5 / YA4 TL,CL?

Yes, this is a direct fit for the 1999-2003 Acura TL and 2001-2003 Acura CL equipped with the 3.2L J32A1 or J32A2 engine; it is not a universal kit and does not fit 4-cylinder or 3.5L models.

Should I replace all coils and spark plugs simultaneously?

Yes, replacing all six coils and plugs together ensures balanced primary resistance, equal spark duration across both cylinder banks, and prevents cascading misfires caused by mismatched aged components.

The Acura Caliber

Engineered to meet the precise demands of Acura's high-revving J-series V6, this direct replacement ignition kit ensures crisp throttle response, uniform idle stability, and uncompromising top-end power delivery through every gear shift.