Ignition Coil + Spark Plugs for Saturn Relay (2006-2007) 3.9L

Direct-Replacement Ignition Service Kit for 2006-2007 Saturn Relay (U-Body)

What it Does: The Ignition Coil and Spark Plug Kit restores complete secondary ignition delivery on the 2006-2007 Relay to eliminate cylinder misfires, smooth idle stability, and restore factory combustion efficiency.

The Stock Saturn Relay Thermal Degradation

The single multi-tower ignition pack on the transverse GM LZ9 3.9L engine is mounted adjacent to the rear cylinder head and exhaust manifold. Over prolonged thermal cycling, the internal epoxy encapsulation develops microscopic fractures that lead to dielectric breakdown, secondary voltage bleed, and carbon tracking along the terminal towers. As factory spark plug gaps widen with service wear, the increased strike resistance places higher electrical strain on the coil pack, precipitating intermittent P0300 misfire codes, sluggish throttle tip-in, and raw fuel loading in the exhaust catalysts.

The Engineering Solution

This complete ignition kit resolves ignition circuit decay by replacing the primary failure points in a single service cycle. The direct-fit UF434 specification coil pack features high-temperature dielectric epoxy encapsulation to resist thermal degradation and internal shorting. Paired with silicone-jacketed, low-resistance suppression wires, voltage loss is minimized across the run to all six cylinders. Included platinum-tipped spark plugs maintain consistent electrode gap clearances under extreme thermal pressures, lowering required arc voltage and ensuring reliable flame-front propagation.

What's Included

• 1 Ignition Coil Pack
• 6 Spark Plug Wires
• 6 Platinum Spark Plugs

Technical Specifications

Compatibility

• 2006 Saturn Relay 3.9L V6
• 2007 Saturn Relay 3.9L V6

Frequently Asked Questions & Fitment Warnings

Does this fit the U-Body Relay?

Yes, this is a direct fit for the 2006-2007 Saturn Relay equipped with the 3.9L LZ9 engine; it is not compatible with earlier 3.5L V6 engines or universal ignition applications.

Should the ignition coils, wires, and spark plugs be replaced at the same time?

Yes, installing fresh plugs, wires, and coils simultaneously prevents worn plugs from creating excessive secondary circuit resistance that can damage the new coil pack.

The Saturn Relay Utility Caliber

Engineered to handle sustained passenger hauling and highway grades, these components adhere strictly to factory impedance and dwell parameters to restore balanced, dependable engine operation.