Ignition Coil + Spark Plugs for Buick Rendezvous (2006-2007) 3.5L

Direct-Replacement Ignition Coil and Platinum Spark Plug Tune-Up Kit for 2006-2007 Buick Rendezvous (GMT199)

What it Does: The ignition coil and platinum spark plug kit restores proper secondary ignition voltage and consistent spark delivery on the 2006-2007 Buick Rendezvous to eliminate misfires, stabilize idle, and recover lost fuel economy.

The Stock Buick Rendezvous Ignition Degradation

The factory waste-spark ignition pack on the GMT199 platform operates in high ambient thermal environments near the rear cylinder bank of the transverse LX9 engine. Over thousands of heat cycles, OEM epoxy insulation hardens and develops microscopic dielectric breakdown fissures. This internal tracking allows high-voltage flashover under load, leading to unburned hydrocarbons, catalyst damage, and intermittent P0300 through P0306 DTCs. Simultaneously, factory spark plug electrode gap widening increases secondary electrical resistance, overstressing the primary windings and accelerating primary coil module saturation failure.

The Engineering Solution

This replacement system pairs a high-output, heat-resistant multi-tower ignition coil pack with erosion-resistant platinum-tipped spark plugs. The coil pack housing uses reinforced PBT (polybutylene terephthalate) thermoplastic with vacuum-potted epoxy shielding to isolate internal copper windings against thermal shock and moisture intrusion. Platinum ground and center electrodes maintain precise factory gap tolerances under prolonged combustion pressures, requiring lower ionization voltage and mitigating secondary load on the coil driver. This direct-swap package restores clean flame-front propagation and rapid throttle response without requiring PCM recalibration.

What's Included

• 1 Ignition Coil Pack
• 6 Platinum Spark Plugs

Technical Specifications

Compatibility

• 2006 Buick Rendezvous 3.5L V6
• 2007 Buick Rendezvous 3.5L V6

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT199 Rendezvous?

Yes, this is a direct fit for the 2006-2007 Buick Rendezvous equipped with the 3.5L LX9 engine; it is not a universal ignition kit and will not fit earlier 3.4L LA1 or 3.6L LY7 variants.

Are spark plug wires included with this kit?

No, spark plug wires are not included with this kit and must be purchased separately if your existing secondary ignition leads are worn or cracked.

The Buick Reliability Standard

Engineered for the daily demands of midsize crossover commuting and family towing, this direct-fit ignition kit restores smooth idle stability, reliable cold-start crank cycles, and factory fuel efficiency across the entire RPM band.