Ignition Coil & Spark Plugs for Buick Lucerne (2006-2008) 3.8L V6
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Direct-Fit Ignition Coil & Spark Plugs for 2006-2008 Buick Lucerne
What it is for: Restores factory ignition performance and eliminates misfires by providing high-voltage spark delivery to the GM 3800 Series III engine.
The Stock Lucerne Ignition Vulnerability
The GM 3800 Series III (L26) is a highly robust engine, but its DIS (Distributorless Ignition System) coil packs are prone to thermal degradation over time. Positioned in the upper engine bay, continuous heat soak cycles break down the internal epoxy potting of the OEM coils. This degradation increases primary and secondary winding resistance, leading to weak spark energy, rough idling, hesitation under load, and intermittent P0300 series misfire codes. Worn spark plugs compound the issue, forcing the coil packs to operate at higher firing voltages and accelerating their failure.
The Engineering Solution
This comprehensive ignition kit replaces the failing factory components with ISO/TS16949 certified coil packs and premium NGK spark plugs. The coils are manufactured with upgraded internal copper windings and high-temperature epoxy resin to resist heat soak and voltage leaks, ensuring consistent spark duration and intensity. By combining these robust coil packs with NGK's precision-gapped spark plugs, this kit optimizes the combustion cycle. The result is improved throttle response, restored fuel economy, and stable idle quality. State-of-the-art manufacturing ensures these components meet or exceed original equipment specifications, guaranteeing long-term electrical reliability for your 3.8L block.
Technical Specifications
| Fitment | 2006-2008 Buick Lucerne |
| Engine / Chassis | 3.8L 3800 Series III (L26) / GMX222 (G-Body) |
| Stock Output | 197 hp / 227 lb-ft (Approx) |
| Part Number | C849, 10467067, 10468391 |
Compatibility
- 2006 Buick Lucerne 3.8L V6
- 2007 Buick Lucerne 3.8L V6
- 2008 Buick Lucerne 3.8L V6
The Buick Reliability Standard
For a classic American sedan designed for smooth highway cruising, maintaining consistent engine performance is critical. This complete ignition overhaul ensures your Lucerne delivers the dependable, surge-free power delivery that the legendary 3800 V6 is famous for.
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