Coil Packs & Iridium Spark Plugs & Wires Kit Fit for Buick Pontiac 3.8L | Fit for 1990-2005 LeSabre LaCrosse Lucerne

Key features

• FITMENT CHECK FIRST - Please verify year, make, model, engine, before purchase. Designed as a direct replacement ignition coil and iridium spark plug kit fit for selected Buick & Pontiac & Chevy & Oldsmobile 3.8L vehicles, fit for 1990-2005 LeSabre, 1997-2008 Grand Prix, 2005-2009 LaCrosse, 2006-2008 Lucerne, 2000-2005 Impala, 1991-2005 Park Avenue,1991-2005 Bonneville, and other listed applications. OE replacement numbers: DR39, D555; 5599, 3403. Check the fitment list to avoid wrong purchases.
• HELPS ADDRESS IGNITION-RELATED SYMPTOMS - Worn ignition coils or spark plugs may cause engine misfire, rough idle, hard starting, hesitation, engine vibration, poor acceleration, or check engine light concerns. This coil pack and iridium spark plug set may help restore smooth ignition performance when these symptoms are caused by worn ignition components. Related diagnostic trouble codes may include P0300-P0308.
• SEALED COILS & IRIDIUM SPARK PLUGS - Epoxy-potted ignition coils help resist heat, moisture, vibration, and internal arcing for stable spark delivery. Fine-wire iridium spark plugs are pre-gapped to support reliable ignition, efficient combustion, and smooth engine operation. Durable rubber boots and spring contacts help maintain a secure connection between the coil and spark plug during daily driving.
• COMPLETE IGNITION REPLACEMENT KIT - Includes 3 ignition coils & 6 pre-gapped iridium spark plugs & 6 Spark Plug Wires for a more convenient tune-up. Replacing coils and spark plugs together helps reduce repeated repairs and separate part sourcing. Designed for direct replacement installation with basic tools. Factory pre-lubricated with green dielectric grease for true easy DIY install. Recommended spark plug torque: 11.06 ft·lb (15 N·m).
• QUALITY CHECKED & SUPPORT AVAILABLE - Each ignition coil is checked before packaging for consistent operation, insulation integrity, and reliable fit. Built with heat-resistant housing, sealed construction, and secure connector terminals for dependable daily use. Backed by a 2-year warranty and lifetime technical support. Email us with your VIN or vehicle information if you are unsure about compatibility.
• SPARK PLUG NUMBER NOTE - Printed numbers on the spark plugs may differ from the numbers on your original plugs. This does not automatically mean the plugs are incorrect or incompatible. Please verify fitment by your vehicle’s year, make, model, engine, and listed OE/interchange numbers before purchase. If you are unsure, contact us with your vehicle information for fitment support.

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