{"product_id":"dr39-ignition-coils-iridium-spark-plugs-wires-for-chevy-impala-buick-99-09","title":"DR39 Ignition Coils Iridium Spark Plugs Wires For Chevy Impala Buick 99 09","description":"\u003cstrong\u003eThis DR39 Ignition Coil, Iridium Spark Plug, and Wire Set is a complete ignition tune-up kit compatible with 1999–2009 Chevy Impala and Buick models and matches OEM part number(s) DR39.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThe DR39 ignition kit combines high-output ignition coils, iridium spark plugs, and EMI-suppressed spark plug wires into one complete package for the 1999–2009 Chevrolet Impala and compatible Buick sedans. This set restores factory ignition performance, addresses misfires, and helps improve fuel economy on high-mileage 3.8L V6 engines. Designed for do-it-yourself mechanics and professional shops, the DR39 kit delivers reliable, OEM-spec spark delivery without the dealer price.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eComplete ignition set: three ignition coils, six pre-gapped iridium spark plugs, and six low-resistance spark plug wires\u003c\/li\u003e \u003cli\u003eIridium center electrodes provide high melting point, superior wear resistance, and consistent spark over extended intervals\u003c\/li\u003e \u003cli\u003eCoils feature high-temperature epoxy vacuum encapsulation to resist moisture, vibration, and thermal stress\u003c\/li\u003e \u003cli\u003eWires use a spiral-wound suppression core for stable spark energy and reduced radio frequency interference\u003c\/li\u003e \u003cli\u003e100% burn-tested coils ensure consistent primary\/secondary resistance and reliable start-up\u003c\/li\u003e \u003cli\u003eDrop-in fit with factory connectors, boots, and mounting points — no modifications required\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e1999–2009 Chevrolet Impala (3.8L V6)\u003c\/li\u003e \u003cli\u003eBuick models equipped with the 3.8L V6 engine — confirm engine code L36 or L67\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eScheduled ignition system maintenance on high-mileage Impala\/Buick sedans\u003c\/li\u003e \u003cli\u003eFixing rough idle, hesitation, and persistent misfire codes (P0300–P0306)\u003c\/li\u003e \u003cli\u003eRestoring factory fuel economy and throttle response after worn-out plugs\u003c\/li\u003e \u003cli\u003eComplete tune-up during intake manifold gasket or engine service\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e DR39\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoil Type:\u003c\/strong\u003e Delphi-style ignition coil pack, 3-coil set\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpark Plug Material:\u003c\/strong\u003e Iridium fine-wire center electrode\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug Wire Construction:\u003c\/strong\u003e EPDM silicone jacket, spiral-wound suppression core\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e GM 3.8L V6 (vin codes K, 1) 1999–2009\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the spark plugs pre-gapped?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, the iridium plugs arrive pre-gapped to the factory specification for the 3.8L V6; always double-check the gap with a feeler gauge before installation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do the coils need any calibration or programming after installation?\u003cstrong\u003e A:\u003c\/strong\u003e No, the DR39 coils are passive inductive coils that function as a direct plug-and-play replacement — simply install and the ECU will recognize them without reprogramming.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679702933777,"sku":"ZZ3A01021","price":125.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_103e6c19-ba5b-4893-8135-881152bcaf43.jpg?v=1781653859","url":"https:\/\/www.duraforce.com\/products\/dr39-ignition-coils-iridium-spark-plugs-wires-for-chevy-impala-buick-99-09","provider":"DURAFORCE","version":"1.0","type":"link"}