{"product_id":"dr49-d577-ignition-coil-module-for-chevrolet-gmc-4-3l-5-7l-1995-2007","title":"DR49 D577 Ignition Coil \u0026 Module for Chevrolet GMC 4.3L 5.7L 1995-2007","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement ignition coil and module is intended for the listed 1995-2007 Chevrolet and GMC 4.3L and 5.7L applications and cross-references part numbers DR49 and D577. An ignition coil and module assembly delivers the high-voltage spark needed to ignite the air-fuel mixture in a gasoline engine's combustion chamber. It is supplied as a replacement component for the corresponding ignition system position.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProvides the high-voltage output required to fire the spark plug in a distributor-based ignition system.\u003c\/li\u003e\n\u003cli\u003eModule controls coil dwell and trigger timing based on the ignition signal.\u003c\/li\u003e\n\u003cli\u003eCross-references part numbers DR49 and D577 for comparison with the existing component.\u003c\/li\u003e\n\u003cli\u003eIntended for the listed 1995-2007 Chevrolet and GMC 4.3L and 5.7L applications.\u003c\/li\u003e\n\u003cli\u003eUsed when servicing or replacing a failed coil and module assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor 1995-2007 Chevrolet applications with 4.3L engines\u003c\/li\u003e\n\u003cli\u003efor 1995-2007 Chevrolet applications with 5.7L engines\u003c\/li\u003e\n\u003cli\u003efor 1995-2007 GMC applications with 4.3L engines\u003c\/li\u003e\n\u003cli\u003efor 1995-2007 GMC applications with 5.7L engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed or misfiring ignition coil and module assembly.\u003c\/li\u003e\n\u003cli\u003eRestoring normal ignition function after a no-start or rough-running condition traced to the coil or module.\u003c\/li\u003e\n\u003cli\u003eRoutine ignition system servicing on the listed applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Ignition Coil and Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e DR49, D577\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Application(s):\u003c\/strong\u003e 1995-2007 Chevrolet and GMC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Application(s):\u003c\/strong\u003e 4.3L, 5.7L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does an ignition coil and module do? \u003cstrong\u003eA:\u003c\/strong\u003e The coil steps up battery voltage to the high voltage needed to create a spark, while the module controls the timing of that spark in a distributor-based ignition system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I verify fitment? \u003cstrong\u003eA:\u003c\/strong\u003e Compare the part numbers on your existing coil and module with DR49 and D577, and confirm the year, make, and engine size of your vehicle match the listed 1995-2007 Chevrolet or GMC 4.3L and 5.7L applications.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67611833991441,"sku":"ZZ3P02110","price":74.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_f4170b2f-de09-478f-bc7a-2587f95373a5.jpg?v=1790994907","url":"https:\/\/www.duraforce.com\/products\/dr49-d577-ignition-coil-module-for-chevrolet-gmc-4-3l-5-7l-1995-2007","provider":"DURAFORCE","version":"1.0","type":"link"}