{"product_id":"spectra-c-840-ignition-coil","title":"Spectra C-840 Ignition Coil","description":"\u003ch2\u003eReliable Ignition Coil for Buick and Cadillac Vehicles\u003c\/h2\u003e\u003cp\u003eThe Spectra C-840 ignition coil is designed to provide consistent ignition performance for select Buick and Cadillac models. Engineered to meet OEM specifications, this ignition coil ensures proper spark delivery for efficient engine operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Buick DTS and Lucerne models\u003c\/li\u003e\n\u003cli\u003eFits Cadillac SRX, STS, and XLR vehicles\u003c\/li\u003e\n\u003cli\u003ePart number C-840 for precise identification\u003c\/li\u003e\n\u003cli\u003eDelivers stable voltage for reliable ignition\u003c\/li\u003e\n\u003cli\u003eManufactured by Spectra for quality assurance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Spectra C-840 ignition coil is a direct replacement part designed to restore ignition system functionality in compatible Buick and Cadillac vehicles. This ignition coil converts the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs, which ignites the fuel-air mixture in the engine cylinders. The C-840 meets or exceeds OEM standards, ensuring proper fit and performance for the Buick DTS and Lucerne, as well as Cadillac SRX, STS, and XLR models. Using the correct ignition coil helps maintain engine efficiency and smooth operation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eResolves engine misfires caused by faulty ignition coils\u003c\/li\u003e\n\u003cli\u003eImproves rough idling and hesitation during acceleration\u003c\/li\u003e\n\u003cli\u003eAddresses difficulty starting the engine\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light codes related to ignition coil failure\u003c\/li\u003e\n\u003cli\u003eRestores proper fuel combustion and engine power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Spectra C-840 ignition coil should be performed with the engine off and cooled down. Ensure the ignition coil connectors are clean and securely attached. It is recommended to inspect spark plugs and ignition wires during replacement to maintain optimal ignition system performance. Follow vehicle-specific service manual instructions for torque specifications and safety precautions.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eManufactured by Spectra, the C-840 ignition coil undergoes quality control testing to meet industry standards. While specific warranty details are not provided, Spectra products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.\u003c\/p\u003e","brand":"Spectra","offers":[{"title":"Default Title","offer_id":52174873198773,"sku":"BCNK-C-840","price":72.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SQ_C840_Fro.jpg?v=1775591317","url":"https:\/\/www.partcatalog.com\/products\/spectra-c-840-ignition-coil","provider":"PartCatalog","version":"1.0","type":"link"}