{"product_id":"bosch-8508-spark-plug","title":"Bosch 8508 Spark Plug","description":"\u003ch2\u003eReliable Ignition Performance for Buick, Cadillac, Chevrolet, and GMC\u003c\/h2\u003e\u003cp\u003eThe Bosch EVO 8508 spark plug is engineered to deliver consistent ignition performance for a range of 4-cycle engines. Designed specifically for vehicles like the Buick Encore GX, Cadillac CT5, Chevrolet Equinox, and GMC Terrain, this spark plug ensures efficient combustion and reliable starts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 8508\u003c\/li\u003e\n\u003cli\u003eBrand Line: Bosch EVO\u003c\/li\u003e\n\u003cli\u003eResistance: 6000 ohms for noise suppression\u003c\/li\u003e\n\u003cli\u003eCenter Electrode Tip Material: Iridium for durability\u003c\/li\u003e\n\u003cli\u003eGround Electrode Tip Material: Platinum for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003eGround Configuration: J-gap with a single ground electrode\u003c\/li\u003e\n\u003cli\u003ePre-Gap Size: 0.7 mm for optimal spark\u003c\/li\u003e\n\u003cli\u003eThread Diameter: 12 mm with 25 mm reach\u003c\/li\u003e\n\u003cli\u003eHex Size: 14 mm with non-removable nut terminal\u003c\/li\u003e\n\u003cli\u003eInsulator Material: Ceramic with projected insulator type\u003c\/li\u003e\n\u003cli\u003eManufacturer Heat Range: 5 with tapered seat type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Bosch EVO Spark Plug Features\u003c\/h2\u003e\u003cp\u003eThe Bosch EVO 8508 spark plug incorporates a fine wire center electrode made of iridium, which provides excellent ignition reliability and longevity. The copper core in both the center and ground electrodes enhances thermal conductivity, helping to dissipate heat effectively. The ground electrode features a platinum tip and a standard design with a J-gap configuration, which supports stable spark generation and reduces electrode wear. The spark plug includes a built-in resistor with 6000 ohms resistance to minimize electromagnetic interference, ensuring smooth operation of vehicle electronics.\u003c\/p\u003e\u003cp\u003eThe ceramic insulator with a projected design improves voltage insulation and heat resistance, while the tapered seat ensures a secure fit in the combustion chamber. The 14 mm hex size and non-removable nut electrical terminal type facilitate straightforward installation and reliable electrical connection.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis Bosch EVO 8508 spark plug is compatible with a variety of Buick, Cadillac, Chevrolet, and GMC models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Encore and Encore GX\u003c\/li\u003e\n\u003cli\u003eCadillac CT5 and CT6\u003c\/li\u003e\n\u003cli\u003eChevrolet Cascada, Cruze, Equinox, Malibu, Trailblazer, Trax\u003c\/li\u003e\n\u003cli\u003eGMC Terrain\u003c\/li\u003e\n\u003cli\u003eChevrolet Envista\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed for 4-cycle engines requiring a 12 mm thread diameter and a heat range of 5.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Bosch EVO 8508 Spark Plug\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine misfires and rough idling\u003c\/li\u003e\n\u003cli\u003ePoor fuel efficiency due to incomplete combustion\u003c\/li\u003e\n\u003cli\u003eDifficulty starting the engine in cold conditions\u003c\/li\u003e\n\u003cli\u003eReduced engine power and acceleration\u003c\/li\u003e\n\u003cli\u003eExcessive electrode wear leading to ignition failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify the spark plug gap is set to 0.7 mm as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the tapered seat. The 14 mm hex size allows for standard spark plug socket use. Ensure the ignition system is off and the engine is cool before replacing spark plugs to prevent injury or damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBosch manufactures the EVO 8508 spark plug to meet strict quality standards, using premium materials such as iridium and platinum for electrode tips. The resistor built into the spark plug helps protect vehicle electronics from interference. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to support reliable performance.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":52215301341365,"sku":"BBHK-8508","price":15.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_8508_Fro.jpg?v=1775596562","url":"https:\/\/www.partcatalog.com\/products\/bosch-8508-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}