{"product_id":"denso-671-8129-spark-plug-wire-set","title":"Denso 671-8129 Spark Plug Wire Set","description":"\u003ch2\u003eOverview of Denso 7mm Spark Plug Wire Set 671-8129\u003c\/h2\u003e\u003cp\u003eThe Denso 7mm Spark Plug Wire Set 671-8129 is designed for reliable ignition performance in select Mercedes-Benz models. This set features high-quality LR silicone spark plug boots and precise terminal configurations to ensure optimal electrical conductivity and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLR silicone spark plug boot material for heat resistance and flexibility\u003c\/li\u003e\n\u003cli\u003e7.00 mm insulation outside diameter for effective electrical insulation\u003c\/li\u003e\n\u003cli\u003eFemale distributor coil end terminals for secure connection\u003c\/li\u003e\n\u003cli\u003e180-degree spark plug end boot angle for proper fitment\u003c\/li\u003e\n\u003cli\u003eFemale spark plug end terminals with 8 straight boots included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Denso 7mm spark plug wire set (part number 671-8129) is engineered to meet the ignition system requirements of Mercedes-Benz vehicles including the 380SE, 380SEC, 380SEL, 380SL, 380SLC, 500SEC, and 500SEL models. The LR silicone material used in the spark plug boots offers excellent resistance to heat and environmental factors, maintaining flexibility and preventing cracking over time. The 7.00 mm insulation diameter provides robust protection against electrical interference and arcing, ensuring consistent spark delivery.\u003c\/p\u003e\u003cp\u003eThe wire set features female terminals on both the distributor coil end and spark plug end, with the spark plug end boots designed at a 180-degree angle to accommodate the engine layout of the specified Mercedes-Benz models. This set includes eight straight spark plug end boots, matching the eight-cylinder engine configuration common in these vehicles.\u003c\/p\u003e\u003ch2\u003eAbout the Denso 7mm Brand Line\u003c\/h2\u003e\u003cp\u003eThe Denso 7mm brand line focuses on ignition wire sets with a 7.00 mm insulation diameter, balancing durability and electrical performance. This line is tailored for applications requiring reliable spark plug wire insulation and terminal design, such as the Mercedes-Benz models compatible with part number 671-8129. The 7mm wires provide a consistent fit and function, supporting efficient ignition system operation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or damaged spark plug wires in Mercedes-Benz 380SE, 380SEC, 380SEL, 380SL, 380SLC, 500SEC, and 500SEL\u003c\/li\u003e\n\u003cli\u003ePrevents misfires caused by cracked or brittle spark plug boots\u003c\/li\u003e\n\u003cli\u003eReduces electrical interference and crossfire issues\u003c\/li\u003e\n\u003cli\u003eImproves ignition coil connection reliability with female terminals\u003c\/li\u003e\n\u003cli\u003eMaintains proper spark plug boot angle for secure engine fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure engine is cool before removing old spark plug wires\u003c\/li\u003e\n\u003cli\u003eReplace wires one at a time to maintain correct firing order\u003c\/li\u003e\n\u003cli\u003eVerify the 180-degree spark plug boot orientation matches engine layout\u003c\/li\u003e\n\u003cli\u003eCheck for secure connections at both distributor coil and spark plug ends\u003c\/li\u003e\n\u003cli\u003eInspect boots for proper seating to prevent moisture intrusion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso spark plug wire sets, including the 7mm line and part number 671-8129, are manufactured to meet OEM specifications for fit and function. The use of LR silicone and precise terminal design supports long-term durability and consistent ignition performance. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43446214197429,"sku":"BBNF-671-8129","price":114.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_6718129_Fro.jpg?v=1774734321","url":"https:\/\/www.partcatalog.com\/products\/denso-671-8129-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}