{"product_id":"gm-genuine-parts-12670574-drive-belt-tensioner-oe-quality-serpentine-belt-tensioner","title":"GM Genuine Parts 12670574 Drive Belt Tensioner | OE-Quality Serpentine Belt Tensioner","description":"\u003ch2\u003eGM Genuine Parts Drive Belt Tensioner 12670574\u003c\/h2\u003e\n\u003cp\u003eEngineered to support the heart of your vehicle’s belt system, the GM Genuine Parts Drive Belt Tensioner uses a spring-loaded pulley to apply steady force on the serpentine belt. When installed, it helps keep the belt aligned with pulleys, supporting consistent accessory operation across a wide range of driving conditions. The design emphasizes reliability, quiet operation, and durable performance under real-world use.\u003c\/p\u003e\n\u003ch3\u003eWhy this tensioner stands out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned, engineered and tested to rigorous GM standards, and backed by General Motors.\u003c\/li\u003e\n  \u003cli\u003eSpring-loaded pulley actively draws tension to keep the serpentine belt properly engaged.\u003c\/li\u003e\n  \u003cli\u003eTrue OE part installed during GM production or validated by GM for GM vehicles.\u003c\/li\u003e\n  \u003cli\u003eSome GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).\u003c\/li\u003e\n  \u003cli\u003eGM regularly updates production and service part designs to integrate new materials and technologies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to expect in daily use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps maintain belt tension, supporting reliable operation of alternator, power steering, A\/C, and other belt-driven accessories.\u003c\/li\u003e\n  \u003cli\u003eDesigned for Chevrolet, Buick, GMC, and Cadillac vehicles, reflecting GM’s engineering standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBeyond the factory fit, GM Genuine Parts are built to handle a range of road conditions and climates. The tensioner works as part of a broader belt system designed to cope with engine heat, temperature swings, and regular driving cycles. While individual results may vary, a properly functioning tensioner contributes to smoother belt performance and reduced wear on drive components. This part is a practical choice for those seeking an authentic GM replacement that aligns with the original engineering intent.\u003c\/p\u003e\n\u003ch3\u003eInstallation notes and care\u003c\/h3\u003e\n\u003cp\u003eWhen replacing, follow GM service guidelines and use the correct fasteners and torque specs. Inspect the serpentine belt for wear and replace if necessary. If you notice belt squeal, misalignment, or unusual tension, this tensioner may be part of the issue. Pair with a new belt for best performance and longevity.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the 12670574 GM Genuine Parts Drive Belt Tensioner do?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It uses a spring-loaded pulley to apply consistent tension to the serpentine belt, supporting proper engagement of engine accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this tensioner an OE GM part?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. GM Genuine Parts are designed, engineered, and tested to GM standards and backed by General Motors for GM vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":42470916948053,"sku":"B01M1B18MY","price":89.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/gm-genuine-parts-drive-belt-tensioner-12670574.jpg?v=1778156002","url":"https:\/\/plentytorque.co.uk\/products\/gm-genuine-parts-12670574-drive-belt-tensioner-oe-quality-serpentine-belt-tensioner","provider":"PlentyTorque","version":"1.0","type":"link"}