{"product_id":"ina-zg0581-engine-timing-chain-tensioner-lower","title":"INA ZG0581 Engine Timing Chain Tensioner - Lower","description":"\u003ch2\u003eINA ZG0581 Lower Timing Chain Guide\u003c\/h2\u003e\u003cp\u003eINA ZG0581 is a lower engine timing chain guide for select BMW applications. It is built to OE-quality standards and uses plastic material formulated to match OEM PA66 and PA46 hardness requirements for consistent chain guidance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLower timing chain guide for engine valve train service\u003c\/li\u003e\n\u003cli\u003eOE-quality replacement from INA\u003c\/li\u003e\n\u003cli\u003ePlastic material engineered to match OEM PA66 and PA46 grade hardness\u003c\/li\u003e\n\u003cli\u003eDirect-fit application for select BMW engines\u003c\/li\u003e\n\u003cli\u003eCross-reference part number: 5550581100\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis INA timing chain guide is designed for BMW engines that use a lower guide in the timing system. The ZG0581 helps maintain proper chain routing and support in the valve train, making it a practical replacement for worn or damaged guide components. Compatible With 2001-2006 BMW 325Ci, 330Ci, X3, X5, 325xi, 330i, 330xi, 525i, 530i, Z4, 325i, Z3, 323i, 323Ci, 323ti, 328Ci, 328i, 528i, 323is, and 328is applications listed in the fitment data.\u003c\/p\u003e\u003cp\u003eUse INA ZG0581 when servicing BMW timing chain components and you need a lower guide that matches the original material specification. This part number is also referenced as 5550581100 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Repair Reasons\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTiming chain noise from a worn guide surface\u003c\/li\u003e\n\u003cli\u003eChain misalignment caused by guide wear\u003c\/li\u003e\n\u003cli\u003ePlastic guide deterioration from age and heat cycling\u003c\/li\u003e\n\u003cli\u003eValve train service on higher-mileage BMW engines\u003c\/li\u003e\n\u003cli\u003eReplacement during timing system maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eInspect the full timing system before installation, including the chain, tensioner, and related guides. Replace any worn or damaged components together to restore proper chain tracking. Confirm lower-position fitment against the vehicle application before assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eINA states this timing chain guide is manufactured to meet or exceed OE quality and performance expectations, with plastic material matched to OEM PA66 and PA46 grade requirements.\u003c\/p\u003e","brand":"INA","offers":[{"title":"Default Title","offer_id":52966226165941,"sku":"HBRK-ZG0581","price":40.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/IA_ZG0581_Fro.jpg?v=1786603132","url":"https:\/\/www.partcatalog.com\/products\/ina-zg0581-engine-timing-chain-tensioner-lower","provider":"PartCatalog","version":"1.0","type":"link"}