{"product_id":"bcbc-bt5591-engine-timing-chain-tensioner-primary","title":"BCBC BT5591 Engine Timing Chain Tensioner - Primary","description":"\u003ch2\u003eEngine Timing Chain Tensioner Overview\u003c\/h2\u003e\u003cp\u003eThis Melling engine timing chain tensioner is a standard replacement part for select Nissan V6 applications. It uses a hydraulic design and steel housing to maintain timing chain tension in stock-style engine setups. Part number BT5591 is built for primary timing chain service on compatible Nissan Quest, Maxima, and Altima models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHydraulic tensioner design for consistent chain control\u003c\/li\u003e\n\u003cli\u003eSteel housing for durable engine bay service\u003c\/li\u003e\n\u003cli\u003eAdjustable construction for proper setup during installation\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for stock-style repairs\u003c\/li\u003e\n\u003cli\u003eMounting bracket included for installation support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMelling BT5591 is an engine timing chain tensioner made for primary timing chain applications in select Nissan vehicles. The hydraulic design helps maintain chain tension as engine conditions change, while the steel housing adds strength in a demanding valve train environment. This part number, BT5591, is listed for 2003-2009 Nissan Altima, 2004-2008 Nissan Maxima, and 2004-2009 Nissan Quest primary applications, including the 2003 Altima note for a plastic tensioner body.\u003c\/p\u003e\u003cp\u003eThe Stock product line focuses on broad application coverage for domestic and import vehicles, giving buyers a standard replacement option for routine timing service. For Nissan Altima, Nissan Maxima, and Nissan Quest timing chain repairs, BT5591 provides a direct-fit style solution for stock engine configurations.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring proper timing chain tension\u003c\/li\u003e\n\u003cli\u003eAddressing chain noise from worn tensioner components\u003c\/li\u003e\n\u003cli\u003eReplacing a hydraulic tensioner that no longer holds pressure\u003c\/li\u003e\n\u003cli\u003eSupporting accurate valve timing in stock engine service\u003c\/li\u003e\n\u003cli\u003eRepairing timing system wear during engine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify engine code and timing system configuration before installation. This part is listed for primary position applications only, and the 2003 Nissan Altima fitment includes a plastic tensioner body note. Confirm the existing tensioner style and follow factory service procedures for timing chain alignment during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling states that its timing chain tensioners are manufactured with quality materials and workmanship for domestic and import applications. Part number BT5591 is a standard replacement option for timing service on compatible Nissan applications.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53721569165493,"sku":"BCBC-BT5591","price":42.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_BT5591_Fro.jpg?v=1794122727","url":"https:\/\/www.partcatalog.com\/products\/bcbc-bt5591-engine-timing-chain-tensioner-primary","provider":"PartCatalog","version":"1.0","type":"link"}