{"product_id":"febi-29770-accessory-drive-belt-tensioner-assembly","title":"Febi 29770 Accessory Drive Belt Tensioner Assembly","description":"\u003ch2\u003eAccessory Drive Belt Tensioner for Sprinter\u003c\/h2\u003e\u003cp\u003eThis Febi accessory drive belt tensioner assembly is built for the accessory drive belt system on select Mercedes-Benz Sprinter vans. It features an automatic operating mode, an aluminium housing, and a plastic pulley with a 26.0 mm pulley surface width and 70.0 mm outside diameter.\u003c\/p\u003e\u003cp\u003eFebi part number 29770 is a direct-fit style replacement for vehicles that require stable belt tension control in the accessory drive system. It is listed for 2006-2010 Mercedes-Benz Sprinter applications and is also referenced by OE-style cross numbers for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAccessory drive belt tensioner assembly for belt system service\u003c\/li\u003e\n\u003cli\u003eAutomatic operating mode for consistent belt tension management\u003c\/li\u003e\n\u003cli\u003eAluminium housing for structural support\u003c\/li\u003e\n\u003cli\u003ePlastic pulley construction\u003c\/li\u003e\n\u003cli\u003e70.0 mm outside diameter\u003c\/li\u003e\n\u003cli\u003e26.0 mm pulley surface width\u003c\/li\u003e\n\u003cli\u003eFebi 29770 replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eFebi 29770 is an accessory drive belt tensioner assembly engineered for the accessory drive belt system on Mercedes-Benz Sprinter models from 2006 through 2010. The automatic tensioner design helps maintain proper belt load across changing engine conditions, while the aluminium housing and plastic pulley provide the specified construction for this application. If you are searching for a Mercedes-Benz Sprinter accessory drive belt tensioner assembly, Febi 29770 matches the listed dimensions and operating style for the confirmed fitment.\u003c\/p\u003e\u003cp\u003eThis part cross-references OE-style numbers such as 642 200 07 70 and 68021256AA for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBelt slack in the accessory drive system\u003c\/li\u003e\n\u003cli\u003eNoise from a worn or unstable tensioner assembly\u003c\/li\u003e\n\u003cli\u003eUneven belt tracking caused by tension loss\u003c\/li\u003e\n\u003cli\u003eReduced belt control from aging pulley components\u003c\/li\u003e\n\u003cli\u003eService replacement for a failed automatic tensioner\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify pulley diameter, pulley surface width, and housing style against the original unit before installation. Confirm the belt routing and inspect the accessory drive belt, idler components, and related pulleys for wear while servicing the tensioner. For fitment, this part is listed for 2006-2010 Mercedes-Benz Sprinter, N\/A.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFebi is a recognized aftermarket brand for OE-style replacement parts. Part number 29770 is cataloged with confirmed vehicle fitment and dimensional specifications for the listed Mercedes-Benz Sprinter applications.\u003c\/p\u003e","brand":"Febi","offers":[{"title":"Default Title","offer_id":44575712739509,"sku":"CJBF-29770","price":48.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FB_29770_Fro.jpg?v=1775064539","url":"https:\/\/www.partcatalog.com\/products\/febi-29770-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}