{"product_id":"bilstein-44-291037-air-suspension-strut-front-left","title":"Bilstein 44-291037 Air Suspension Strut - Front Left","description":"\u003ch2\u003eBilstein B4 OE Replacement Air Strut\u003c\/h2\u003e\u003cp\u003eRestore the original front suspension feel on select Mercedes-Benz GLS and GL models with the Bilstein B4 OE Replacement (Air) strut, part number 44-291037. This air suspension strut is built for direct connection to the factory system and is engineered for vehicles without electronic suspension.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBilstein B4 OE Replacement (Air) series\u003c\/li\u003e\n\u003cli\u003eFront left air suspension strut\u003c\/li\u003e\n\u003cli\u003eMonotube internal design\u003c\/li\u003e\n\u003cli\u003eBlack paint finish\u003c\/li\u003e\n\u003cli\u003eLower mount type: clevis\u003c\/li\u003e\n\u003cli\u003eUpper mount type: special\u003c\/li\u003e\n\u003cli\u003eBoot not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOE-Style Replacement Design\u003c\/h2\u003e\u003cp\u003eThe Bilstein B4 OE Replacement (Air) line is made for drivers who want a factory-style repair for air suspension wear. Bilstein supplies OE air suspension systems for many European vehicles, and this replacement damper is built to meet the original vehicle standards while connecting directly to the factory connectors. For Mercedes-Benz GLS450, GLS550, GLS350d, GL350, and GL450 applications, 44-291037 supports a clean, modification-free replacement on the front left corner.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2017-2019 Mercedes-Benz GLS450, front left, without electronic suspension; B4 OE Replacement (Air)\u003c\/li\u003e\n\u003cli\u003eFits 2017-2019 Mercedes-Benz GLS550, front left, without electronic suspension; B4 OE Replacement (Air)\u003c\/li\u003e\n\u003cli\u003eFits 2017 Mercedes-Benz GLS350d, front left, without electronic suspension; B4 OE Replacement (Air)\u003c\/li\u003e\n\u003cli\u003eFits 2013-2016 Mercedes-Benz GL350, front left, without electronic suspension; B4 OE Replacement (Air)\u003c\/li\u003e\n\u003cli\u003eFits 2013-2016 Mercedes-Benz GL450, front left, without electronic suspension; B4 OE Replacement (Air)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Problems This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront left air strut leakage\u003c\/li\u003e\n\u003cli\u003eUneven ride height at one corner\u003c\/li\u003e\n\u003cli\u003eExcessive bounce or reduced damping control\u003c\/li\u003e\n\u003cli\u003eFactory suspension warning symptoms related to worn air strut hardware\u003c\/li\u003e\n\u003cli\u003eLoss of original ride quality on Mercedes-Benz GLS and GL models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Quality\u003c\/h2\u003e\u003cp\u003eVerify the vehicle is equipped without electronic suspension before ordering. Confirm the front left position and match the original connector style, lower clevis mount, and special upper mount before installation. Professional installation is recommended for air suspension service to ensure proper system function and ride-height calibration.\u003c\/p\u003e\u003cp\u003eBilstein B4 OE Replacement (Air) dampers are engineered as direct-fit OE replacement components for European applications, with construction and fitment focused on restoring factory ride characteristics.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":52709589352629,"sku":"BBGL-44-291037","price":1134.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/B5_44291037_Fro.jpg?v=1781589620","url":"https:\/\/www.partcatalog.com\/products\/bilstein-44-291037-air-suspension-strut-front-left","provider":"PartCatalog","version":"1.0","type":"link"}