{"product_id":"delphi-tbr4452-rack-and-pinion-bellows","title":"Delphi TBR4452 Rack and Pinion Bellows","description":"\u003ch2\u003eRack and Pinion Bellows for Mercedes-Benz Steering\u003c\/h2\u003e\u003cp\u003eDelphi TBR4452 is a rack and pinion bellows built for Mercedes-Benz steering systems that need a precise OE-style seal and protective boot. It is backed by Delphi’s aftermarket steering expertise and dimensional analysis for accurate part matching.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOE-focused steering bellows for rack and pinion applications\u003c\/li\u003e\n\u003cli\u003eEngineered for broad temperature exposure from extreme cold to high heat\u003c\/li\u003e\n\u003cli\u003eSalt-spray tested for corrosion resistance validation\u003c\/li\u003e\n\u003cli\u003eDimensional and material analysis supports OE-to-aftermarket compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eThis rack and pinion bellows helps protect the steering rack area from dirt, moisture, and road debris while maintaining the correct sealed interface. Delphi applies OE safety technology and steering portfolio experience to this part number, TBR4452, with testing that includes temperatures below -40 degrees C, above 120 degrees C, and 720 hours of salt spray. It is a fitment-based replacement for Mercedes-Benz GL350, GL450, GL550, GL320, R350, R320, R500, R63 AMG, ML350, ML450, ML550, ML63 AMG, ML320, and ML500 applications across the listed model years.\u003c\/p\u003e\u003cp\u003eThis part cross-references Beck\/Arnley 103-3082 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDamaged or cracked steering bellows\u003c\/li\u003e\n\u003cli\u003eContamination entering the rack and pinion area\u003c\/li\u003e\n\u003cli\u003eMoisture exposure around steering components\u003c\/li\u003e\n\u003cli\u003eFitment issues from worn OE-style protective boots\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle year, model, and steering application against the listed fitment before installation. Confirm the replacement matches the original bellows shape and dimensions, especially on Mercedes-Benz GL-Class, ML-Class, and R-Class vehicles. Part number TBR4452 should be matched to the exact application shown in the fitment table.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi states that its OE safety technology and aftermarket steering parts are validated through extreme temperature testing, salt-spray exposure, and dimensional\/material analysis to support OE-level fitment consistency.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":53487386820789,"sku":"BBMX-TBR4452","price":32.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TBR4452_ANG.jpg?v=1791355257","url":"https:\/\/www.partcatalog.com\/products\/delphi-tbr4452-rack-and-pinion-bellows","provider":"PartCatalog","version":"1.0","type":"link"}