{"product_id":"delphi-tc4841-lateral-arm-rear-left-upper-forward","title":"Delphi TC4841 Lateral Arm - Rear Left Upper Forward","description":"\u003ch2\u003eOE-Style Rear Left Upper Forward Lateral Arm\u003c\/h2\u003e\u003cp\u003eDelphi TC4841 is a standard replacement lateral arm for the rear left upper forward position on select BMW suspension systems. Built from forged steel with a painted black finish, it uses rubber bushings at both ends to help restore proper rear suspension geometry and consistent handling response.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: TC4841\u003c\/li\u003e\n\u003cli\u003eForged steel construction with a matte black painted finish\u003c\/li\u003e\n\u003cli\u003eRubber bushings included; bushing color is black\u003c\/li\u003e\n\u003cli\u003eStraight lateral arm design for the rear left upper forward position\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for OE-style service\u003c\/li\u003e\n\u003cli\u003eNot adjustable, not greaseable, and no ball joint included\u003c\/li\u003e\n\u003cli\u003eLength: 236.60 mm (9.315 in.)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi TC4841 is engineered as a rear suspension lateral arm for BMW X3 and BMW X4 applications that use the rear left upper forward position. Delphi applies OE-level dimensional and material analysis to help ensure proper fitment between the replacement part and the original suspension layout. The forged steel body and rubber bushings are selected for everyday road use, while the painted finish helps protect the arm’s surface.\u003c\/p\u003e\u003cp\u003eThis part cross-references Mevotech Supreme CMS101672 for the same application. For shoppers searching for a BMW X3 rear left upper forward lateral arm or a BMW X4 rear suspension arm replacement, TC4841 provides a direct OE-style service part option.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear suspension looseness or instability from a worn lateral arm\u003c\/li\u003e\n\u003cli\u003eClunking or knocking noises from deteriorated bushings\u003c\/li\u003e\n\u003cli\u003eUneven rear wheel alignment caused by suspension wear\u003c\/li\u003e\n\u003cli\u003eExcessive rear-end movement over bumps or during cornering\u003c\/li\u003e\n\u003cli\u003eRestoring factory-style suspension geometry on BMW X3 and BMW X4 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eFits 2018-2023 BMW X3, Rear Left Upper Forward. Fits 2019-2023 BMW X4, Rear Left Upper Forward. Verify the rear left upper forward position before installation and compare the original arm length, bushing style, and mounting hole dimensions to confirm application match. Mounting hardware is not included, and the arm is not pre-greased.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi subjects steering and suspension components to extreme temperature testing below -40 degrees C and above 120 degrees C, along with 720 hours of salt spray exposure. That testing, combined with OE-focused material and dimensional analysis, supports consistent fit and durability for TC4841 in BMW X3 and BMW X4 rear suspension service.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435695796405,"sku":"BBMX-TC4841","price":78.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC4841_FRO.jpg?v=1777862364","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc4841-lateral-arm-rear-left-upper-forward","provider":"PartCatalog","version":"1.0","type":"link"}