{"product_id":"delphi-tc8404-suspension-control-arm-rear-upper-forward","title":"Delphi TC8404 Suspension Control Arm - Rear Upper Forward","description":"\u003ch2\u003eOE-Style Rear Upper Forward Control Arm\u003c\/h2\u003e\u003cp\u003eDelphi TC8404 is a suspension control arm for the rear upper forward position on select Audi and Porsche applications. Built with an aluminum arm, painted finish, and rubber bushings, it is a standard replacement part for restoring rear suspension geometry and ride control.\u003c\/p\u003e\u003cp\u003eDelphi applies OE-level dimensional and material analysis to help ensure proper fitment and consistent performance. This part is tested for extreme temperature exposure and salt spray resistance, supporting dependable operation in demanding road conditions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: TC8404\u003c\/li\u003e\n\u003cli\u003eSuspension control arm for the rear upper forward position\u003c\/li\u003e\n\u003cli\u003eAluminum construction with a painted finish\u003c\/li\u003e\n\u003cli\u003eRubber bushings included; black bushing color\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade, non-adjustable design\u003c\/li\u003e\n\u003cli\u003eBent arm shape with casting\/forged construction\u003c\/li\u003e\n\u003cli\u003ePre-greased: No\u003c\/li\u003e\n\u003cli\u003eGrease fitting included: No\u003c\/li\u003e\n\u003cli\u003eMounting hardware included: No\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi TC8404 is engineered as a rear upper forward suspension control arm for Audi Q5, Q7, Q8, A6 Quattro, A7 Sportback, e-tron models, S and RS variants, and Porsche Cayenne applications listed below. The aluminum arm and rubber bushings are specified for OE-style replacement needs, while Delphi’s dimensional and material analysis helps support correct alignment and part compatibility. This part cross-references LA12556 for the same application.\u003c\/p\u003e\u003cp\u003eCompatible With 2017-2023 Audi Q7, rear upper forward; 2018-2024 Audi Q5, rear upper forward; 2019-2024 Audi A6 Quattro, rear upper forward; and 2019-2025 Porsche Cayenne, rear upper forward. Delphi TC8404 is also listed for multiple Audi e-tron, Q8, S, SQ, and RS applications in the same rear upper forward position.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear suspension looseness or clunking from worn bushings\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by worn control arm components\u003c\/li\u003e\n\u003cli\u003eImprecise rear suspension geometry after component wear\u003c\/li\u003e\n\u003cli\u003eNoise or vibration from deteriorated rubber bushings\u003c\/li\u003e\n\u003cli\u003eRestoration of rear upper forward suspension support on listed vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify vehicle fitment by year, make, model, and rear upper forward position before installation.\u003c\/li\u003e\n\u003cli\u003eInspect adjacent suspension components, fasteners, and alignment settings during replacement.\u003c\/li\u003e\n\u003cli\u003eBecause mounting hardware is not included, reuse or replace hardware as required by the vehicle service procedure.\u003c\/li\u003e\n\u003cli\u003eProfessional alignment is recommended after control arm replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi uses OE-focused engineering and validation methods for its aftermarket steering and suspension portfolio. TC8404 is subjected to temperature extremes below -40 degrees C and above 120 degrees C, along with 720 hours of salt spray testing, to support durability in real-world conditions.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435701006517,"sku":"BBMX-TC8404","price":87.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC8404_FRO.jpg?v=1777863284","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc8404-suspension-control-arm-rear-upper-forward","provider":"PartCatalog","version":"1.0","type":"link"}