{"product_id":"delphi-tc3972-suspension-trailing-arm-rear-upper","title":"Delphi TC3972 Suspension Trailing Arm - Rear Upper","description":"\u003ch2\u003eRear Upper Trailing Arm for Toyota 4Runner\u003c\/h2\u003e\u003cp\u003eDelphi TC3972 is a rear upper suspension trailing arm built for 1996-2002 Toyota 4Runner applications. It uses a tubular steel construction with rubber bushings at both ends to support rear suspension location and alignment.\u003c\/p\u003e\u003cp\u003eFits 1996-2002 Toyota 4Runner, rear upper. This Delphi TC3972 replacement is engineered with OE-focused dimensional and material analysis for proper part-to-vehicle compatibility.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel tubular construction for suspension strength\u003c\/li\u003e\n\u003cli\u003eBlack finish with black bushings\u003c\/li\u003e\n\u003cli\u003eRubber bushings included at both ends\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade\u003c\/li\u003e\n\u003cli\u003eRear upper position\u003c\/li\u003e\n\u003cli\u003eNon-adjustable, non-greaseable design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Delphi TC3972 suspension trailing arm is a direct-fit rear upper component for the Toyota 4Runner. Delphi applies OE-based engineering and validation to its aftermarket steering and suspension portfolio, including dimensional and material checks to help ensure the part matches the original application. The arm measures 299.7 in length and uses a tubular steel body with rubber bushings for controlled suspension movement and consistent rear axle location.\u003c\/p\u003e\u003cp\u003eThis part cross-references Mevotech Supreme CMS861168 and Toyota 48710-35030 for the same application. If you are replacing a worn rear upper trailing arm on a 1996-2002 Toyota 4Runner, Delphi TC3972 provides the correct position-specific solution.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear suspension clunking from worn bushings\u003c\/li\u003e\n\u003cli\u003eExcessive rear axle movement under load\u003c\/li\u003e\n\u003cli\u003eUneven rear suspension geometry\u003c\/li\u003e\n\u003cli\u003eHandling instability caused by a fatigued trailing arm\u003c\/li\u003e\n\u003cli\u003eNoise or vibration from a damaged rear upper arm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall in the rear upper position only. Mounting hardware is not included, so reuse or source the correct hardware as needed. Because this is a bushing-equipped suspension arm, inspect adjacent rear suspension components and alignment condition during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi validates OE-style replacement parts through dimensional and material analysis and subjects components to extreme temperature and salt-spray testing to verify durability in demanding conditions. This testing approach supports consistent fit and long-term suspension performance for Toyota 4Runner rear upper applications.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52435692093621,"sku":"BBMX-TC3972","price":129.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_TC3972_FRO.jpg?v=1777861683","url":"https:\/\/www.partcatalog.com\/products\/delphi-tc3972-suspension-trailing-arm-rear-upper","provider":"PartCatalog","version":"1.0","type":"link"}