{"product_id":"skp-sk521979k2-suspension-control-arm-rear-left-upper-rear-right-upper-or-rear-upper","title":"SKP SK521979K2 Suspension Control Arm - Rear Left Upper, Rear Right Upper or Rear Upper","description":"\u003ch2\u003eSuspension Control Arm Overview\u003c\/h2\u003e\u003cp\u003eThe SKP Suspension Control Arm, part number SK521979K2, is a direct-fit suspension replacement for select GM applications. It helps restore proper wheel alignment, steering precision, and ride quality when original control arms are worn.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength steel construction for structural support.\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant coating for added protection.\u003c\/li\u003e\n\u003cli\u003eEngineered for accurate fitment and suspension geometry.\u003c\/li\u003e\n\u003cli\u003eHelps reduce uneven tire wear caused by worn components.\u003c\/li\u003e\n\u003cli\u003ePart number SK521979K2 for easy identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis SKP suspension control arm is built for rear upper applications on Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Chevrolet SSR, and Oldsmobile Bravada models listed below. It is a practical replacement when the original arm has looseness, corrosion, or bushing-related wear that affects alignment and steering response. The SK521979K2 is made from high-strength steel and finished with a corrosion-resistant coating to handle everyday road exposure.\u003c\/p\u003e\u003cp\u003eThis part cross-references Delphi TC5974 for the same application. SK521979K2 is also referenced by interchange numbers 521979 and MS501012.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCorrecting alignment issues caused by worn suspension arms.\u003c\/li\u003e\n\u003cli\u003eReducing steering imprecision and suspension looseness.\u003c\/li\u003e\n\u003cli\u003eAddressing uneven tire wear linked to worn rear suspension components.\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged or corroded control arm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2002-2009 Chevrolet Trailblazer, rear left upper and rear right upper, with no auto air level control; fits 2002-2006 Chevrolet Trailblazer, rear left upper and rear right upper, with auto air level control. Fits 2002-2009 GMC Envoy, rear left upper and rear right upper, without auto air level control. Fits 2004-2007 Buick Rainier, rear left upper and rear right upper, without auto air level control. Fits 2003-2006 Chevrolet SSR, rear upper, without RPO code G67 auto air level control. Fits 2002-2004 Oldsmobile Bravada, rear left upper and rear right upper, without auto air level control.\u003c\/p\u003e\u003cp\u003eVerify the suspension configuration and notes before installation to confirm the correct application for your vehicle.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKP builds this control arm from high-strength steel and applies a corrosion-resistant finish for durability in demanding road conditions.\u003c\/p\u003e","brand":"SKP","offers":[{"title":"Default Title","offer_id":53275126202549,"sku":"GQLW-SK521979K2","price":70.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/5K_SK521979K2_Fro.jpg?v=1789536389","url":"https:\/\/www.partcatalog.com\/products\/skp-sk521979k2-suspension-control-arm-rear-left-upper-rear-right-upper-or-rear-upper","provider":"PartCatalog","version":"1.0","type":"link"}