{"product_id":"bst-bssp-rear-upper-trailing-control-arms-pair-for-02-09-envoy-trailblazer-9-7x-ascender-pre-installed-bushings-direct-fit","title":"BST BSSP Rear Upper Trailing Control Arms Pair for 02-09 Envoy TrailBlazer 9-7x Ascender — Pre-Installed Bushings, Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eBST BSSP rear upper trailing control arm pair with pre-installed bushings replaces factory parts for 2002–2009 Envoy, TrailBlazer, 9-7x and Ascender models without air level suspension.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your SUV’s rear handling feels loose or you see uneven tire wear, worn upper control arms are a common cause. This replacement kit from BST BSSP includes both left and right rear upper trailing control arms with bushings, sold as a pair to restore suspension geometry and stability. The components are direct-fit items engineered for vehicles using conventional rear suspension (not equipped with air level systems).\u003c\/p\u003e\n\n\u003ch3\u003eHow will these control arms improve my vehicle's rear stability?\u003c\/h3\u003e\n\u003cp\u003eReplacing tired control arms renews the mounting points that keep the wheel aligned under load, which reduces wander and improves cornering predictability. The included bushings absorb road shock and limit unwanted movement for a firmer, more controlled rear end.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePair includes driver and passenger rear upper trailing arms for balanced handling.\u003c\/li\u003e\n  \u003cli\u003ePre-installed bushings reduce vibration and improve wheel tracking.\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement design simplifies installation using existing hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich exact models and part numbers fit with this kit?\u003c\/h3\u003e\n\u003cp\u003eThis control arm kit targets 2002–2009 GM midsize SUVs and crossovers that use conventional rear suspension setups. It matches OE fitment numbers so you can confirm compatibility before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible makes\/models: Envoy, TrailBlazer, 9-7x, Ascender (without air level suspension).\u003c\/li\u003e\n  \u003cli\u003eRelevant part numbers: 15069837, 15069838, 15069840 plus cross-references 505-00178, 521-979, 8150698370, K660155.\u003c\/li\u003e\n  \u003cli\u003eSold as a pair: (1) rear driver-side upper control arm and (1) rear passenger-side upper control arm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what should I expect during installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships ready-to-install with both trailing arms and their bushings, so you won't need to press-in separate components in most cases. Installation typically requires basic suspension tools and common shop procedures of removing the old arms and torquing the replacement hardware to factory specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: two rear upper trailing control arms with bushings (driver and passenger).\u003c\/li\u003e\n  \u003cli\u003eType: Rear upper control arm kit, direct replacements for non-air-level systems.\u003c\/li\u003e\n  \u003cli\u003eNote: Use factory torque specs and inspect surrounding suspension parts during replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these parts come with a warranty or seller support?\u003c\/h3\u003e\n\u003cp\u003eBST BSSP provides product support through the seller; reach out via message for questions or assistance. The listing indicates responsive customer service with typical reply times to help with fitment or returns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContact option: message seller for questions and parts support.\u003c\/li\u003e\n  \u003cli\u003eResponse window: seller indicates answers within approximately 12 hours.\u003c\/li\u003e\n  \u003cli\u003eVerify return\/warranty terms with the seller before purchase for full protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The BST BSSP rear upper control arm pair is intended for owners and mechanics servicing 2002–2009 Envoy, TrailBlazer, 9-7x and Ascender models that have conventional rear suspensions and need direct-fit replacements. Choose this kit if you want a complete left-and-right solution with bushings included for faster installation and restored rear-end stability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these control arms compatible with air level suspension?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This kit fits models without air level suspension only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the arms include bushings or do I need to press them in?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Bushings are included pre-installed, so no separate pressing is normally required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BST BSSP","offers":[{"title":"Default Title","offer_id":48084087537822,"sku":"B0B93HKJKT","price":79.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bst-bssp-rear-upper-control-arm-pair-front-view.jpg?v=1785846050","url":"https:\/\/northtrailauto.ca\/products\/bst-bssp-rear-upper-trailing-control-arms-pair-for-02-09-envoy-trailblazer-9-7x-ascender-pre-installed-bushings-direct-fit","provider":"North Trail Auto","version":"1.0","type":"link"}