{"product_id":"dorman-rear-disc-brake-caliper-bolt-hw5939-oem-fit-corrosion-resistant-replacement","title":"Dorman Rear Disc Brake Caliper Bolt HW5939 — OEM-fit, Corrosion-Resistant Replacement","description":"\u003cp\u003e\u003cstrong\u003eThe Dorman HW5939 rear disc brake caliper bolt is a direct-fit replacement designed to restore secure caliper mounting and reliable braking performance on the specified GM and related vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement caliper bolt is manufactured to match the original part's dimensions and function so you can reinstall a brake caliper with confidence after a lost or fatigued fastener. Built from durable materials and covered by Dorman's product expertise, the HW5939 is intended for owners and technicians who need a dependable, service-ready bolt that fits the factory mounting points on select Buick, Cadillac, Chevrolet, GMC, Isuzu and Saturn models. Always verify your vehicle trim with the fitment tool before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWill this bolt fit my vehicle model and year?\u003c\/h3\u003e\n\u003cp\u003eThe HW5939 is compatible with a range of GM-platform vehicles across specific years listed by the manufacturer. Fitment depends on vehicle make, model year and trim, so checking the garage tool ensures correct selection. If your vehicle appears in the compatible list, this bolt replaces the original caliper fastener at the rear disc brake assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible makes: Buick, Cadillac, Chevrolet, GMC, Isuzu, Saturn\u003c\/li\u003e\n  \u003cli\u003eRepresentative models: Enclave, CTS, SRX, SSR, Trailblazer, Traverse, Acadia, Envoy, Ascender, Outlook\u003c\/li\u003e\n  \u003cli\u003eModel years: covers multiple years from early 2000s to 2011 depending on model\u003c\/li\u003e\n  \u003cli\u003eAlways confirm exact trim and axle\/ brake configuration with the fitment tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the HW5939 built and how long will it last?\u003c\/h3\u003e\n\u003cp\u003eDorman designs this caliper bolt from quality metals to provide a long service life under normal driving conditions. The bolt is engineered to resist fatigue and maintain clamp force required for safe caliper mounting, delivering a practical solution when the original bolt is corroded, rounded or missing. Routine inspection during brake service helps ensure longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed from corrosion-resistant metal for durability\u003c\/li\u003e\n  \u003cli\u003eManufactured to OEM-matching dimensions for proper engagement\u003c\/li\u003e\n  \u003cli\u003eIntended as a like-for-like replacement for failed bolts\u003c\/li\u003e\n  \u003cli\u003eBacked by Dorman's technical support and product validation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install this bolt myself and what tools are required?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic brake-service procedures; the bolt secures the rear caliper to its bracket in the same way as the factory piece. Use the correct size socket or wrench and follow proper torque specifications from the vehicle manufacturer to avoid over- or under-tightening. If you are not experienced with brake work, a professional mechanic can complete the job quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical tools: socket or wrench set, torque wrench for final tightening\u003c\/li\u003e\n  \u003cli\u003eInstallation aligns with standard caliper mounting steps\u003c\/li\u003e\n  \u003cli\u003eReplace any damaged or missing hardware and check for caliper movement\u003c\/li\u003e\n  \u003cli\u003eTorque to vehicle maker’s specification for safety and wear prevention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check after replacing a caliper bolt?\u003c\/h3\u003e\n\u003cp\u003eAfter installation, visually confirm the bolt is fully seated and torqued, then perform a brief test drive to listen for unusual noises and verify brake feel. Re-inspect the fastener after the first few miles of service to ensure it remains secure. Regular brake inspections during routine maintenance will help catch any developing issues early.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify bolt head is flush and threads properly engaged\u003c\/li\u003e\n  \u003cli\u003eConfirm torque specification is met and recheck after short road test\u003c\/li\u003e\n  \u003cli\u003eInspect surrounding components for wear, corrosion or misalignment\u003c\/li\u003e\n  \u003cli\u003eMonitor braking performance and address any unusual vibration or noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this part for: The Dorman HW5939 rear disc brake caliper bolt is intended for DIYers, independent repair shops and fleet technicians servicing compatible GM-platform vehicles that need a reliable replacement fastener. It’s appropriate when the original bolt is corroded, stripped, lost during brake work, or has failed from fatigue. If you require an OEM-matching, durable caliper mounting bolt and you confirm fitment for your model and year, this Dorman replacement provides a practical, vehicle-specific solution.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFeatures: direct replacement, durable construction, reliable fit\u003c\/li\u003e\n  \u003cli\u003eReminder: always confirm vehicle fitment using the garage tool before purchase\u003c\/li\u003e\n\u003c\/ul\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: Is the Dorman HW5939 the same size as the original bolt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—HW5939 is manufactured to match the factory bolt’s dimensions for the listed models, but confirm fitment with your vehicle details first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special hardware when installing this bolt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special hardware is required; use standard sockets and a torque wrench and follow the vehicle manufacturer’s torque specs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":48084397260958,"sku":"B007R2JQOA","price":32.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dorman-hw5939-caliper-bolt-front-view.jpg?v=1785853674","url":"https:\/\/northtrailauto.ca\/products\/dorman-rear-disc-brake-caliper-bolt-hw5939-oem-fit-corrosion-resistant-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}