{"product_id":"acdelco-rear-brake-rotor-for-chevy-gmc-trucks-and-suvs-18a926a-gm-19241878-silver-vehicle-specific-vane-design-for-better-co","title":"ACDelco Rear Brake Rotor for Chevy\/GMC Trucks and SUVs — 18A926A (GM 19241878), Silver, Vehicle-Specific Vane Design for Better Co","description":"\u003cp\u003e\u003cstrong\u003eACDelco Silver Rear Brake Rotor 18A926A (GM 19241878) is a single, vehicle-specific rear rotor engineered for improved cooling, quieter operation, and longer pad life on select Chevy and GMC models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ACDelco Silver rear rotor is a replacement-grade cast-iron disc designed for compatibility with many GM trucks and large SUVs from the 2007–2018 era. Manufactured with multi-alloy metallurgy and an application-specific internal vane design, the rotor promotes heat transfer and consistent braking performance under routine driving loads. Its non-directional ground finish helps reduce noise and ensures uniform pad contact, while rounded edges add structural durability for daily use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this rotor manage heat and reduce brake fade?\u003c\/h3\u003e\n\u003cp\u003eOptimized vane geometry and multi-alloy construction channel air through the rotor to dissipate heat faster than generic blanks. Lower operating temperature reduces the chance of brake fade during repeated stops, keeping pedal feel consistent.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApplication-specific internal vanes for improved airflow\u003c\/li\u003e\n  \u003cli\u003eMulti-alloy cast iron that conducts and spreads heat evenly\u003c\/li\u003e\n  \u003cli\u003eRounded radius edges that strengthen the rotor under thermal stress\u003c\/li\u003e\n  \u003cli\u003eHelps maintain braking performance on repeated deceleration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this rotor help reduce brake noise and vibration?\u003c\/h3\u003e\n\u003cp\u003eThe rotor’s non-directional ground finish and balanced casting are engineered to minimize NVH (noise, vibration, and harshness). That smoother contact surface reduces chatter and uneven wear that often causes squeal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-directional finish for even pad-to-disc contact\u003c\/li\u003e\n  \u003cli\u003eBalanced design to limit vibration through the hub and caliper\u003c\/li\u003e\n  \u003cli\u003eSmoother surface reduces initial bedding noise with new pads\u003c\/li\u003e\n  \u003cli\u003ePairs well with OEM or ACDelco brake pads for quieter operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this rotor affect brake pad life and maintenance?\u003c\/h3\u003e\n\u003cp\u003eA consistent, smooth rotor face diminishes pad thickness variation and scarring, which helps extend pad service intervals. Using matched ACDelco rear pads can further improve longevity and create a dependable service pattern.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmooth machined surface lowers irregular pad wear\u003c\/li\u003e\n  \u003cli\u003eReduced thickness variation delays the need for resurfacing\u003c\/li\u003e\n  \u003cli\u003eFits common OEM pad profiles for straightforward replacement\u003c\/li\u003e\n  \u003cli\u003eSold individually so you can replace one side or both as needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles does this rotor fit and how do I confirm fitment?\u003c\/h3\u003e\n\u003cp\u003eThis rotor is built to match several Chevrolet and GMC heavy-duty and passenger van platforms from selected model years. To avoid fitment mistakes, validate compatibility using your vehicle identification number (VIN) through the Confirmed Fit tool before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with select Chevy Silverado, Suburban, Avalanche, and Express models\u003c\/li\u003e\n  \u003cli\u003eAlso fits GMC Sierra, Savana, and Yukon XL variants in specific years\u003c\/li\u003e\n  \u003cli\u003eEach listing references the GM part number 19241878 for cross-checking\u003c\/li\u003e\n  \u003cli\u003eUse the VIN Confirmed Fit tool to verify exact match in three steps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This ACDelco Silver rear rotor is aimed at owners and technicians who want an affordable, OEM-backed replacement for rear brake discs on select GM trucks, vans, and large SUVs. It’s a practical choice for routine maintenance and light-to-moderate towing or hauling, offering improved cooling and quieter braking without stepping up to premium drilled or slotted designs. If you need vehicle-specific reliability, easy installation, and longer pad life from a trusted GM-backed brand, this rotor is a strong match. Remember to confirm your VIN fitment before purchase and consider replacing pads at the same service interval for optimal results.\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: Is this rotor sold individually or as a pair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes one rear rotor; order two if replacing both sides.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this rotor with aftermarket brake pads?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it works with OEM or quality aftermarket pads; matching ACDelco pads is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":48084158120094,"sku":"B0031I809G","price":103.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/acdelco-rear-rotor-front-face.jpg?v=1785847673","url":"https:\/\/northtrailauto.ca\/products\/acdelco-rear-brake-rotor-for-chevy-gmc-trucks-and-suvs-18a926a-gm-19241878-silver-vehicle-specific-vane-design-for-better-co","provider":"North Trail Auto","version":"1.0","type":"link"}