{"title":"2020-2027 GMC Sierra 3500HD OEM-Style Running Boards","description":"\u003cp\u003eShop aftermarket 6-inch running boards with an OEM-style, factory-inspired appearance for GMC Sierra 3500HD applications in this 2020-2027 collection. Confirm the exact model year and cab configuration on the individual product page before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e2027 availability:\u003c\/strong\u003e This collection is reserved for confirmed 2027 GMC Sierra 3500HD products. Compatible products will be added as they become available in the coming months. Until then, check the individual product page for the exact supported model years before ordering.\u003c\/p\u003e\u003ch2\u003eFitment First\u003c\/h2\u003e\u003cp\u003eThe current live products reviewed are labeled for 2020-2026 Crew Cab, Double Cab, and Regular Cab applications. Do not use the collection title as product-level 2027 confirmation, and do not substitute one cab application for another unless the individual listing specifically supports both.\u003c\/p\u003e\u003ch2\u003eCompare OEM-Style Running Boards\u003c\/h2\u003e\u003cp\u003eThis collection currently includes 6-inch black and stainless-finish running boards. “OEM style” describes a factory-inspired appearance theme; these are aftermarket products unless an individual listing expressly states otherwise.\u003c\/p\u003e\u003ch2\u003eRelated GMC Sierra 3500HD Collections\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/gmc-sierra-3500hd-2020-2027-running-boards-nerf-bars\"\u003e2020-2027 GMC Sierra 3500HD Running Boards \u0026amp; Nerf Bars\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/2020-2027-gmc-sierra-3500hd-crew-cab-drop-step-nerf-bars\"\u003e2020-2027 GMC Sierra 3500HD Crew Cab Drop-Step Nerf Bars\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/2020-2027-gmc-sierra-3500hd-5-inch-running-boards\"\u003e2020-2027 GMC Sierra 3500HD 5-Inch Running Boards\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/nerf-bars-6-inch\"\u003e6-Inch Running Boards \u0026amp; Nerf Bars\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eDo the current products confirm 2027 fitment?\u003c\/h3\u003e\u003cp\u003eNo. The current live products reviewed are labeled through 2026. For a 2027 Sierra 3500HD, choose only a product page that explicitly lists 2027.\u003c\/p\u003e\u003ch3\u003eHow do I verify fitment?\u003c\/h3\u003e\u003cp\u003eConfirm the exact model year and cab configuration, then use the individual product page as the controlling fitment source.\u003c\/p\u003e\u003ch3\u003eAre the cab applications interchangeable?\u003c\/h3\u003e\u003cp\u003eDo not assume so. Select a board specifically listed for the truck’s cab and review its stated dimensions, package contents, exclusions, and installation information.\u003c\/p\u003e\u003ch3\u003eWhat does OEM style mean here?\u003c\/h3\u003e\u003cp\u003eIt describes a factory-inspired appearance theme. It does not mean the products are genuine GMC or General Motors parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAftermarket trademark disclaimer:\u003c\/strong\u003e People Auto Parts is not affiliated with, sponsored by, or endorsed by General Motors LLC. GMC, Sierra, GM, OEM, and related trademarks belong to their respective owners and are used only to identify compatible applications or appearance style. Products are aftermarket parts unless an individual listing expressly states otherwise.\u003c\/p\u003e","products":[{"product_id":"gmc-sierra-3500hd-crew-cab-2020-2026-new-running-boards-stainless-6-inches-186471","title":"GMC Sierra 3500HD Crew Cab 2020-2026 New Running Boards Stainless 6 Inches","description":"\u003c!-- PAP PRODUCT SEO SPRINT 2026-08-02 BATCH 26 --\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 3500HD Crew Cab 2020-2026\u003c\/strong\u003e: 6-inch running boards. Confirm the exact year, model and body configuration before ordering.\u003c\/p\u003e\u003ch2\u003eFitment and Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed application:\u003c\/strong\u003e GMC Sierra 3500HD Crew Cab 2020-2026\u003c\/li\u003e\n\u003cli\u003eStainless steel with a polished stainless steel finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment note:\u003c\/strong\u003e Fit 3500HD Crew Cab models. Do not fit Classic body.\u003c\/li\u003e\n\u003cli\u003eDriver- and passenger-side boards, mounting brackets, hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp data-pap-faq-item=\"1\"\u003e\u003cstrong\u003eWhat is the listed fitment?\u003c\/strong\u003e\u003cbr\u003eGMC Sierra 3500HD Crew Cab 2020-2026.\u003c\/p\u003e\u003cp data-pap-faq-item=\"2\"\u003e\u003cstrong\u003eWhat material and finish are listed?\u003c\/strong\u003e\u003cbr\u003eStainless steel with a polished stainless steel finish.\u003c\/p\u003e\u003cp data-pap-faq-item=\"3\"\u003e\u003cstrong\u003eAre both sides included?\u003c\/strong\u003e\u003cbr\u003eYes. The source listing includes driver- and passenger-side boards with mounting hardware.\u003c\/p\u003e\u003cp data-pap-faq-item=\"4\"\u003e\u003cstrong\u003eWhat fitment restriction should I check?\u003c\/strong\u003e\u003cbr\u003eFit 3500HD Crew Cab models. Do not fit Classic body.\u003c\/p\u003e\u003cp\u003e\u003ca data-pap-internal-link=\"1\" href=\"\/collections\/running-boards-nerf-bars\"\u003eRunning Boards \u0026amp; Nerf Bars\u003c\/a\u003e | \u003ca data-pap-internal-link=\"2\" href=\"\/collections\/nerf-bars-6-inch\"\u003e6-Inch Side Steps\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eVehicle and model names are trademarks of their respective owners. People Auto Parts is an independent aftermarket retailer and is not affiliated with, sponsored by, or endorsed by the vehicle manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"People Auto Parts","offers":[{"title":"Default Title","offer_id":46090226466981,"sku":"186471","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/4967\/7733\/files\/S6-SSMAIN_WITHOUTBRACKETS_cb7330dc-b63c-4a3d-b447-2c26c2c0c40b.jpg?v=1778549349"},{"product_id":"gmc-sierra-3500hd-double-cab-2020-2026-new-running-boards-stainless-6-inches-186475","title":"GMC Sierra 3500HD Double Cab 2020-2026 New Running Boards Stainless 6 Inches","description":"\u003c!-- PAP PRODUCT SEO SPRINT 2026-08-02 BATCH 26 --\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 3500HD Double Cab 2020-2026\u003c\/strong\u003e: 6-inch running boards. Confirm the exact year, model and body configuration before ordering.\u003c\/p\u003e\u003ch2\u003eFitment and Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed application:\u003c\/strong\u003e GMC Sierra 3500HD Double Cab 2020-2026\u003c\/li\u003e\n\u003cli\u003eStainless steel with a polished stainless steel finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment note:\u003c\/strong\u003e Fit 3500HD Double Cab models. Do not fit Classic body.\u003c\/li\u003e\n\u003cli\u003eDriver- and passenger-side boards, mounting brackets, hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp data-pap-faq-item=\"1\"\u003e\u003cstrong\u003eWhat is the listed fitment?\u003c\/strong\u003e\u003cbr\u003eGMC Sierra 3500HD Double Cab 2020-2026.\u003c\/p\u003e\u003cp data-pap-faq-item=\"2\"\u003e\u003cstrong\u003eWhat material and finish are listed?\u003c\/strong\u003e\u003cbr\u003eStainless steel with a polished stainless steel finish.\u003c\/p\u003e\u003cp data-pap-faq-item=\"3\"\u003e\u003cstrong\u003eAre both sides included?\u003c\/strong\u003e\u003cbr\u003eYes. The source listing includes driver- and passenger-side boards with mounting hardware.\u003c\/p\u003e\u003cp data-pap-faq-item=\"4\"\u003e\u003cstrong\u003eWhat fitment restriction should I check?\u003c\/strong\u003e\u003cbr\u003eFit 3500HD Double Cab models. Do not fit Classic body.\u003c\/p\u003e\u003cp\u003e\u003ca data-pap-internal-link=\"1\" href=\"\/collections\/running-boards-nerf-bars\"\u003eRunning Boards \u0026amp; Nerf Bars\u003c\/a\u003e | \u003ca data-pap-internal-link=\"2\" href=\"\/collections\/nerf-bars-6-inch\"\u003e6-Inch Side Steps\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eVehicle and model names are trademarks of their respective owners. People Auto Parts is an independent aftermarket retailer and is not affiliated with, sponsored by, or endorsed by the vehicle manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"People Auto Parts","offers":[{"title":"Default Title","offer_id":46090226598053,"sku":"186475","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/4967\/7733\/files\/S6-SSMAIN_WITHOUTBRACKETS_57f66dc2-3d15-4e44-991a-051d81f10f47.jpg?v=1778550308"},{"product_id":"gmc-sierra-3500hd-regular-cab-2020-2026-new-running-boards-stainless-6-inches-186479","title":"GMC Sierra 3500HD Regular Cab 2020-2026 New Running Boards Stainless 6 Inches","description":"\u003c!-- PAP PRODUCT SEO SPRINT 2026-08-02 BATCH 26 --\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 3500HD Regular Cab 2020-2026\u003c\/strong\u003e: 6-inch running boards. Confirm the exact year, model and body configuration before ordering.\u003c\/p\u003e\u003ch2\u003eFitment and Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed application:\u003c\/strong\u003e GMC Sierra 3500HD Regular Cab 2020-2026\u003c\/li\u003e\n\u003cli\u003eStainless steel with a polished stainless steel finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment note:\u003c\/strong\u003e Fit 3500HD Regular Cab models. Do not fit Classic body.\u003c\/li\u003e\n\u003cli\u003eDriver- and passenger-side boards, mounting brackets, hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp data-pap-faq-item=\"1\"\u003e\u003cstrong\u003eWhat is the listed fitment?\u003c\/strong\u003e\u003cbr\u003eGMC Sierra 3500HD Regular Cab 2020-2026.\u003c\/p\u003e\u003cp data-pap-faq-item=\"2\"\u003e\u003cstrong\u003eWhat material and finish are listed?\u003c\/strong\u003e\u003cbr\u003eStainless steel with a polished stainless steel finish.\u003c\/p\u003e\u003cp data-pap-faq-item=\"3\"\u003e\u003cstrong\u003eAre both sides included?\u003c\/strong\u003e\u003cbr\u003eYes. The source listing includes driver- and passenger-side boards with mounting hardware.\u003c\/p\u003e\u003cp data-pap-faq-item=\"4\"\u003e\u003cstrong\u003eWhat fitment restriction should I check?\u003c\/strong\u003e\u003cbr\u003eFit 3500HD Regular Cab models. Do not fit Classic body.\u003c\/p\u003e\u003cp\u003e\u003ca data-pap-internal-link=\"1\" href=\"\/collections\/running-boards-nerf-bars\"\u003eRunning Boards \u0026amp; Nerf Bars\u003c\/a\u003e | \u003ca data-pap-internal-link=\"2\" href=\"\/collections\/nerf-bars-6-inch\"\u003e6-Inch Side Steps\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eVehicle and model names are trademarks of their respective owners. People Auto Parts is an independent aftermarket retailer and is not affiliated with, sponsored by, or endorsed by the vehicle manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"People Auto Parts","offers":[{"title":"Default Title","offer_id":46090226860197,"sku":"186479","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/4967\/7733\/files\/S6-REG-SS-1.jpg?v=1778549247"},{"product_id":"gmc-sierra-3500hd-crew-cab-2020-2026-new-running-boards-black-6-inches-187867","title":"GMC Sierra 3500HD Crew Cab 2020-2026 New Running Boards Black 6 Inches","description":"\u003c!-- PAP PRODUCT SEO SPRINT 2026-08-02 BATCH 28 --\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 3500HD Crew Cab 2020-2026\u003c\/strong\u003e: 6-inch running boards. Confirm the exact year, model and body configuration before ordering.\u003c\/p\u003e\u003ch2\u003eFitment and Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed application:\u003c\/strong\u003e GMC Sierra 3500HD Crew Cab 2020-2026\u003c\/li\u003e\n\u003cli\u003eHeavy-duty carbon steel with a black finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment note:\u003c\/strong\u003e Fit 3500HD Crew Cab models. Do not fit Classic body.\u003c\/li\u003e\n\u003cli\u003eDriver- and passenger-side boards, mounting brackets, hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp data-pap-faq-item=\"1\"\u003e\u003cstrong\u003eWhat is the listed fitment?\u003c\/strong\u003e\u003cbr\u003eGMC Sierra 3500HD Crew Cab 2020-2026.\u003c\/p\u003e\u003cp data-pap-faq-item=\"2\"\u003e\u003cstrong\u003eWhat material and finish are listed?\u003c\/strong\u003e\u003cbr\u003eHeavy-duty carbon steel with a black finish.\u003c\/p\u003e\u003cp data-pap-faq-item=\"3\"\u003e\u003cstrong\u003eAre both sides included?\u003c\/strong\u003e\u003cbr\u003eYes. The source listing includes driver- and passenger-side boards with mounting hardware.\u003c\/p\u003e\u003cp data-pap-faq-item=\"4\"\u003e\u003cstrong\u003eWhat fitment restriction should I check?\u003c\/strong\u003e\u003cbr\u003eFit 3500HD Crew Cab models. Do not fit Classic body.\u003c\/p\u003e\u003cp\u003e\u003ca data-pap-internal-link=\"1\" href=\"\/collections\/running-boards-nerf-bars\"\u003eRunning Boards \u0026amp; Nerf Bars\u003c\/a\u003e | \u003ca data-pap-internal-link=\"2\" href=\"\/collections\/nerf-bars-6-inch\"\u003e6-Inch Side Steps\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eVehicle and model names are trademarks of their respective owners. People Auto Parts is an independent aftermarket retailer and is not affiliated with, sponsored by, or endorsed by the vehicle manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"People Auto Parts","offers":[{"title":"Default Title","offer_id":46090231775397,"sku":"187867","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/4967\/7733\/files\/S6-BLKMAIN_WITHOUTBRACKETS_02aa4e21-0444-4ee8-a221-1d8d738e16af.jpg?v=1778640311"},{"product_id":"gmc-sierra-3500hd-double-cab-2020-2026-new-running-boards-black-6-inches-187871","title":"GMC Sierra 3500HD Double Cab 2020-2026 New Running Boards Black 6 Inches","description":"\u003c!-- PAP PRODUCT SEO SPRINT 2026-08-02 BATCH 28 --\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 3500HD Double Cab 2020-2026\u003c\/strong\u003e: 6-inch running boards. Confirm the exact year, model and body configuration before ordering.\u003c\/p\u003e\u003ch2\u003eFitment and Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed application:\u003c\/strong\u003e GMC Sierra 3500HD Double Cab 2020-2026\u003c\/li\u003e\n\u003cli\u003eHeavy-duty carbon steel with a black finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment note:\u003c\/strong\u003e Fit 3500HD Double Cab models. Do not fit Classic body.\u003c\/li\u003e\n\u003cli\u003eDriver- and passenger-side boards, mounting brackets, hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp data-pap-faq-item=\"1\"\u003e\u003cstrong\u003eWhat is the listed fitment?\u003c\/strong\u003e\u003cbr\u003eGMC Sierra 3500HD Double Cab 2020-2026.\u003c\/p\u003e\u003cp data-pap-faq-item=\"2\"\u003e\u003cstrong\u003eWhat material and finish are listed?\u003c\/strong\u003e\u003cbr\u003eHeavy-duty carbon steel with a black finish.\u003c\/p\u003e\u003cp data-pap-faq-item=\"3\"\u003e\u003cstrong\u003eAre both sides included?\u003c\/strong\u003e\u003cbr\u003eYes. The source listing includes driver- and passenger-side boards with mounting hardware.\u003c\/p\u003e\u003cp data-pap-faq-item=\"4\"\u003e\u003cstrong\u003eWhat fitment restriction should I check?\u003c\/strong\u003e\u003cbr\u003eFit 3500HD Double Cab models. Do not fit Classic body.\u003c\/p\u003e\u003cp\u003e\u003ca data-pap-internal-link=\"1\" href=\"\/collections\/running-boards-nerf-bars\"\u003eRunning Boards \u0026amp; Nerf Bars\u003c\/a\u003e | \u003ca data-pap-internal-link=\"2\" href=\"\/collections\/nerf-bars-6-inch\"\u003e6-Inch Side Steps\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eVehicle and model names are trademarks of their respective owners. People Auto Parts is an independent aftermarket retailer and is not affiliated with, sponsored by, or endorsed by the vehicle manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"People Auto Parts","offers":[{"title":"Default Title","offer_id":46090231972005,"sku":"187871","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/4967\/7733\/files\/S6-BLKMAIN_WITHOUTBRACKETS_e8c2a34f-3974-4c72-a0f6-0ee8a93602c0.jpg?v=1778640285"},{"product_id":"gmc-sierra-3500hd-regular-cab-2020-2026-new-running-boards-black-6-inches-187875","title":"GMC Sierra 3500HD Regular Cab 2020-2026 New Running Boards Black 6 Inches","description":"\u003c!-- PAP PRODUCT SEO SPRINT 2026-08-02 BATCH 28 --\u003e\u003cp\u003e\u003cstrong\u003eGMC Sierra 3500HD Regular Cab 2020-2026\u003c\/strong\u003e: 6-inch running boards. Confirm the exact year, model and body configuration before ordering.\u003c\/p\u003e\u003ch2\u003eFitment and Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed application:\u003c\/strong\u003e GMC Sierra 3500HD Regular Cab 2020-2026\u003c\/li\u003e\n\u003cli\u003eHeavy-duty carbon steel with a black finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment note:\u003c\/strong\u003e Fit 3500HD Regular Cab models. Do not fit Classic body.\u003c\/li\u003e\n\u003cli\u003eDriver- and passenger-side boards, mounting brackets, hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp data-pap-faq-item=\"1\"\u003e\u003cstrong\u003eWhat is the listed fitment?\u003c\/strong\u003e\u003cbr\u003eGMC Sierra 3500HD Regular Cab 2020-2026.\u003c\/p\u003e\u003cp data-pap-faq-item=\"2\"\u003e\u003cstrong\u003eWhat material and finish are listed?\u003c\/strong\u003e\u003cbr\u003eHeavy-duty carbon steel with a black finish.\u003c\/p\u003e\u003cp data-pap-faq-item=\"3\"\u003e\u003cstrong\u003eAre both sides included?\u003c\/strong\u003e\u003cbr\u003eYes. The source listing includes driver- and passenger-side boards with mounting hardware.\u003c\/p\u003e\u003cp data-pap-faq-item=\"4\"\u003e\u003cstrong\u003eWhat fitment restriction should I check?\u003c\/strong\u003e\u003cbr\u003eFit 3500HD Regular Cab models. Do not fit Classic body.\u003c\/p\u003e\u003cp\u003e\u003ca data-pap-internal-link=\"1\" href=\"\/collections\/running-boards-nerf-bars\"\u003eRunning Boards \u0026amp; Nerf Bars\u003c\/a\u003e | \u003ca data-pap-internal-link=\"2\" href=\"\/collections\/nerf-bars-6-inch\"\u003e6-Inch Side Steps\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eVehicle and model names are trademarks of their respective owners. People Auto Parts is an independent aftermarket retailer and is not affiliated with, sponsored by, or endorsed by the vehicle manufacturer.\u003c\/small\u003e\u003c\/p\u003e","brand":"People Auto Parts","offers":[{"title":"Default Title","offer_id":46090232496293,"sku":"187875","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/4967\/7733\/files\/S6-BLK-1_8ee2445b-2736-47a9-ab58-7daac9ed8a48.jpg?v=1778640242"}],"url":"https:\/\/www.peopleautoparts.com\/collections\/oem-style-running-boards-for-gmc-sierra-3500hd-2020-2027.oembed","provider":"People Auto Parts","version":"1.0","type":"link"}