{"product_id":"garrett-powermax-gt3788v-turbocharger-kit-6-6l-duramax-lml-2011-2014-gmc-sierra-2500","title":"Garrett PowerMax GT3788V Turbocharger Kit - 6.6L Duramax LML | 2011-2014 GMC Sierra 2500","description":"\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Garrett PowerMax GT3788V Turbocharger Kit - 6.6L Duramax LML | 2011-2014 GMC Sierra 2500\",\"description\":\"Fits 2011-2014 GMC Sierra 2500. This drop-in turbocharger replaces the factory LML Duramax unit with a Garrett PowerMax GT3788V, engineered for higher flow and quicker spool.The upgraded compressor and turbine wheels support meaningful power gains while retaining stock mounting locations, oil feed, and coolant lines.Ideal for LML owners chasing more towing muscle or the headroom to run a performance tune safely.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Garrett\"},\"offers\":{\"@type\":\"Offer\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"Stateside Performance\"}},\"vehicleConfiguration\":\"2011-2014 GMC Sierra 2500\"}\u003c\/script\u003e\n\u003cstyle\u003e\n.sp-product-body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:16px;line-height:1.6;color:#1a1a1a;max-width:800px}\n.sp-product-body h2{font-size:1.15em;font-weight:700;margin:1.4em 0 .5em;padding-bottom:.3em;border-bottom:2px solid #f0f0f0;letter-spacing:-.01em}\n.sp-product-body p{margin:.6em 0;font-size:1em;line-height:1.65}\n.sp-product-body ul{padding-left:1.3em;margin:.5em 0}\n.sp-product-body li{margin:.35em 0;font-size:.97em;line-height:1.55}\n.sp-product-body li strong{color:#111}\n.sp-fitment-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1em 0;border-radius:6px;border:1px solid #e2e2e2}\n.sp-fitment-table{width:100%;border-collapse:collapse;font-size:.88em;min-width:420px}\n.sp-fitment-table thead tr{background:#f7f7f7}\n.sp-fitment-table th{text-align:left;padding:9px 12px;font-weight:600;font-size:.82em;text-transform:uppercase;letter-spacing:.04em;color:#555;border-bottom:2px solid #e2e2e2;white-space:nowrap}\n.sp-fitment-table td{padding:8px 12px;border-bottom:1px solid #ebebeb;vertical-align:top;color:#2a2a2a}\n.sp-fitment-table tbody tr:last-child td{border-bottom:none}\n.sp-fitment-table tbody tr:nth-child(even){background:#fafafa}\n@media(max-width:600px){.sp-product-body{font-size:15px}.sp-product-body h2{font-size:1.1em}.sp-fitment-table{font-size:.83em}.sp-fitment-table th,.sp-fitment-table td{padding:7px 9px}}\n\u003c\/style\u003e\n\u003cdiv class=\"sp-product-body\"\u003e\n\u003cp\u003eThe Garrett PowerMax GT3788V Turbo Kit fits the 2011-2014 GMC Sierra 2500 6.6L Duramax LML and delivers a direct bolt-on turbo upgrade for more airflow and boost.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #f0c8b0;background:#fef5f0;padding:12px 16px;border-radius:8px;margin:16px 0;display:flex;align-items:flex-start;gap:12px\"\u003e\n\u003cspan style=\"font-size:24px;line-height:1;flex-shrink:0\" aria-hidden=\"true\"\u003e🔧\u003c\/span\u003e\u003cdiv style=\"flex:1\"\u003e\n\u003cstrong style=\"color:#b85a1f;font-size:15px\"\u003eInstall Difficulty: Professional Install Only\u003c\/strong\u003e\u003cdiv style=\"color:#444;font-size:14px;line-height:1.45;margin-top:2px\"\u003eTurbocharger replacement on the LML Duramax requires exhaust and intake disassembly, oil and coolant line service, and typically takes 6-8 hours on a vehicle lift. Professional ECU tune recommended after installation to safely manage the increased airflow and boost.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThis drop-in turbocharger replaces the factory LML Duramax unit with a Garrett PowerMax GT3788V, engineered for higher flow and quicker spool.\u003c\/p\u003e\n\u003cp\u003eThe upgraded compressor and turbine wheels support meaningful power gains while retaining stock mounting locations, oil feed, and coolant lines.\u003c\/p\u003e\n\u003cp\u003eIdeal for LML owners chasing more towing muscle or the headroom to run a performance tune safely.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFits: 2011-2014 GMC Sierra 2500\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFits 6.6L Duramax LML diesel only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on replacement for factory LML turbo\u003c\/li\u003e\n\u003cli\u003eGarrett PowerMax GT3788V variable geometry turbocharger\u003c\/li\u003e\n\u003cli\u003eUpgraded compressor and turbine wheels for more airflow\u003c\/li\u003e\n\u003cli\u003eRetains factory oil, coolant, and mounting locations\u003c\/li\u003e\n\u003cli\u003eSupports higher boost for towing and performance builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eProfessional tune recommended\u003c\/u\u003e\u003c\/strong\u003e -- this forced-induction component changes airflow and boost, so proper ECU calibration is recommended to safely realize its performance and avoid lean or over-boost conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eThis part fits the following vehicles:\u003c\/p\u003e\n\u003cdiv class=\"sp-fitment-wrap\"\u003e\n\u003ctable class=\"sp-fitment-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:12px 0;padding:10px 14px;background:#fff8e6;border-left:4px solid #f59e0b;border-radius:4px;font-size:.93em;line-height:1.5;color:#5a4a1a\"\u003e\n\u003cstrong\u003e⚠ Submodel Fitment:\u003c\/strong\u003e If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Garrett","offers":[{"title":"Default Title","offer_id":62721731657809,"sku":"GRT886976-5004S","price":3069.81,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9029\/7425\/files\/garrett-powermax-gt3788v-turbocharger-kit-66l-duramax-lml-2011-2014-gmc-sierra-2500-6510297.jpg?v=1790385853","url":"https:\/\/www.statesideperformance.com\/products\/garrett-powermax-gt3788v-turbocharger-kit-6-6l-duramax-lml-2011-2014-gmc-sierra-2500","provider":"Stateside Performance","version":"1.0","type":"link"}