{"product":{"id":7658244309173,"title":"Mishimoto 11-14 Chevrolet \/ GMC 6.6L Duramax (LML) Transmission Cooler","body_html":"There's no greater enemy for a transmission than heat. Whether your 2011-2014 Chevy\/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag-strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2011-2014 Chevy\/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It's durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 41-percent greater core volume, and 73-percent greater fin surface area than the stock 2011-2014 Duramax transmission cooler. The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime  with Accident Protection for worry free cooling as long as you own it.\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLTZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eLTZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","vendor":"Mishimoto","product_type":"Transmission Coolers","created_at":"2024-02-17T07:10:31-05:00","handle":"mishimoto-11-14-chevrolet-gmc-6-6l-duramax-lml-transmission-cooler","updated_at":"2025-12-26T03:29:18-05:00","published_at":"2024-02-17T07:10:26-05:00","template_suffix":null,"published_scope":"web","tags":"2011-chevrolet-silverado-2500-hd-esi5244409, 2011-chevrolet-silverado-3500-hd-esi3644435, 2011-gmc-sierra-2500-hd-esi3684305, 2011-gmc-sierra-3500-hd-esi4859640, 2012-chevrolet-silverado-2500-hd-esi2386421, 2012-chevrolet-silverado-3500-hd-esi7216335, 2012-gmc-sierra-2500-hd-esi4586182, 2012-gmc-sierra-3500-hd-esi3466117, 2013-chevrolet-silverado-2500-hd-esi6762213, 2013-chevrolet-silverado-3500-hd-esi2138139, 2013-gmc-sierra-2500-hd-esi5199321, 2013-gmc-sierra-3500-hd-esi3956243, 2014-chevrolet-silverado-2500-hd-esi9819802, 2014-chevrolet-silverado-3500-hd-esi2551946, 2014-gmc-sierra-2500-hd-esi3642858, 2014-gmc-sierra-3500-hd-esi6624398, 500-1000, CaseLotQuantity:1, chassis 2011-2014, chevrolet, ClearanceItem:N, Cooling\u003eTransmission Coolers, Core:N, CorePrice:0, EPA:N\/A, exterior accessories and tonneau covers, fits_2011-2014`Chevrolet`Silverado 2500 HD`LT~2011-2014`Chevrolet`Silverado 2500 HD`LTZ~2011-2014`Chevrolet`Silverado 2500 HD`WT~2011-2014`Chevrolet`Silverado 3500 HD`LT~2011-2014`Chevrolet`Silverado 3500 HD`LTZ~2011-2014`Chevrolet`Silverado 3500 HD`WT, fits_2011-2014`GMC`Sierra 2500 HD`SLE~2011-2014`GMC`Sierra 2500 HD`SLT~2011-2014`GMC`Sierra 2500 HD`WT~2011-2014`GMC`Sierra 3500 HD`Denali~2011-2014`GMC`Sierra 3500 HD`SLE~2011-2014`GMC`Sierra 3500 HD`SLT~2011-2014`GMC`Sierra 3500 HD`WT, gmc, LTL:N, mishimoto, MPN:MMTC-DMAX-11SL, Non-CARB:N, Prop65:Y, sierra 2500, sierra 3500, silverado 2500, silverado 3500, SpecialOrder:N, transmission-coolers, TURN14_ID:186334","variants":[{"id":43635302531253,"product_id":7658244309173,"title":"Default Title","price":"518.91","sku":"MISMMTC-DMAX-11SL","position":1,"compare_at_price":"549.00","fulfillment_service":"manual","inventory_management":"shopify","option1":"Default Title","option2":null,"option3":null,"created_at":"2024-02-17T07:10:31-05:00","updated_at":"2025-12-26T03:29:18-05:00","taxable":true,"barcode":"811479034107","grams":4354,"image_id":null,"weight":9.6,"weight_unit":"lb","requires_shipping":true,"price_currency":"USD","compare_at_price_currency":"USD"}],"options":[{"id":9772065620149,"product_id":7658244309173,"name":"Title","position":1,"values":["Default 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