{"product_id":"suncoast-gm-duramax-66l-l5p-allison-transmission-2017-2019","title":"SUNCOAST GM Duramax 6.6L L5P Allison Transmission 2017-2019","description":"\u003ch2 data-start=\"376\" data-end=\"441\"\u003eDIESELR SunCoast Allison Transmission (2017–2019 Duramax L5P)\u003c\/h2\u003e\n\u003cp data-start=\"443\" data-end=\"798\"\u003eThe Allison 6-speed is one of the most proven heavy-duty transmissions, but in tuned L5P trucks or demanding work use, factory weaknesses show up fast. SunCoast engineered its Ranger, Guardian, and Category Series builds to correct those shortcomings with billet torque converters, GPZ clutch technology, billet steels, and hand-calibrated valve bodies.\u003c\/p\u003e\n\u003cp data-start=\"800\" data-end=\"1115\"\u003eFrom reliable stock replacements to extreme 950+ HP builds, each SunCoast Allison transmission is assembled by hand, vacuum-tested, and loaded with proprietary upgrades. Whether you’re towing heavy, daily driving, sled pulling, or racing, SunCoast gives you options built to match your truck’s real-world demands.\u003c\/p\u003e\n\u003chr data-start=\"1117\" data-end=\"1120\"\u003e\n\u003ch2 data-start=\"1122\" data-end=\"1148\"\u003eVariants\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"1152\" data-end=\"1432\"\u003e\n\u003cstrong data-start=\"1152\" data-end=\"1182\"\u003eRanger (Stock Replacement)\u003c\/strong\u003e\u003cbr data-start=\"1182\" data-end=\"1185\"\u003eBuilt for stock trucks needing a direct replacement with improved durability. Includes SunCoast Guardian converter, upgraded clutch packs, steels, overhaul kit, valve body recalibration, filters, and factory deep pan. Available in 2WD and 4WD.\u003c\/li\u003e\n\u003cli data-start=\"1436\" data-end=\"1735\"\u003e\n\u003cstrong data-start=\"1436\" data-end=\"1485\"\u003eGuardian Towing (Heavy-Duty Towing \u0026amp; Hauling)\u003c\/strong\u003e\u003cbr data-start=\"1485\" data-end=\"1488\"\u003eDesigned for commercial, towing, and heavy-haul applications. Uses custom billet torque converter (or no-converter option), clutch packs, steels, overhaul kit, and recalibrated valve body. Built for reliability under long-term work conditions.\u003c\/li\u003e\n\u003cli data-start=\"1739\" data-end=\"1967\"\u003e\n\u003cstrong data-start=\"1739\" data-end=\"1762\"\u003eCategory 1 (500 HP)\u003c\/strong\u003e\u003cbr data-start=\"1762\" data-end=\"1765\"\u003ePerformance build with custom clutch packs, steels, billet plates, and SunCoast triple-disc billet converter (converter option). Ideal for tuned street trucks, towing, and light racing up to 500 HP.\u003c\/li\u003e\n\u003cli data-start=\"1971\" data-end=\"2194\"\u003e\n\u003cstrong data-start=\"1971\" data-end=\"1994\"\u003eCategory 2 (600 HP)\u003c\/strong\u003e\u003cbr data-start=\"1994\" data-end=\"1997\"\u003eAdds billet input shaft and billet SFI-certified flexplate for strength. Handles sled pulling, racing, and heavy towing with aftermarket turbos. Available with or without triple-disc converter.\u003c\/li\u003e\n\u003cli data-start=\"2198\" data-end=\"2431\"\u003e\n\u003cstrong data-start=\"2198\" data-end=\"2221\"\u003eCategory 3 (700 HP)\u003c\/strong\u003e\u003cbr data-start=\"2221\" data-end=\"2224\"\u003eIncludes billet input shaft, billet flexplate, billet P2 planet, billet C2 clutch hub, and triple-disc converter (converter option). Recommended for high-horsepower builds, sled pulling, and drag racing.\u003c\/li\u003e\n\u003cli data-start=\"2435\" data-end=\"2714\"\u003e\n\u003cstrong data-start=\"2435\" data-end=\"2459\"\u003eCategory 4 (950 HP+)\u003c\/strong\u003e\u003cbr data-start=\"2459\" data-end=\"2462\"\u003eExtreme build with billet input, intermediate, and output shafts, billet flexplate, billet P2 planet, billet C2 hub, and SunCoast triple-disc converter (converter option). Built for maximum reliability in 900+ HP builds and extreme competition use.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SunCoast Performance","offers":[{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432947691769,"sku":"GMAX-L5P-GUARDIAN-1719-2WD-LC","price":6500.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432947724537,"sku":"GMAX-L5P-GUARDIAN-1719-4WD-LC","price":6500.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432947757305,"sku":"GMAX-L5P-GUARDIAN-1719-2WD","price":7700.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432947790073,"sku":"GMAX-L5P-GUARDIAN-1719-4WD","price":7700.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432947822841,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432947855609,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432947888377,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P GUARDIAN TOWING TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432947921145,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432947953913,"sku":"GMAX-CAT1-L5P-1719-2WD-LC","price":6600.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432947986681,"sku":"GMAX-CAT1-L5P-1719-4WD-LC","price":6600.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432948019449,"sku":"GMAX-CAT1-L5P-1719-2WD","price":8100.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432948052217,"sku":"GMAX-CAT1-L5P-1719-4WD","price":8100.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948084985,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948117753,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948150521,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 1 500HP TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948183289,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432948216057,"sku":"GMAX-CAT2-L5P-1719-2WD-LCF","price":7100.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432948248825,"sku":"GMAX-CAT2-L5P-1719-4WD-LCF","price":7100.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432948281593,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432948314361,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948347129,"sku":"GMAX-CAT2-L5P-1719-2WD-LC","price":7995.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948379897,"sku":"GMAX-CAT2-L5P-1719-4WD-LC","price":7995.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948412665,"sku":"GMAX-CAT2-L5P-1719-2WD","price":9800.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 2 600HP TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948445433,"sku":"GMAX-CAT2-L5P-1719-4WD","price":9800.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432948478201,"sku":"GMAX-CAT3-L5P-1719-2WD-LCF","price":7500.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432948510969,"sku":"GMAX-CAT3-L5P-1719-4WD-LCF","price":7500.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432948543737,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432948576505,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948609273,"sku":"GMAX-CAT3-L5P-1719-2WD-LC","price":8500.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948642041,"sku":"GMAX-CAT3-L5P-1719-4WD-LC","price":8500.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948674809,"sku":"GMAX-CAT3-L5P-1719-2WD","price":10200.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 3 700HP TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948707577,"sku":"GMAX-CAT3-L5P-1719-4WD","price":10200.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432948740345,"sku":"GMAX-CAT4-L5P-1719-2WD-LCF","price":8600.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (No Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432948773113,"sku":"GMAX-CAT4-L5P-1719-4WD-LCF","price":8600.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 2WD","offer_id":48432948805881,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (With Torque Converter) (No Flexplate) \/ 4WD","offer_id":48432948838649,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948871417,"sku":"GMAX-CAT4-L5P-1719-2WD-LC","price":9395.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (No Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948904185,"sku":"GMAX-CAT4-L5P-1719-4WD-LC","price":9395.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 2WD","offer_id":48432948936953,"sku":"GMAX-CAT4-L5P-1719-2WD","price":11300.0,"currency_code":"USD","in_stock":true},{"title":"ALLISON L5P CAT 4 950HP+ TRANSMISSION \/ (With Torque Converter) (With Flexplate) \/ 4WD","offer_id":48432948969721,"sku":"GMAX-CAT4-L5P-1719-4WD","price":11300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/3793\/5353\/files\/M198648043_3385fb9a-e39a-4a61-a01d-d285a8729a95.webp?v=1779553747","url":"https:\/\/www.georgiadieselworks.com\/products\/suncoast-gm-duramax-66l-l5p-allison-transmission-2017-2019","provider":"Georgia Diesel Works","version":"1.0","type":"link"}