{"product_id":"84008524-genuine-gm-engine-wiring-harness-junction-block-for-silverado-sierra-4-3l-5-3l-6-2l","title":"84008524 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L","description":"\u003ch2 data-end=\"779\" data-start=\"479\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"111\" data-end=\"601\"\u003eThe 84008524 is a genuine GM engine wiring harness junction block designed to organize and distribute electrical connections between the engine harness, fuse system, and vehicle control circuits. It acts as a central electrical interface that routes power and signal pathways required for proper engine system operation.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 438px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 6.11511%; text-align: center;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 21.223%; text-align: center;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 44.2446%; text-align: center;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 27.6978%; text-align: center;\"\u003e\u003cstrong\u003eTrims\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 1500 LD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eCustom, LT, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 1500 Limited\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, SLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e4.3L V6 Flex, 5.3L V8 Electric\/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eCustom, High Country, LS, LT, LTZ, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e4.3L V6 Flex, 5.3L V8 Electric\/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e4.3L V6 Flex, 5.3L V8 Electric\/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eCustom, High Country, LS, LT, LTZ, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e4.3L V6 Flex, 5.3L V8 Electric\/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.11511%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 21.223%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 44.2446%;\"\u003e6.0L V8 Flex, 6.0L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 27.6978%;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 215.6px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.6343%;\"\u003e \u003ccol style=\"width: 69.9874%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e84008524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eEngine Wiring Harness Junction Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e2017–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eChevrolet Silverado \/ GMC Sierra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e4.3L V6, 5.3L V8, 6.0L V8, 6.2L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e15.4 x 9.6 x 5.3 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e3.70 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"1574\" data-start=\"1555\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"1574\" data-start=\"1555\"\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 84008524 engine wiring harness junction block is built to match factory electrical system performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine GM engine wiring harness junction block\u003c\/li\u003e\n\u003cli\u003eCentral connection point for engine electrical circuits\u003c\/li\u003e\n\u003cli\u003eDistributes power between engine systems, relays, and fuse circuits\u003c\/li\u003e\n\u003cli\u003eDesigned to match the original GM wiring harness layout\u003c\/li\u003e\n\u003cli\u003eSupports proper routing of engine control and power supply circuits\u003c\/li\u003e\n\u003cli\u003eFactory-style connectors ensure secure electrical connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1913\" data-start=\"1893\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-end=\"3938\" data-start=\"3656\"\u003eThe 84008524 is designed for GM truck platforms that use this type of engine harness junction block for electrical distribution between engine systems and fuse circuits. It installs in the original mounting location and connects to the factory wiring harness connectors.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-end=\"4041\" data-start=\"3940\"\u003eAlways verify part number, engine configuration, and system type before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48431878242531,"sku":"84008524","price":348.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_49bfd090-eda2-425c-b603-ae0f094dd6e3.webp?v=1772809642","url":"https:\/\/unitautoparts.com\/products\/84008524-genuine-gm-engine-wiring-harness-junction-block-for-silverado-sierra-4-3l-5-3l-6-2l","provider":"Unit Auto Parts","version":"1.0","type":"link"}