{"product_id":"03-06-chevrolet-silverado-sierra-5-3l-engine-computer-ecu-ecm-12586242-12583660","title":"03-06 Chevrolet Silverado Sierra 5.3L Engine Computer ECU ECM 12586242 12583660","description":"\u003cp\u003e\u003cstrong\u003eEngine Computer ECU\/ECM for 2003-2006 Chevrolet Silverado \u0026amp; GMC Sierra 5.3L\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis OEM-style engine control module manages fuel injection, ignition timing, and emissions for your truck's 5.3L V8. Direct replacement for part numbers 12586242 and 12583660, ensuring exact compatibility.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFits 2003-2006 Chevrolet Silverado and GMC Sierra\u003c\/li\u003e\n\u003cli\u003e5.3L V8 engine applications\u003c\/li\u003e\n\u003cli\u003eOEM-equivalent performance and reliability\u003c\/li\u003e\n\u003cli\u003eRestores proper engine operation and diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCritical component for engine performance—replace if your truck has intermittent starting issues, check engine light codes, or poor fuel economy related to computer failure.\u003c\/p\u003e","brand":"eBay Import","offers":[{"title":"Default Title","offer_id":45925620088934,"sku":null,"price":187.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/4630\/9734\/files\/s-l100_d33ff6fe-e407-4466-bcfb-f54ca9a2893a.jpg?v=1783727242","url":"https:\/\/findmypart.shop\/products\/03-06-chevrolet-silverado-sierra-5-3l-engine-computer-ecu-ecm-12586242-12583660","provider":"Find My Part","version":"1.0","type":"link"}