{"product_id":"swap-harness-for-ls1-vortec-t56-4l80e-2003-2007","title":"T56 4L80E Swap Harness for LS1 Vortec (2003–2007)","description":"\u003cdiv data-store-description=\"v1\"\u003e\n\u003cp\u003eT56 4L80E Swap Harness for LS1 Vortec (2003–2007). Supplied product details follow.\u003c\/p\u003e\n\u003ch3\u003eSpecifications and fitment\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cp\u003eIncludes:\n\u003cbr\u003e- Swap Harness for LS1 Vortec T56 4L80E\u003c\/p\u003e\n\n\u003cp\u003eFits Models:\n\u003cbr\u003e- Chevrolet Silverado 1500, Chevrolet Silverado 2500HD, Chevrolet Silverado 3500HD, GMC Sierra 1500, GMC Sierra 2500HD, GMC Sierra 3500HD\u003c\/p\u003e\n\n\u003cp\u003eModel Years:\n\u003cbr\u003e- 2003–2007\u003c\/p\u003e\n\n\u003cp\u003eSubmodels:\n\u003cbr\u003e- Common trims include WT (Work Truck), LS, LT, and LTZ. Chassis codes include GMT800 for Silverado and Sierra. Body styles include Regular Cab, Extended Cab, and Crew Cab.\u003c\/p\u003e\n\n\u003cp\u003eEngine Options:\n\u003cbr\u003e- Common engine sizes include 4.8L V8, 5.3L V8, and 6.0L V8. Engine codes may include LM7, L59, and LQ4.\u003c\/p\u003e\n\n\u003cp\u003eDescription:\n\u003cbr\u003eThis swap harness is designed for integrating an LS1 engine with a Vortec T56 transmission and 4L80E automatic transmission in compatible Chevrolet and GMC trucks from 2003 to 2007. It simplifies the wiring process for a seamless engine swap.\u003c\/p\u003e\n\n\u003cp\u003eFeatures:\n\u003cbr\u003e- Direct fit for LS1 engine swaps\n\u003cbr\u003e- Compatible with T56 and 4L80E transmissions\n\u003cbr\u003e- Simplifies wiring connections\n\u003cbr\u003e- Durable construction for reliability\n\u003cbr\u003e- Designed for specific Chevrolet and GMC mode\u003c\/p\u003e","brand":"Usa Autoparts Direct","offers":[{"title":"Default Title","offer_id":44789704163416,"sku":"'274391221883","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5961\/0200\/files\/s-l1600_bc36ae93-7232-4719-8a7a-0962c9880f81.webp?v=1789222127","url":"https:\/\/usaautopartsdirect.com\/products\/swap-harness-for-ls1-vortec-t56-4l80e-2003-2007","provider":"Usa Autoparts Direct","version":"1.0","type":"link"}