Duramax

04.5-05 LLY ECM NEW +PROGRAMMED

$1,000

Fitment: 2004.5 Chevrolet Silverado 2500HD & 3500 6.6L Duramax LLY; 2004.5 GMC Sierra 2500HD & 3500 6.6L Duramax LLY; 2005 Chevrolet Silverado 2500HD & 3500 6.6L Duramax LLY; 2005 GMC Sierra 2500HD & 3500 6.6L Duramax LLY; Compatible with Kodiak/TopKick models equipped with the 6.6L LLY where applicable

2004.5–2005 GM Duramax LLY ECM (Brand New) Replace your failed or damaged Engine Control Module with a brand new OEM-quality ECM for 2004.5–2005 GM 6.6L Duramax LLY trucks. Every unit is new, thoroughly tested, and ready for installation, providing dependable performance and factory-level reliability. Features Brand New ECM – Not Remanufactured In Stock – Ships Same or Next Business Day Fits 2004.5–2005 Chevrolet & GMC 6.6L Duramax LLY OEM-quality replacement Fully tested before shipment Plug-and-play hardware Programmed to your VIN and factory calibration (if requested) Restores factory engine management and drivability Ideal replacement for failed, damaged, or non-communicating ECMs Core Charge & Warranty $300 Refundable Core Charge A $300 refundable core charge applies to every ECM purchase. Option 1: Pay the $300 core charge at checkout, then return your old rebuildable ECM for a full $300 refund. Option 2: Send your rebuildable core to us first, and we'll ship your new ECM with no core charge required. Warranty 1-Year Warranty included if you choose not to return a core. 5-Year Warranty when we receive your rebuildable core. Warranty covers defects in workmanship and materials under normal operating conditions. Physical damage, water intrusion, improper installation, misuse, tuning-related damage, or modified ECMs are not covered. Note: VIN and calibration information are required before shipping to ensure your ECM arrives programmed and ready to install. Please verify your vehicle's application before ordering.

Delete kits and emissions-related components are sold for off-road and competition use only. See our terms for details.