Restore your 2004.5-2005 Chevrolet/GMC Duramax LLY to full strength with our state-of-the-art Fuel Injection Control Module (FICM), tailored for the 6.6L engine. This isn’t just another repair or remanufactured unit—it’s a brand-new, ground-up redesign that solves the challenges of outdated technology. With Bosch discontinuing OEM FICMs and original components becoming obsolete, traditional fixes often lack staying power. Our innovative module steps in to deliver lasting performance you can trust. Engineered to meet or surpass factory specifications, it ensures precise fuel injection control for smooth, powerful operation mile after mile. Easy to install with a plug-and-play setup, this FICM gets you back on the road fast, no programming required. Perfect for heavy-duty tasks or everyday driving, it’s the ultimate upgrade for your Duramax.

• Brand-New Design: Not repaired or remanufactured—built fresh to eliminate reliance on hard-to-find parts.
• OEM-Level Reliability: Matches or exceeds original standards for consistent, long-term performance.
• Perfect Fit: Specifically crafted for 2004.5-2005 LLY Duramax 6.6L engines.
• Simple Installation: Plug-and-play convenience—no programming or special tools needed.
• Made in the USA: Engineered and manufactured in the USA for unmatched quality and craftsmanship.  

Say goodbye to the risks of subpar repairs and hello to a dependable, high-quality solution that keeps your Duramax running like new.