04-05 GM 6.6L LLY Duramax Diamond T FICM Fuel Injection Control Module

Ensure the reliable performance of your 2004-2005 Chevy/GMC 6.6L Duramax LLY with the Diamond T FICM. These Fuel Injection Control Modules (FICMs) are completely overhauled to a condition that surpasses OEM standards, making them capable of handling any truck modifications, tunes, or upgrades you may have. With a 1-year warranty, you can trust in their durability and performance.

The LLY Fuel Injection Control Module is known for being a common failure point, and finding quality replacements can be challenging. Diamond T has addressed this issue by offering an exceptional solution that not only ensures compatibility but also exceeds expectations. Unlike other suppliers, Diamond T does not require your core to be in rebuildable condition to receive a core refund, making the replacement process more accessible and hassle-free.

Whether you're dealing with a failing FICM or simply upgrading for peace of mind, the Diamond T FICM is the perfect choice to keep your Duramax LLY running smoothly, no matter how you've customized your truck.

• Completely overhauled to exceed OEM standards
• Capable of handling truck modifications, tunes, or upgrades
• 1-year warranty included
• Designed for 2004-2005 Chevy/GMC 6.6L Duramax LLY engines
• Addresses common LLY FICM failures
• No need for a rebuildable core to receive a core refund
• Essential replacement part for reliable engine performance
• Free programming to the latest calibrations
• Plug and play installation

Diamond T: FICM66LLY