Diamond T FICM for Chevy/GMC (2004-05) 6.6L LLY Duramax
Part # FICM66LLY
Ensure the reliable performance of your 2004-2005 Chevy/GMC 6.6L Duramax LLY with the Diamond T Fuel Injection Control Module (FICM). Each unit is completely overhauled and upgraded to exceed OEM standards, making it capable of supporting any truck modifications, performance tunes, or upgrades you have.
Backed by a lifetime repair warranty with 1st year replacement coverage, the Diamond T FICM is built for long-term dependability. Common LLY FICM failure points are fully addressed, making this module an essential upgrade for any Duramax owner looking to eliminate hard starts, stalling, or injector control issues.
Installation is simple with plug-and-play compatibility and free programming to the latest calibrations-no dealer visit required. Plus, Diamond T’s policy of not requiring a rebuildable core for your refund makes the replacement process fast and hassle-free.
Whether you’re replacing a failed FICM or upgrading for peace of mind, the Diamond T FICM is the trusted choice to keep your Duramax LLY running strong. American Made, Because It Matters.
FEATURES:
- Completely overhauled to exceed OEM standards
- Capable of handling truck modifications, tunes, or upgrades
- Backed by a lifetime repair warranty with 1st year replacement coverage
- 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
APPLICATIONS:
- 2005 Chevy/GMC 3500 Diesel
- 2005 Chevy/GMC 2500 Diesel
- 2005 Chevy/GMC Kodiak Diesel
- 2005 Chevy/GMC Topkick Diesel
- 2004 Chevy/GMC 3500 Diesel
- 2004 Chevy/GMC 2500 Diesel
- 2004 Chevy/GMC Kodiak Diesel
- 2004 Chevy/GMC Topkick Diesel
