Engines and Components› Engines, Blocks and Components
DFC Engines
6.6 CHEVY GM LONG BLOCK (STD AUTO) 01-04 LB7 3000 Core Charge Applies plus 500 Crate charge
SKU: D011 660104LB7LB
Professional / shop required
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | DFC Engines |
| Part Number | D011 660104LB7LB |
Videos
DFC Diesel Remanufactured Short & Long Block Crate Engines | XDP
The Ultimate Duramax Engine Guide (And Why It\'s The Best)
DFC Diesel Featured in Performance TV
REVIEW: Everything Wrong With A 6.6 Duramax LB7
Is an LB7 Worth it!?
Top Problem Areas You Should Look For On Used Duramax LB7 | Secret Tips For Buying A Used Duramax
DFC Diesel Remanufactured Short & Long Block Crate Engines | XDP
How to swap LBZ LB7 LLY LMM LML duramax engine in and out 2001-2010
How To Install: Mishimoto 2001-2005 Chevrolet/GMC Duramax 6.6L Performance Radiator
2001-2005 Chevrolet / GMC Duramax 6.6L Performance Radiator Features & Benefits by Mishimoto
GMC Sierra/Chevy Silverado Duramax Diesel Upper & Lower Radiator Hose Replacement How-To
HSP Billet Thermostat Housing Kit Install: 2001-2010 Chevy Duramax LB7 & LLY
Quick & Easy GM Coolant Overflow Tank Replacement | LB7 Duramax & GM 01’-07’ Models | DIY Diesel
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy