Engines and Components Engines, Blocks and Components

Choate Performance Engineering

Choate Performance 6.6L 04.5-05 Duramax LLY Long Block Daily Driver Diesel Crate Engine Core Charge of 2000 Applies CEP66LLYLDM

$12,515.00

SKU: C0D9 CEP66LLYLDM

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Choate Performance Engineering CEP66LLYLDM is a 'Daily Driver' long block diesel crate engine for the 6.6L 2004.5-2006 Duramax LLY. It is remanufactured with precision machine work to correct OEM flaws, ensuring durability and reliability for spirited daily driving and consumer-level towing. Key features include upgraded pistons for commercial applications, new upgraded material valves, and CNC blueprint machined engine blocks for optimal performance.

Fitment

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Specifications

BrandChoate Performance Engineering
Part NumberC0D9 CEP66LLYLDM

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.

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