2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Crate Engines

FREE SHIPPING ON ALL ORDERS OVER $70

PRICE MATCH
GUARANTEE

BUILD NOW, PAY LATER FINANCING OPTIONS

30-DAY RETURN
SATISFACTION GUARANTEE

DIESEL TRUCK EXPERTS STANDING BY

Availability
Price
$0
$15,000
Rating
Vendor
Year
Make
Model
Loading products...
Filter
5 products
Sort by:
Best selling
Availability
Price
$0
$15,000
Rating
Vendor
Year
Make
Model
Industrial PDM-LB7STKLB Stock Long Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L
Industrial PDM-LB7STKLB Stock Long Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L

Industrial PDM-LB7STKLB Stock Long Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L

$14,990.12
View options
Choate Engineering CEP66LB7SD 6.6L Daily Driver Short Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7
Choate Engineering CEP66LB7SD 6.6L Daily Driver Short Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

Choate Engineering CEP66LB7SD 6.6L Daily Driver Short Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

$9,000
View options
Choate Engineering CEP66LB7SW 6.6L Workhorse Short Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7
Choate Engineering CEP66LB7SW 6.6L Workhorse Short Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

Choate Engineering CEP66LB7SW 6.6L Workhorse Short Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

$11,000
View options
Choate Engineering CEP66LB7LW 6.6L Workhorse Long Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7
Choate Engineering CEP66LB7LW 6.6L Workhorse Long Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

Choate Engineering CEP66LB7LW 6.6L Workhorse Long Block | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

$15,000
View options
Choate Engineering CEP66LB7LD 6.6L Full Running Daily Driver | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7
Choate Engineering CEP66LB7LD 6.6L Full Running Daily Driver | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

Choate Engineering CEP66LB7LD 6.6L Full Running Daily Driver | 2001-2004 Silverado/Sierra 2500HD/3500HD 6.6L LB7

$12,500
View options

Whether you're restoring your GM truck or are looking to completely upgrade your truck with added power and reliability, our crate engines are the perfect choice to get the most from your truck! With reputable brands, we offer a vast selection of reliable and powerful crate engines and rebuild kits that truly will take your truck to the next level of power and reliability. Pair your new crate engine with our selection of Transmission Upgrades! GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments. 

Can We Help You Find Something?

Give us a call: +1-208-719-7400

Chat with us

Shop This Make By

Power Lift Shop All
THE GARAGE

The Garage

Welcome to The Garage – your one-stop shop for all your car care and maintenance needs. From premium oils and filters to top-notch car care products, we have everything you need to keep your vehicle running smoothly and looking its best. Whether you're a DIY enthusiast or a professional mechanic, our carefully curated selection of high-quality products will help you take care of your ride like never before.

Shop The Garage