GM
Duramax 6.6L 2004.5-2005 LLY |
Thoroughbred
Diesel specializes in Duramax diesel performance. We offer a large
selection of performance related products for your 04.5-05 6.6L LLY
GM Duramax diesel. Shop below for all of the popular Duramax diesel
addons such as programmers, intakes, exhaust systems, clutches, exhaust
brakes, and so much more! With warehouses all across the country when
you order from Thoroughbred Diesel you can rest assured we get your
package on the way to your front door as soon as possible. Free shipping
on most products online at ThoroughbredDiesel.com.
Attention: If you have a GM Duramax, please verify your engine
type before ordering any product. You will either have an LB7, LLY,
or LBZ motor, many of the products we offer are not interchangeable
with all three engines.
To Verify:
Check the 8th digit in the VIN number,
If it's a 1 you have the LB7 motor
If it's a 2 you have the LLY motor
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to Most Popular Performance Products |
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Package
Deals
- If you are looking to purchase a programmer, exhaust, and intake
all at the same time, pick up the phone and give us a call. We
offer discounts on package deals. Discount depends on which brands
you buy from us, certain brands we can offer very big savings,
other brands not as much, but no matter what, we can give you
a great deal!

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Air Bags
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Air Filters
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Air Intakes
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Alternator
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Boost Controler
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Catalytic Converter
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Cat Delete Pipe
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Center Link with Puller
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Clutches
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Cool
Down Timer
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Cooling
Fans
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CP3 Dual
Fueler Pump Kit
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Differential Covers
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Exhaust Brakes
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Exhaust Systems
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Exhaust Tips
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Fluid Damper
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Fuel Additives
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Fuel Filters
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Fuel Pump Kit
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Fuel Rail
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Fuel Systems
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Gauge Kits
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Governor Kit
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Head Studs
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High Idle Valet Switch
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Idler Arm
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Injection Pump
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Injectors
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Intake Manifold
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Intercooler
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Intercooler
Tube Upgrade
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Muffler Delete Pipe
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Mufflers
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Nitrous Injection Kits
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Oil Cooler Delete Kit
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Oil Filters
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Pitman Arm
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Positive Air Shutdown
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Programmers
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Propane Injection
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Race Fuel Valve
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Remote Fuel Filter Kit
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Resonator
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Shift Enhancer Kit
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Shim Kit |
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Starter
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Tie Rod Sleeves
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Torque Converter
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Transmission Cooler
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Transmission Pan
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Transmissions
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Truck Stacks
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Turbo Direct Pipe
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Turbos
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Valve Body
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Water/Methanol Injection Kits
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Water Sensor Wrench
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