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Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.
Brakes
ECM
Electrical Components
Engine Components
Exterior Replacement Parts
Filters
Fuel Pumps
Gaskets & Seals
Interior Replacement Parts
Oil Pumps
Starters & Alternators
Thoroughbred Diesel offers OEM and diesel stock parts for your diesel pickup truck. At Thoroughbred Diesel, you can buy stock diesel replacement parts such as injectors, fuel pumps, ball joints, track bars, turbos, and more for your diesel truck.
Injection Pump
Injector
Turbo Charger
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Winches
Make heads turn with custom truck accessories from Thoroughbred Diesel.
Ball Mounts
Gooseneck & Fifth Wheel
Hitch Balls
Hitch Pins & Hitch Locks
Hitch Steps
Hitches
Loading Ramps
Shackles & Tow Hooks
Tow Brakes
Tow Mirrors
Towing Accessories
Weight Distributing Hitchs
Banners
Decals
Hats
Hoodies
License Plates
Shirts
Tank Tops
Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: MAT10754-4WD-CRE
$5,899.00
Terms & Conditions for Cores
Many stock replacement parts such as turbos, injectors, injection pumps, and high pressure oil pumps have a core charge that is associated with the new replacement part. You must return the old part to receive a refund on the core charge.
If you plan on returning your core you have two options.
Thoroughbred Diesel offers defer the upfront core charge when purchasing via credit card payment.
OPTION 1: You can accept the core charge, which means you will be charged for the part AND the core at time of purchase. You still have the option to send it back, and if you do, the core will be refunded back on the card used, presuming the core meets core criteria and the core is returned within 30 days from the time your order is received. If you return your core after 30 days you may refer to the Core Charge Timeline below as to how you will be refunded.
Core Charge Timeline
OPTION 2: You can defer the core charge. If you defer, you will not be charged for the core at the time of purchase. You will have 21 days from the time your order is received to send the core back. If the core is not received within the 21 days, your credit card will be charged for the core amount on your order. If you return your core after 21 days, you may refer to the Core Charge Timeline below as to how you will be refunded. When Core deferral (Pay Core Charge Later) is limited to payment by credit card only. ***When using PayPal or Affirm as your method of payment “Core Deferral (Pay Core Charge Later)” is not available. The core must be paid at time of purchase. ***
Core Return Procedure
2004 - 2005 Chevy Silverado 2500
2004 - 2005 Chevy Silverado 3500
2004 - 2005 GMC Sierra 2500
2004 - 2005 GMC Sierra 3500
ALLISON TRANSMISSION OVERVIEW
The 5-speed and 6-speed Allison automatic transmissions backing the Duramax diesel engines in GM 2500HD and 3500 pickups is a smooth-shifting transmission that works very well in stock applications. But the factory Allison transmissions tend to have issues coping with heavy towing and hauling or even mild performance upgrades not to mention serious struggles with high performance modifications. As the go-to Duramax and Allison Specialists the team at Merchant Automotive developed the MAximum Transmission Work Series and Pro Series transmissions to provide a reliable alternative to factory rebuilds or replacements in 2001 to 2016 GM vehicles equipped with an Allison automatic transmission.
MAXIMUM PRO SERIES
For owners who are making more power, expect to make more power in the near future or plan to compete with their trucks the MAximum Pro Series transmission is the optimum choice. The Pro Series builds upon the Work Series foundation with additional enhancements to further increase holding capability and durability. Additional clutch apply area and heavy-duty friction material work together with even higher hydraulic pressure to handle high performance applications that stock transmissions can only dream of. It also includes all new bushings, bearings, and seals along with a high-performance dyno tested MAximum Series valve body. To further enhance the performance of the Pro Series MAximum Transmission the torque converter has been upgraded to the pinnacle in diesel torque converter performance with a Triple Disc billet torque converter to channel the power from even highly modified Duramax diesel engines into the transmission without wavering. Like the Work Series, each Pro Series transmission is painted orange and comes completely assembled and is ready to install. Optional billet input, intermediate and output shafts can be added to the Pro Series transmissions to increase power handling capabilities for high-powered competition use such as sled pulling and drag racing.
"We don't play horsepower rating games with our MAximum Transmissions; we just build high-quality transmissions with high-quality parts that hold up to common abuse!" Exclaims Eric Merchant Automotive Founder. He continues, "We can build a MAximum Transmission to hold up to any performance level a customer needs, I run one in Ol' Blue, our 1,700 horsepower UCC competition truck and we can build one for you too!"
Merchant Automotive Transmission Features:
No, it does not have the 5spd to 6spd. Conversion valve body.