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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
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Engine Components
Exterior Replacement Parts
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Interior Replacement Parts
Oil Pumps
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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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Make heads turn with custom truck accessories from Thoroughbred Diesel.
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Thoroughbred Sku #: DUTDM1361070080900-CRE
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$1,687.50
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
2001 - 2005 Chevy Silverado 2500
2001 - 2005 Chevy Silverado 3500
2001 - 2005 GMC Sierra 2500
2001 - 2005 GMC Sierra 3500
Product Name: Duramax Tuner 6 Speed Conversion Kit Manufacturer: Duramax Tuner Manufacturer Part #: DM1361070080900 Thoroughbred Diesel Part #: DUTDM1361070080900 Fitment Notes: 2001-2005 GM Duramax LB7/LLY
Improve your LB7 or LLY's reliability by utilizing our in-house designed and tested kit coupled with Calibrated Power established transmission tuning. Calibrated Power's calibrate firmness and timing of shifts, so you'll be guaranteed to feel the smoothness and better shift quality missing on the 5 speed Allison. If you're like the rest of us here at Duramaxtuner using our trucks as daily drivers, the added gear helps take wear and tear off your engine while cruising at high speeds. It keeps your RPMs at the most efficient curve of the rev range, giving it the best ride possible! In addition to helping keep your truck on the road longer, something you will notice is the added bump in fuel economy. This is especially true for those of us logging long commutes via highway. Less RPMs, the better your fuel economy. Picking up just a little bit goes a long way while putting on the commuting miles. You'll also notice the how much quieter your ride will be when adding our kit to your truck. NVH(Noise, vibration, and harshness) will decrease drastically, giving you a much more enjoyable ride.
Calibrated Power 6 Speed Conversion Kit Features: