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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: DUTDT1160000008001-CRE
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$775.00
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
2017 - 2019 Chevy Silverado 2500
2017 - 2019 Chevy Silverado 3500
2017 - 2019 GMC Sierra 2500
2017 - 2019 GMC Sierra 3500
Product Name: Duramax Tuner PRE-TUNED REPLACEMENT T87A TCM 2017-2019 (L5P) ALLISON TRANSMISSION Manufacturer: Duramax Tuner Manufacturer Part #: DT1160000008001 Thoroughbred Diesel Part #: DUTDT1160000008001
The 6-Speed Allison found in your 2017-2019 L5P Duramax earned its reputation for excellence largely because of the advanced electronic control provided by the TCM (Transmission Control Module). Changing that factory calibration is especially important for you when you modify your truck and/or install ECM Tuning. Custom TCM Tuning gives you quicker shift changes, smoother operation, and an overall better driving experience.
What’s the difference between Mild and Aggressive Transmission Tuning?
Smooth Shift Points is the best choice for you if you . . .
Aggressive/Elevated Shift Points is the best choice for you if you . . .
Why do you need TCM Tuning?
TCM Tuning is especially important for trucks with:
Towing & Performance
* ALL PICTURES SHOWN ARE FOR ILLUSTRATION PURPOSE ONLY. ACTUAL PRODUCT MAY VARY DUE TO PRODUCT ENHANCEMENT.
Note it on your order.
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