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Air Filters
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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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Make heads turn with custom truck accessories from Thoroughbred Diesel.
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Weight Distributing Hitchs
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Decals
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Thoroughbred Sku #: UNDUC1138S Manufacturer Sku #: UC1138S
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$1,349.99
2014 - 2014 GMC Sierra 1500
2015 - 2019 GMC Sierra 2500
2015 - 2019 GMC Sierra 3500
Product Name:UnderCover Elite Smooth Tonneau Cover 2014-2018 GMC Sierra & 2019 Limited 5.9ft Bed Ext/Crew (2014 1500 Only, 2015-2019 1500) Smooth- Ready To Paint Manufacturer: Undercover Manufacturer Part #: UC1138S Thoroughbred Diesel Part #: UNDUC1138S Fitment Notes: 2014-2018 GMC Sierra & 2019 Limited 5.9ft Bed Ext/Crew (2014 1500 Only, 2015-2019 1500) Smooth- Ready To Paint
The Elite by UnderCover is the most refined UnderCover tonneau cover to date. It is meticulously designed and engineered, making it the new standard in the aftermarket industry. The Elite has spectacular new features that set it apart. Starting with a completely new design, adding the handle to the back with a BOLT Lock making it codable to your trucks factory ignition key. It also has a new, brighter, and removable LED light. We have made Americas most popular tonneau cover even better.
UnderCover Elite Smooth Tonneau Cover Features: