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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.
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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.
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Make heads turn with custom truck accessories from Thoroughbred Diesel.
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Thoroughbred Sku #: DOR603-125 Manufacturer Sku #: 603-125
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$56.95
2001 - 2007 Chevy Silverado 2500
2001 - 2007 Chevy Silverado 3500
2001 - 2007 GMC Sierra 2500
2001 - 2007 GMC Sierra 3500
Product Name: Dorman Products Pressurized Coolant Reservoir 2001-2007 GMC 2500HD/3500 Duramax 6.6L Manufacturer: Dorman Products Manufacturer Part #: 603-125 Thoroughbred Diesel Part #: DOR603-125
Replace the old cracked Coolant Reservoir on your 2001-2007 GM 6.6L Duramax with the Dorman 603-125 Coolant Reservoir. Dorman's Engine Coolant Recovery Tank is designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.
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