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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Engine Coolant Reservoir – Front

PART#: 603-078
Dorman - OE Solutions

$53.95

In stock

Interchanges
BrandPart #
General Motors25739061
General Motors25865663
General Motors15209981
General Motors15060681
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2019ChevroletExpress 3500LS6.0V8GASFront
2019ChevroletExpress 3500Base6.0V8CNGFront
2019ChevroletExpress 3500LT4.3V6FLEXFront
2019ChevroletExpress 3500Base6.0V8GASFront
2019ChevroletExpress 3500LS6.0V8CNGFront
2019ChevroletExpress 3500LS4.3V6FLEXFront
2019ChevroletExpress 3500LS4.3V6GASFront
2019ChevroletExpress 3500Base6.0V8FLEXFront
2019ChevroletExpress 3500Base4.3V6GASFront
2019ChevroletExpress 3500LT6.0V8GASFront
2019ChevroletExpress 3500LS6.0V8FLEXFront
2019ChevroletExpress 3500LT6.0V8FLEXFront
2019ChevroletExpress 3500LT6.0V8CNGFront
2019ChevroletExpress 3500Base4.3V6FLEXFront
2019ChevroletExpress 3500LT4.3V6GASFront
2019ChevroletExpress 2500LS4.3V6GASFront
2019ChevroletExpress 2500LT6.0V8GASFront
2019ChevroletExpress 2500LT4.3V6FLEXFront
2019ChevroletExpress 2500Base4.3V6FLEXFront
2019ChevroletExpress 2500LS6.0V8GASFront
2019ChevroletExpress 2500LS4.3V6FLEXFront
2019ChevroletExpress 2500Base6.0V8FLEXFront
2019ChevroletExpress 2500LS6.0V8CNGFront
2019ChevroletExpress 2500Base6.0V8CNGFront
2019ChevroletExpress 2500Base6.0V8GASFront
2019ChevroletExpress 2500LT6.0V8CNGFront
2019ChevroletExpress 2500LT6.0V8FLEXFront
2019ChevroletExpress 2500LS6.0V8FLEXFront
2019ChevroletExpress 2500Base4.3V6GASFront
2019ChevroletExpress 2500LT4.3V6GASFront
2019GMCSavana 3500LS4.3V6GASFront
2019GMCSavana 3500LS6.0V8FLEXFront
2019GMCSavana 3500Base4.3V6FLEXFront
2019GMCSavana 3500LT6.0V8FLEXFront
2019GMCSavana 3500Base6.0V8FLEXFront
2019GMCSavana 3500LS4.3V6FLEXFront
2019GMCSavana 3500LT6.0V8CNGFront
2019GMCSavana 3500Base6.0V8CNGFront
2019GMCSavana 3500LT4.3V6GASFront
2019GMCSavana 3500Base6.0V8GASFront
2019GMCSavana 3500LT6.0V8GASFront
2019GMCSavana 3500LT4.3V6FLEXFront
2019GMCSavana 3500Base4.3V6GASFront
2019GMCSavana 3500LS6.0V8GASFront
2019GMCSavana 3500LS6.0V8CNGFront
2019GMCSavana 2500LT6.0V8FLEXFront
2019GMCSavana 2500Base4.3V6FLEXFront
2019GMCSavana 2500LS4.3V6FLEXFront
2019GMCSavana 2500LT4.3V6GASFront
2019GMCSavana 2500Base6.0V8FLEXFront
2019GMCSavana 2500Base6.0V8GASFront
2019GMCSavana 2500LS6.0V8CNGFront
2019GMCSavana 2500LS6.0V8FLEXFront
2019GMCSavana 2500LT6.0V8GASFront
2019GMCSavana 2500LS4.3V6GASFront
2019GMCSavana 2500Base6.0V8CNGFront
2019GMCSavana 2500LT4.3V6FLEXFront
2019GMCSavana 2500LS6.0V8GASFront
2019GMCSavana 2500LT6.0V8CNGFront
2019GMCSavana 2500Base4.3V6GASFront
2018ChevroletExpress 3500Base4.3V6GASFront
2018ChevroletExpress 3500LS6.0V8CNGFront
2018ChevroletExpress 3500Base6.0V8FLEXFront
2018ChevroletExpress 3500LS4.3V6FLEXFront
2018ChevroletExpress 3500LS4.3V6GASFront
2018ChevroletExpress 3500LS6.0V8FLEXFront
2018ChevroletExpress 3500Base6.0V8CNGFront
2018ChevroletExpress 3500LT6.0V8GASFront
2018ChevroletExpress 3500LT6.0V8FLEXFront
2018ChevroletExpress 3500LT4.3V6FLEXFront
2018ChevroletExpress 3500LT6.0V8CNGFront
2018ChevroletExpress 3500Base6.0V8GASFront
2018ChevroletExpress 3500LS6.0V8GASFront
2018ChevroletExpress 3500Base4.3V6FLEXFront
2018ChevroletExpress 3500LT4.3V6GASFront
2018ChevroletExpress 2500LT6.0V8FLEXFront
2018ChevroletExpress 2500LS4.3V6GASFront
2018ChevroletExpress 2500LT6.0V8CNGFront
2018ChevroletExpress 2500LS6.0V8FLEXFront
2018ChevroletExpress 2500Base6.0V8FLEXFront
2018ChevroletExpress 2500Base4.3V6GASFront
2018ChevroletExpress 2500Base4.3V6FLEXFront
2018ChevroletExpress 2500LS6.0V8GASFront
2018ChevroletExpress 2500LS6.0V8CNGFront
2018ChevroletExpress 2500LS4.3V6FLEXFront
2018ChevroletExpress 2500LT6.0V8GASFront
2018ChevroletExpress 2500LT4.3V6FLEXFront
2018ChevroletExpress 2500LT4.3V6GASFront
2018ChevroletExpress 2500Base6.0V8CNGFront
2018ChevroletExpress 2500Base6.0V8GASFront
2018GMCSavana 2500LT4.3V6FLEXFront
2018GMCSavana 2500LT6.0V8CNGFront
2018GMCSavana 2500Base4.3V6GASFront
2018GMCSavana 2500LS6.0V8FLEXFront
2018GMCSavana 2500LT4.3V6GASFront
2018GMCSavana 2500LS6.0V8CNGFront
2018GMCSavana 2500Base6.0V8GASFront
2018GMCSavana 2500LT6.0V8FLEXFront
2018GMCSavana 2500Base6.0V8FLEXFront
2018GMCSavana 2500Base4.3V6FLEXFront
2018GMCSavana 2500Base6.0V8CNGFront
2018GMCSavana 2500LS4.3V6GASFront
2018GMCSavana 2500LS6.0V8GASFront
2018GMCSavana 2500LT6.0V8GASFront
2018GMCSavana 2500LS4.3V6FLEXFront
2018GMCSavana 3500LS6.0V8FLEXFront
2018GMCSavana 3500LT6.0V8CNGFront
2018GMCSavana 3500LS6.0V8CNGFront
2018GMCSavana 3500Base4.3V6FLEXFront
2018GMCSavana 3500Base4.3V6GASFront
2018GMCSavana 3500Base6.0V8CNGFront
2018GMCSavana 3500LS6.0V8GASFront
2018GMCSavana 3500LT4.3V6GASFront
2018GMCSavana 3500Base6.0V8FLEXFront
2018GMCSavana 3500LT4.3V6FLEXFront
2018GMCSavana 3500LS4.3V6FLEXFront
2018GMCSavana 3500LS4.3V6GASFront
2018GMCSavana 3500Base6.0V8GASFront
2018GMCSavana 3500LT6.0V8FLEXFront
2018GMCSavana 3500LT6.0V8GASFront
2017ChevroletExpress 2500LS6.0V8GASFront
2017ChevroletExpress 2500LT6.0V8FLEXFront
2017ChevroletExpress 2500LS6.0V8FLEXFront
2017ChevroletExpress 2500LT4.8V8FLEXFront
2017ChevroletExpress 2500Base4.8V8FLEXFront
2017ChevroletExpress 2500LT6.0V8GASFront
2017ChevroletExpress 2500Base6.0V8FLEXFront
2017ChevroletExpress 2500LS4.8V8FLEXFront
2017ChevroletExpress 3500Base6.0V8FLEXFront
2017ChevroletExpress 3500LT6.0V8FLEXFront
2017ChevroletExpress 3500LS6.0V8GASFront
2017ChevroletExpress 3500LS4.8V8FLEXFront
2017ChevroletExpress 3500LS6.0V8FLEXFront
2017ChevroletExpress 3500Base6.0V8GASFront
2017ChevroletExpress 3500LT4.8V8FLEXFront
2017ChevroletExpress 3500Base4.8V8FLEXFront
2017ChevroletExpress 3500LT6.0V8GASFront
2017GMCSavana 2500LT6.0V8GASFront
2017GMCSavana 2500LT6.0V8FLEXFront
2017GMCSavana 2500LS6.0V8FLEXFront
2017GMCSavana 2500LS4.8V8FLEXFront
2017GMCSavana 2500Base6.0V8FLEXFront
2017GMCSavana 2500Base4.8V8FLEXFront
2017GMCSavana 2500LT4.8V8FLEXFront
2017GMCSavana 2500LS6.0V8GASFront
2017GMCSavana 3500LS4.8V8FLEXFront
2017GMCSavana 3500Base4.8V8FLEXFront
2017GMCSavana 3500LT6.0V8FLEXFront
2017GMCSavana 3500Base6.0V8GASFront
2017GMCSavana 3500LT4.8V8FLEXFront
2017GMCSavana 3500Base6.0V8FLEXFront
2017GMCSavana 3500LS6.0V8GASFront
2017GMCSavana 3500LS6.0V8FLEXFront
2017GMCSavana 3500LT6.0V8GASFront
2016ChevroletExpress 2500Base6.0V8FLEXFront
2016ChevroletExpress 2500Base6.0V8CNGFront
2016ChevroletExpress 2500Base6.0V8GASFront
2016ChevroletExpress 2500LT6.0V8GASFront
2016ChevroletExpress 2500LS6.0V8GASFront
2016ChevroletExpress 2500LT4.8V8FLEXFront
2016ChevroletExpress 2500Base4.8V8FLEXFront
2016ChevroletExpress 2500LS6.0V8FLEXFront
2016ChevroletExpress 2500LS4.8V8FLEXFront
2016ChevroletExpress 2500LT6.0V8FLEXFront
2016ChevroletExpress 3500LT6.0V8GASFront
2016ChevroletExpress 3500LS6.0V8GASFront
2016ChevroletExpress 3500LS6.0V8FLEXFront
2016ChevroletExpress 3500LS4.8V8FLEXFront
2016ChevroletExpress 3500LT4.8V8FLEXFront
2016ChevroletExpress 3500Base6.0V8FLEXFront
2016ChevroletExpress 3500Base4.8V8FLEXFront
2016ChevroletExpress 3500LT6.0V8FLEXFront
2016ChevroletExpress 3500Base6.0V8GASFront
2016ChevroletExpress 3500Base6.0V8CNGFront
2016GMCSavana 2500LS6.0V8GASFront
2016GMCSavana 2500LT6.0V8FLEXFront
2016GMCSavana 2500LS6.0V8FLEXFront
2016GMCSavana 2500LT4.8V8FLEXFront
2016GMCSavana 2500Base6.0V8GASFront
2016GMCSavana 2500LT6.0V8GASFront
2016GMCSavana 2500Base6.0V8FLEXFront
2016GMCSavana 2500LS4.8V8FLEXFront
2016GMCSavana 2500Base4.8V8FLEXFront
2016GMCSavana 2500LS6.0V8CNGFront
2016GMCSavana 2500Base6.0V8CNGFront
2016GMCSavana 3500LT6.0V8GASFront
2016GMCSavana 3500Base4.8V8FLEXFront
2016GMCSavana 3500Base6.0V8GASFront
2016GMCSavana 3500LS6.0V8GASFront
2016GMCSavana 3500LT6.0V8CNGFront
2016GMCSavana 3500Base6.0V8FLEXFront
2016GMCSavana 3500LS4.8V8FLEXFront
2016GMCSavana 3500LS6.0V8FLEXFront
2016GMCSavana 3500LS6.0V8CNGFront
2016GMCSavana 3500LT4.8V8FLEXFront
2016GMCSavana 3500LT6.0V8FLEXFront
2016GMCSavana 3500Base6.0V8CNGFront
2015ChevroletExpress 2500LT4.8V8FLEXFront
2015ChevroletExpress 2500LT6.0V8FLEXFront
2015ChevroletExpress 2500LS6.0V8CNGFront
2015ChevroletExpress 2500LS4.8V8FLEXFront
2015ChevroletExpress 2500Base4.8V8FLEXFront
2015ChevroletExpress 2500Base6.0V8FLEXFront
2015ChevroletExpress 2500Base6.0V8CNGFront
2015ChevroletExpress 2500LS6.0V8FLEXFront
2015ChevroletExpress 3500LS6.0V8CNGFront
2015ChevroletExpress 3500Base6.0V8FLEXFront
2015ChevroletExpress 3500Base6.0V8CNGFront
2015ChevroletExpress 3500LS6.0V8FLEXFront
2015ChevroletExpress 3500LS4.8V8FLEXFront
2015ChevroletExpress 3500LT6.0V8CNGFront
2015ChevroletExpress 3500LT4.8V8FLEXFront
2015ChevroletExpress 3500LT6.0V8FLEXFront
2015ChevroletExpress 3500Base4.8V8FLEXFront
2015GMCSavana 2500Base6.0V8CNGFront
2015GMCSavana 2500LS4.8V8FLEXFront
2015GMCSavana 2500LT6.0V8FLEXFront
2015GMCSavana 2500LS6.0V8FLEXFront
2015GMCSavana 2500Base6.0V8FLEXFront
2015GMCSavana 2500LT4.8V8FLEXFront
2015GMCSavana 2500Base4.8V8FLEXFront
2015GMCSavana 3500Base4.8V8FLEXFront
2015GMCSavana 3500Base6.0V8CNGFront
2015GMCSavana 3500LT6.0V8FLEXFront
2015GMCSavana 3500LS6.0V8FLEXFront
2015GMCSavana 3500LT4.8V8FLEXFront
2015GMCSavana 3500Base6.0V8FLEXFront
2015GMCSavana 3500LS4.8V8FLEXFront
2014ChevroletExpress 1500Base4.3V6GASFront
2014ChevroletExpress 1500LT5.3V8FLEXFront
2014ChevroletExpress 1500Base5.3V8FLEXFront
2014ChevroletExpress 1500LS5.3V8FLEXFront
2014ChevroletExpress 2500LT4.8V8FLEXFront
2014ChevroletExpress 2500LS6.0V8FLEXFront
2014ChevroletExpress 2500Base6.0V8FLEXFront
2014ChevroletExpress 2500Base4.8V8FLEXFront
2014ChevroletExpress 2500LT6.0V8FLEXFront
2014ChevroletExpress 2500LS4.8V8FLEXFront
2014ChevroletExpress 2500Base6.0V8CNGFront
2014ChevroletExpress 3500Base6.0V8FLEXFront
2014ChevroletExpress 3500LS6.0V8CNGFront
2014ChevroletExpress 3500Base6.0V8CNGFront
2014ChevroletExpress 3500LS6.0V8FLEXFront
2014ChevroletExpress 3500LS4.8V8FLEXFront
2014ChevroletExpress 3500Base4.8V8FLEXFront
2014ChevroletExpress 3500LT6.0V8FLEXFront
2014ChevroletExpress 3500LT4.8V8FLEXFront
2014ChevroletExpress 3500LT6.0V8CNGFront
2014GMCSavana 1500LT5.3V8FLEXFront
2014GMCSavana 1500LS5.3V8FLEXFront
Product info

The Dorman – OE Solutions Engine Coolant Reservoir part number 603-078 is a top-quality replacement part for your Chevrolet or GMC vehicle. This part is compatible with other part numbers including 15060681, 15209981, 25739061, and 25865663, making it a versatile option for many car models.

One of the key benefits of this engine coolant reservoir is its durability. Made from high-quality materials, this part is designed to last for years, providing reliable performance in all types of driving conditions. Additionally, this part is designed to meet or exceed OEM specifications, ensuring that it will fit and function perfectly in your vehicle.

The Dorman – OE Solutions Engine Coolant Reservoir part number 603-078 is also incredibly easy to install. With its direct replacement design, you can quickly and easily swap out your old reservoir for this new one, without any modifications or additional parts needed.

This part is an essential component of your vehicle’s cooling system, helping to regulate engine temperature and prevent overheating. By maintaining proper coolant levels, this engine coolant reservoir can help ensure that your vehicle runs smoothly and efficiently, minimizing the risk of engine damage and costly repairs.

Overall, if you’re in need of a reliable and high-quality replacement for your Chevrolet or GMC’s engine coolant reservoir, the Dorman – OE Solutions Engine Coolant Reservoir part number 603-078 is an excellent choice. With its durability, easy installation, and superior performance, this part is sure to provide years of dependable service.

About Dorman - OE Solutions

When looking for car aftermarket parts, Dorman OE Solutions is known for its dedication to quality, new ideas, and dependability. The company Dorman has been around for a long time, and they have always provided OE-quality parts that meet or beat industry standards. No matter how small the parts are or how complicated the systems are, Dorman OE Solutions has a wide range of products that are designed to keep your car running at its best.

At Newparts.com, we're proud to be an official seller of Dorman OE Solutions parts. In addition to Dorman OE Solutions parts for the engine, transmission, suspension, and electrical systems, we have a huge variety of exterior and interior accessories. It doesn't matter what your vehicle needs; Dorman is dedicated to providing reliable solutions that boost both speed and durability.

One important benefit of shopping at Newparts.com is that we always give customers cheap access to parts that aren't being used. Knowing how expensive it can be to keep cars in good shape and fix them when they break down, we try to offer reasonable prices on all Dorman parts. When you buy from us, you can save a lot of money without losing quality.

Along with having low prices, we put customer satisfaction first by sending all Dorman products out quickly. We understand how important time is when it comes to car repairs, so we work hard to make sure your orders get to you on time. Whether you're changing an old part or adding the newest innovations from Dorman to your car, you can count on us to get your parts to you quickly and easily. Reach out to us via phone. Call us now at 855-505-2886 and our customer service team will help you.

Check out how parts from Dorman OE Solutions can improve your car's speed and dependability. Every time you shop at Newparts.com, you can be sure of getting the best value, quality, and ease of use. Feel good about shopping. Find out why tens of thousands of drivers trust Dorman with all their car needs.

Specifications
California Proposition 65WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Cap IncludedYes
Cap TypeYes
ColorWhite
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity1
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

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Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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