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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Engine Coolant Reservoir – Front

PART#: 603-385
Dorman - OE Solutions

$41.95

In stock

Interchanges
BrandPart #
General Motors25941270
General Motors22917996
General Motors20902124
General Motors13502353
General Motors22950436
General Motors22924025
General Motors13220124
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2019CadillacXTSLivery3.6V6GASFront
2019CadillacXTSBase3.6V6GASFront
2019CadillacXTSVsport Platinum3.6V6GASFront
2019CadillacXTSLuxury3.6V6GASFront
2019CadillacXTSPlatinum3.6V6GASFront
2019CadillacXTSPremium Luxury3.6V6GASFront
2019ChevroletImpalaPremier3.6V6FLEXFront
2019ChevroletImpalaLS3.6V6FLEXFront
2019ChevroletImpalaLT3.6V6FLEXFront
2019ChevroletImpalaLT2.5L4GASFront
2019ChevroletImpalaLT3.6V6GASFront
2019ChevroletImpalaLS3.6V6GASFront
2019ChevroletImpalaLS2.5L4FLEXFront
2019ChevroletImpalaPremier3.6V6GASFront
2019ChevroletImpalaLS2.5L4GASFront
2019ChevroletImpalaLT2.5L4FLEXFront
2018CadillacXTSLivery3.6V6GASFront
2018CadillacXTSPremium Luxury3.6V6GASFront
2018CadillacXTSBase3.6V6GASFront
2018CadillacXTSPlatinum3.6V6GASFront
2018CadillacXTSLuxury3.6V6GASFront
2018CadillacXTSVsport Platinum3.6V6GASFront
2018ChevroletImpalaLS3.6V6FLEXFront
2018ChevroletImpalaPremier3.6V6FLEXFront
2018ChevroletImpalaLT3.6V6FLEXFront
2018ChevroletImpalaLS2.5L4FLEXFront
2018ChevroletImpalaLS2.5L4GASFront
2018ChevroletImpalaLT2.5L4FLEXFront
2018ChevroletImpalaLT2.5L4GASFront
2017BuickRegalBase2.4L4GASFront
2017BuickRegalPremium2.0L4GASFront
2017BuickRegalGS2.0L4GASFront
2017BuickRegalBase2.0L4GASFront
2017BuickRegalBase2.4L4FLEXFront
2017BuickRegalSport Touring2.0L4GASFront
2017CadillacXTSLivery3.6V6GASFront
2017CadillacXTSVsport Platinum3.6V6GASFront
2017CadillacXTSBase3.6V6GASFront
2017CadillacXTSPremium Luxury3.6V6GASFront
2017CadillacXTSVsport Premium Luxury3.6V6GASFront
2017CadillacXTSPlatinum3.6V6GASFront
2017CadillacXTSLuxury3.6V6GASFront
2017ChevroletImpalaLS2.5L4GASFront
2017ChevroletImpalaLT3.6V6FLEXFront
2017ChevroletImpalaLS3.6V6BI-FUELFront
2017ChevroletImpalaLT2.5L4GASFront
2017ChevroletImpalaLT3.6V6BI-FUELFront
2017ChevroletImpalaLS3.6V6FLEXFront
2017ChevroletImpalaLT2.5L4FLEXFront
2017ChevroletImpalaPremier3.6V6FLEXFront
2017ChevroletImpalaLS2.5L4FLEXFront
2016BuickLaCrosseBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2016BuickLaCrosseBase3.6V6GASFront
2016BuickLaCrossePremium3.6V6FLEXFront
2016BuickLaCrosseLeather3.6V6FLEXFront
2016BuickLaCrosseLeather2.4L4MILD HYBRID EV-GAS (MHEV)Front
2016BuickLaCrosseSport Touring3.6V6GASFront
2016BuickLaCrosseBase3.6V6FLEXFront
2016BuickLaCrossePremium3.6V6GASFront
2016BuickLaCrosseLeather3.6V6GASFront
2016BuickLaCrosseSport Touring3.6V6FLEXFront
2016BuickRegalBase2.4L4GASFront
2016BuickRegalGS2.0L4GASFront
2016BuickRegalPremium2.4L4MILD HYBRID EV-GAS (MHEV)Front
2016BuickRegalBase2.0L4GASFront
2016BuickRegalBase2.4L4FLEXFront
2016BuickRegalPremium2.0L4GASFront
2016BuickRegalSport Touring2.0L4GASFront
2016CadillacSRXPremium3.6V6FLEXFront
2016CadillacSRXLuxury3.6V6FLEXFront
2016CadillacSRXPerformance3.6V6FLEXFront
2016CadillacSRXLuxury3.6V6GASFront
2016CadillacSRXPremium3.6V6GASFront
2016CadillacSRXBase3.6V6GASFront
2016CadillacSRXPerformance3.6V6GASFront
2016CadillacSRXBase3.6V6FLEXFront
2016CadillacXTSBase3.6V6GASFront
2016CadillacXTSLuxury3.6V6GASFront
2016CadillacXTSVsport Platinum3.6V6GASFront
2016CadillacXTSLivery3.6V6GASFront
2016CadillacXTSPremium3.6V6GASFront
2016CadillacXTSVsport Premium3.6V6GASFront
2016CadillacXTSPlatinum3.6V6GASFront
2016ChevroletImpalaLT2.5L4GASFront
2016ChevroletImpalaLS2.5L4GASFront
2016ChevroletImpalaLT2.5L4FLEXFront
2016ChevroletImpalaLT3.6V6BI-FUELFront
2016ChevroletImpalaLS2.5L4FLEXFront
2016ChevroletImpalaLTZ2.5L4GASFront
2016ChevroletImpalaLT3.6V6FLEXFront
2016ChevroletImpalaLTZ3.6V6FLEXFront
2016ChevroletImpalaLTZ2.5L4FLEXFront
2016ChevroletImpalaLS3.6V6BI-FUELFront
2016ChevroletMalibu LimitedLS2.5L4GASFront
2016ChevroletMalibu LimitedLT2.5L4GASFront
2016ChevroletMalibu LimitedLTZ2.5L4GASFront
2015BuickRegalBase2.4L4FLEXFront
2015BuickRegalBase2.0L4GASFront
2015BuickRegalGS2.0L4GASFront
2015BuickRegalPremium2.4L4MILD HYBRID EV-GAS (MHEV)Front
2015BuickRegalPremium2.0L4GASFront
2015BuickLaCrosseBase3.6V6FLEXFront
2015BuickLaCrosseBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2015BuickLaCrosseLeather2.4L4MILD HYBRID EV-GAS (MHEV)Front
2015BuickLaCrosseLeather3.6V6FLEXFront
2015BuickLaCrossePremium3.6V6FLEXFront
2015CadillacSRXPremium3.6V6FLEXFront
2015CadillacSRXBase3.6V6FLEXFront
2015CadillacSRXPerformance3.6V6FLEXFront
2015CadillacSRXLuxury3.6V6FLEXFront
2015CadillacXTSPlatinum3.6V6GASFront
2015CadillacXTSBase3.6V6GASFront
2015CadillacXTSLuxury3.6V6GASFront
2015CadillacXTSLivery3.6V6GASFront
2015CadillacXTSPremium3.6V6GASFront
2015CadillacXTSVsport Premium3.6V6GASFront
2015CadillacXTSVsport Platinum3.6V6GASFront
2015ChevroletImpalaLTZ2.5L4GASFront
2015ChevroletImpalaLS3.6V6BI-FUELFront
2015ChevroletImpalaLTZ3.6V6FLEXFront
2015ChevroletImpalaLT3.6V6FLEXFront
2015ChevroletImpalaLT3.6V6BI-FUELFront
2015ChevroletImpalaLT2.5L4GASFront
2015ChevroletImpalaLS2.5L4GASFront
2015ChevroletMalibuLT2.5L4GASFront
2015ChevroletMalibuLS2.5L4GASFront
2015ChevroletMalibuLT2.0L4GASFront
2015ChevroletMalibuLTZ2.0L4GASFront
2015ChevroletMalibuLTZ2.5L4GASFront
2014BuickLaCrosseLeather2.4L4MILD HYBRID EV-GAS (MHEV)Front
2014BuickLaCrosseLeather3.6V6FLEXFront
2014BuickLaCrosseBase3.6V6FLEXFront
2014BuickLaCrosseBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2014BuickLaCrossePremium3.6V6FLEXFront
2014BuickRegalGS2.0L4GASFront
2014BuickRegalBase2.0L4GASFront
2014BuickRegalPremium2.0L4GASFront
2014BuickRegalPremium2.4L4MILD HYBRID EV-GAS (MHEV)Front
2014BuickRegalBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2014CadillacXTSVsport Premium3.6V6GASFront
2014CadillacXTSVsport Platinum3.6V6GASFront
2014CadillacXTSBase3.6V6GASFront
2014CadillacXTSPlatinum3.6V6GASFront
2014CadillacXTSLuxury3.6V6GASFront
2014CadillacXTSLivery3.6V6GASFront
2014CadillacXTSPremium3.6V6GASFront
2014CadillacSRXPerformance3.6V6FLEXFront
2014CadillacSRXBase3.6V6FLEXFront
2014CadillacSRXLuxury3.6V6FLEXFront
2014CadillacSRXPremium3.6V6FLEXFront
2014ChevroletImpalaLTZ2.5L4GASFront
2014ChevroletImpalaLTZ3.6V6FLEXFront
2014ChevroletImpalaEco2.4L4MILD HYBRID EV-GAS (MHEV)Front
2014ChevroletImpalaLT3.6V6FLEXFront
2014ChevroletImpalaLT3.6V6GASFront
2014ChevroletImpalaLS2.5L4GASFront
2014ChevroletImpalaLT2.5L4GASFront
2014ChevroletImpalaLTZ3.6V6GASFront
2014ChevroletMalibuLS2.5L4GASFront
2014ChevroletMalibuLTZ2.0L4GASFront
2014ChevroletMalibuEco2.4L4MILD HYBRID EV-GAS (MHEV)Front
2014ChevroletMalibuLTZ2.5L4GASFront
2014ChevroletMalibuLT2.0L4GASFront
2014ChevroletMalibuLT2.5L4GASFront
2013BuickLaCrosseLeather2.4L4MILD HYBRID EV-GAS (MHEV)Front
2013BuickLaCrosseLeather3.6V6FLEXFront
2013BuickLaCrosseBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2013BuickLaCrosseBase3.6V6FLEXFront
2013BuickLaCrosseTouring3.6V6FLEXFront
2013BuickLaCrossePremium3.6V6FLEXFront
2013BuickRegalGS2.0L4FLEXFront
2013BuickRegalBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2013BuickRegalPremium2.4L4MILD HYBRID EV-GAS (MHEV)Front
2013BuickRegalPremium2.0L4FLEXFront
2013CadillacXTSPremium3.6V6GASFront
2013CadillacXTSLivery3.6V6GASFront
2013CadillacXTSPlatinum3.6V6GASFront
2013CadillacXTSBase3.6V6GASFront
2013CadillacXTSLuxury3.6V6GASFront
2013CadillacSRXPerformance3.6V6FLEXFrontwo/Low Fluid Sensor
2013CadillacSRXBase3.6V6FLEXFrontwo/Low Fluid Sensor
2013CadillacSRXLuxury3.6V6FLEXFrontwo/Low Fluid Sensor
2013CadillacSRXPremium3.6V6FLEXFrontwo/Low Fluid Sensor
2013ChevroletMalibuLT2.5L4GASFront
2013ChevroletMalibuLTZ2.5L4GASFront
2013ChevroletMalibuLS2.5L4GASFront
2013ChevroletMalibuLT2.0L4GASFront
2013ChevroletMalibuEco2.4L4MILD HYBRID EV-GAS (MHEV)Front
2013ChevroletMalibuLTZ2.0L4GASFront
2012BuickLaCrosseBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2012BuickLaCrosseLeather3.6V6FLEXFront
2012BuickLaCrosseLeather2.4L4MILD HYBRID EV-GAS (MHEV)Front
2012BuickLaCrossePremium3.6V6FLEXFront
2012BuickLaCrosseConvenience3.6V6FLEXFront
2012BuickLaCrosseBase3.6V6FLEXFront
2012BuickLaCrossePremium2.4L4MILD HYBRID EV-GAS (MHEV)Front
2012BuickLaCrosseConvenience2.4L4MILD HYBRID EV-GAS (MHEV)Front
2012BuickLaCrosseTouring3.6V6FLEXFront
2012BuickRegalPremium2.0L4FLEXFront
2012BuickRegalBase2.4L4MILD HYBRID EV-GAS (MHEV)Front
2012BuickRegalBase2.4L4FLEXFront
2012BuickRegalPremium2.4L4MILD HYBRID EV-GAS (MHEV)Front
2012BuickRegalGS2.0L4FLEXFront
2012CadillacSRXPerformance3.6V6FLEXFrontwo/Low Fluid Sensor
2012CadillacSRXLuxury3.6V6FLEXFrontwo/Low Fluid Sensor
2012CadillacSRXBase3.6V6FLEXFrontwo/Low Fluid Sensor
2012CadillacSRXPremium3.6V6FLEXFrontwo/Low Fluid Sensor
2011BuickRegalCXL2.4L4GASFront
2011BuickRegalCXL2.0L4FLEXFront
2011BuickLaCrosseCXS3.6V6GASFront
2011BuickLaCrosseCXL3.6V6GASFront
2011BuickLaCrosseCXL2.4L4GASFront
2011BuickLaCrosseCX2.4L4GASFront
2011BuickLaCrosseCX3.6V6GASFront
2011CadillacSRXBase3.0V6GASFront
2011CadillacSRXPerformance3.0V6GASFront
2011CadillacSRXLuxury3.0V6GASFront
2011CadillacSRXPremium3.0V6GASFront
2010BuickLaCrosseCX2.4L4GASFront
2010BuickLaCrosseCX3.0V6GASFront
2010BuickLaCrosseCXS3.6V6GASFront
2010BuickLaCrosseCXL3.0V6GASFront
2010CadillacSRXPerformance3.0V6GASFront
2010CadillacSRXLuxury3.0V6GASFront
2010CadillacSRXBase3.0V6GASFront
2010CadillacSRXPremium3.0V6GASFront
Product info

The Dorman – OE Solutions Engine Coolant Reservoir part number 603-385 is uniquely designed to fit Buick, Cadillac, and Chevrolet vehicles. This part is compatible with other part numbers, including 13220124, 13502353, 20902124, and 22917996, making it a versatile replacement option for various makes and models.

Constructed with high-quality materials, this engine coolant reservoir provides long-lasting durability and exceptional performance. It’s built to withstand extreme temperatures and pressure, ensuring that your vehicle’s engine remains cool, even under harsh driving conditions.

The Dorman – OE Solutions Engine Coolant Reservoir part number 603-385 is also incredibly easy to install, fitting seamlessly into your vehicle’s existing system without any modifications. This makes it an ideal replacement option for DIY car enthusiasts and professional mechanics alike.

By replacing your vehicle’s old, worn-out coolant reservoir with this high-quality Dorman – OE Solutions part, you can prevent costly engine damage and prolong the life of your vehicle. Don’t let a faulty coolant reservoir cause overheating or engine failure – upgrade to the Dorman – OE Solutions Engine Coolant Reservoir part number 603-385 today!

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 Maximum Pressure Rating20
Cap TypeSpring Loaded Twist
Capacity1.2 Lt.
ColorBlack and Clear
Height10
Length10
Level Sensor IncludedNo
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedYes
ShapeIrregular
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

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

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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