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Please, add your first item to the wishlist

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Engine Coolant Reservoir – Front

PART#: 603-103
Dorman - OE Solutions

$18.29

In stock

Interchanges
BrandPart #
General Motors22677855
General Motors25636828
General Motors5075118
General Motors25631814
General Motors10409635
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1999BuickLeSabreLimited3.8V6GASFront
1999BuickLeSabreCustom3.8V6GASFront
1999Oldsmobile8850th Anniversary Edition3.8V6GASFront
1999Oldsmobile88Royale3.8V6GASFront
1999Oldsmobile88Royale LS3.8V6GASFront
1999OldsmobileLSSBase3.8V6GASFront
1999PontiacBonnevilleSSEi3.8V6GASFront
1999PontiacBonnevilleSE3.8V6GASFront
1999PontiacBonnevilleSSE3.8V6GASFront
1998BuickLeSabreCustom3.8V6GASFront
1998BuickLeSabreLimited3.8V6GASFront
1998Oldsmobile88Royale3.8V6GASFront
1998Oldsmobile88Royale LS3.8V6GASFront
1998OldsmobileLSSBase3.8V6GASFront
1998OldsmobileRegencyBase3.8V6GASFront
1998PontiacBonnevilleSSE3.8V6GASFront
1998PontiacBonnevilleSSEi3.8V6GASFront
1998PontiacBonnevilleSE3.8V6GASFront
1997BuickLeSabreLimited3.8V6GASFront
1997BuickLeSabreCustom3.8V6GASFront
1997Oldsmobile88Royale LS3.8V6GASFront
1997Oldsmobile88Royale3.8V6GASFront
1997OldsmobileLSSBase3.8V6GASFront
1997OldsmobileRegencyBase3.8V6GASFront
1997PontiacBonnevilleSE3.8V6GASFront
1997PontiacBonnevilleSSE3.8V6GASFront
1997PontiacBonnevilleSSEi3.8V6GASFront
1996BuickLeSabreLimited3.8V6GASFront
1996BuickLeSabreCustom3.8V6GASFront
1996BuickPark AvenueUltra3.8V6GASFront
1996BuickPark AvenueBase3.8V6GASFront
1996Oldsmobile98Regency Elite3.8V6GASFront
1996Oldsmobile88Royale LS3.8V6GASFront
1996Oldsmobile88Royale3.8V6GASFront
1996OldsmobileLSSBase3.8V6GASFront
1996PontiacBonnevilleSSEi3.8V6GASFront
1996PontiacBonnevilleSE3.8V6GASFront
1996PontiacBonnevilleSSE3.8V6GASFront
1995BuickLeSabreLimited3.8V6GASFront
1995BuickLeSabreCustom3.8V6GASFront
1995BuickPark AvenueUltra3.8V6GASFront
1995BuickPark AvenueBase3.8V6GASFront
1995Oldsmobile98Regency Elite3.8V6GASFront
1995Oldsmobile88Royale LSS3.8V6GASFront
1995Oldsmobile88Royale3.8V6GASFront
1995Oldsmobile88Royale LS3.8V6GASFront
1995PontiacBonnevilleSE3.8V6GASFront
1995PontiacBonnevilleSSE3.8V6GASFront
1995PontiacBonnevilleSSEi3.8V6GASFront
1994BuickLeSabreCustom3.8V6GASFront
1994BuickLeSabreLimited3.8V6GASFront
1994BuickPark AvenueUltra3.8V6GASFront
1994BuickPark AvenueBase3.8V6GASFront
1994Oldsmobile98Regency Elite3.8V6GASFront
1994Oldsmobile98Regency3.8V6GASFront
1994Oldsmobile88Royale3.8V6GASFront
1994Oldsmobile88Royale LS3.8V6GASFront
1994PontiacBonnevilleSSE3.8V6GASFront
1994PontiacBonnevilleSE3.8V6GASFront
1994PontiacBonnevilleSSEi3.8V6GASFront
1993BuickLeSabreLimited3.8V6GASFront
1993BuickLeSabreCustom3.8V6GASFront
1993BuickPark AvenueBase3.8V6GASFront
1993BuickPark AvenueUltra3.8V6GASFront
1993CadillacDeVilleBase4.9V8GASFront
1993CadillacDeVilleTouring4.9V8GASFront
1993Oldsmobile98Touring3.8V6GASFront
1993Oldsmobile98Regency3.8V6GASFront
1993Oldsmobile98Regency Elite3.8V6GASFront
1993Oldsmobile88Royale3.8V6GASFront
1993Oldsmobile88Royale LS3.8V6GASFront
1993PontiacBonnevilleSSE3.8V6GASFront
1993PontiacBonnevilleSE3.8V6GASFront
1993PontiacBonnevilleSSEi3.8V6GASFront
1992BuickLeSabreCustom3.8V6GASFront
1992BuickLeSabreLimited3.8V6GASFront
1992BuickPark AvenueBase3.8V6GASFront
1992BuickPark AvenueUltra3.8V6GASFront
1992CadillacDeVilleTouring4.9V8GASFront
1992CadillacDeVilleBase4.9V8GASFront
1992CadillacFleetwood60 Special4.9V8GASFront
1992CadillacFleetwoodBase4.9V8GASFront
1992CadillacFleetwoodd'Elegance4.9V8GASFront
1992Oldsmobile98Regency3.8V6GASFront
1992Oldsmobile98Touring3.8V6GASFront
1992Oldsmobile98Regency Elite3.8V6GASFront
1992Oldsmobile88Royale LS3.8V6GASFront
1992Oldsmobile88Royale3.8V6GASFront
1992PontiacBonnevilleSSE3.8V6GASFront
1992PontiacBonnevilleSE3.8V6GASFront
1992PontiacBonnevilleSSEi3.8V6GASFront
1991BuickPark AvenueBase3.8V6GASFront
1991BuickPark AvenueUltra3.8V6GASFront
1991CadillacDeVilleBase4.9V8GASFront
1991CadillacDeVilleTouring4.9V8GASFront
1991CadillacDeVilleSpring Edition4.9V8GASFront
1991CadillacFleetwoodBase4.9V8GASFront
1991CadillacFleetwood60 Special4.9V8GASFront
1991CadillacFleetwoodd'Elegance4.9V8GASFront
1991Oldsmobile98Regency Elite3.8V6GASFront
1991Oldsmobile98Touring3.8V6GASFront
Product info

The Dorman – OE Solutions Engine Coolant Reservoir part number 603-103 is the perfect replacement for your Buick, Cadillac, Oldsmobile or Pontiac’s damaged or worn out coolant reservoir. This top-quality reservoir is designed to meet or exceed OEM standards, ensuring an exact fit and long-lasting durability.

Constructed from high-quality materials, this engine coolant reservoir is engineered to withstand the extreme temperatures and pressure changes that occur within your engine’s cooling system. It’s also resistant to corrosion and leaks, ensuring your engine stays cool and protected.

This part type is compatible with other part numbers 10409635, 22677855, 25631814, and 25636828, making it easy to find the right part for your vehicle.

The Dorman – OE Solutions Engine Coolant Reservoir features a direct-fit design, which means it installs easily without the need for modifications. This makes it an ideal choice for DIY mechanics or professional technicians who want a hassle-free installation.

When it comes to usage, this engine coolant reservoir is essential for maintaining your engine’s optimal performance and preventing overheating. It works by storing and circulating the coolant throughout the engine, keeping it at the right temperature and preventing damage.

Overall, the Dorman – OE Solutions Engine Coolant Reservoir part number 603-103 is an excellent replacement part that offers superior quality, performance, and reliability. With its advanced design and construction, you can be confident that your engine will stay cool and protected for miles to come.

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
Height262
Length242
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity2
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

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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