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Engine Coolant Reservoir Dorman

4 on 14 ratings
  • Features:
    • Universal design - this coolant reservoir is not vehicle-specific, and is designed for convenient use in a variety of applications where a durable reservoir is needed
    • Thick wall construction - manufactured from quality plastic to withstand heat and vibration
    • Complete solution - features three mounting holes for installation flexibility, and includes a vented cap
    • Trustworthy quality - designed in the United States and backed by more than a century of automotive aftermarket excellence
  • This convenient universal-fit coolant reservoir is designed for use in a variety of automotive, marine and other applications. Manufactured from quality plastic, the reservoir's thick walls are engineered to withstand heat and vibration, with three mounting holes for maximum flexibility for installations where space is tight. It comes complete with a vented cap.
  • Fitment Warning:
    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
This item is not specific to any vehicle. Click here to learn more
Universal
103 In Stock
Best Price:

$20.91 USD
$25.09 USD
Brand Dorman
Part # D18603-001
Condition New
Warehouse B
Dorman

Dorman Engine Coolant Reservoir 603-001
  • Universal Reservoir
    • Dorman Products is one of the most versatile, innovative and interesting manufacturers in the automotive aftermarket as their strength comes in providing the auto parts and equipment that you need, are hard to find, or otherwise previously known as "dealer only". Dorman specializes in the a lot of the basic parts and tools any mechanic or do-it-yourselfer needs, like screws and bolts of all styles and shapes, including specialty automotive parts. Dorman also focuses on providing original equipment replicated parts that strictly adhere to OEM specifications, but usually go to improve durability and/or performance by using better materials or enhancing design. For nearly 100 years Dorman has been filling the needs of the auto parts world.
    Featuring Dorman hydraulic brake hoses, parking brake cables, door mirrors and door handles, brake master cylinders, window motors and window regulators, control arm and ball joint assemblies, drum brake wheel cylinders, wheel lugs, disc brake hardware kits, cooling fans, intake and exhaust manifolds, fuel tanks, and so much more!

    General

    Cap Included
    Yes
    Mounting Hardware Included
    No
    Package Contents
    1 Coolant Reservoir; 1 Cap
    Mounting Brackets Included
    Yes
    Length
    126
    Pressurized
    No
    Cap Type
    Yes
    Mounting Hole Quantity
    3
    Height
    166

    Packaging

    length
    7.30
    width
    5.10
    height
    8.40
    weight
    0.73
    Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.
    1. AutoPartsWAY Customer
      09 Feb, 2015
      Worked well on 2002 GMC envoy.The old reservoir had been leaking and this one was a great fit.Getting that 'around' wire was a bit tricky- but it fit.The unit comes w/ the hose as shown in pic.Held well for over 3 months before I got rid of truck.
    2. steve
      27 Dec, 2014
      WORKS GREAT..MY OLD ONE HAD A LEAK IN A WEIRD PLACE @/ OR NEAR BOTTOM OF THE TREADS WAS HARD TO SEE REPLACED WITH THIS ONE DID THE TRICK 5-TO 10 MINUTE JOB GOOD FIT
    3. Talguy
      27 Aug, 2014
      Perfect fit. Just like the original. It is made of clear plastic so it is easy to see fluid levels. The only drawback is the pressure cap provided is rated at 18lbs. The 98 Malibu I have only needs a 15lb cap.
    4. Mario Galotti
      14 Aug, 2014
      very good part, I will enjoy
    5. Alberto
      28 Mar, 2014
      Installed in my car, it is working perfectly even now my car hasen't overheat now because this item it works perfectly.
    6. Matthew M Norris
      20 Mar, 2014
      Got the two flashing lights on my Saturn 99 SC2, even after washing the old tank it didn't fix the issue. Ordered this one, came quickly, easy install and worked right away. This is how replacement parts should work.
    7. Domingo Vazquez
      05 Feb, 2014
      I saved money by purchasing the item through AutoPartsWAY and just having the mechanic install it. I highly recommend it. It is the same part you can by locally, but it is more expensive, so save some money instead and buy it yourself.
    8. randy
      25 Dec, 2013
      I thought this was a good price. Arrived on time . Fit perfectly. No complaints. I put this in an 03 avelanche IDT the ad said it was for this vehicle but i took a gamble. It did say it would fit a 5.3 chev truck.
    9. sonia romero
      03 Jul, 2013
      I was very happy to have found this and i was able to replace my old with new and works perfect.
    10. Richard Wagoner
      11 Nov, 2012
      Looks and mounts just like the original. Comes with a cap, a nice bonus.I installed it in my 1999 Silverado ... fits perfectly even though the fit guide says it will not. Often I wonder who puts these guides together since they are often wrong.Anyway, the part is nice. Like someone else mentioned, I swapped the plastic overflow hose (as the official GM part now has as well) with the original rubber hose that is still in good condition.Save big bucks compared with the dealer. I am a very happy camper ...
    11. Nathaniel
      22 May, 2012
      So far so good. I should wait until after the summer and give a better review. None-the-less, it appears to match the OEM coolant reservoir that came with my Chevy Tahoe. The only negative is the black plastic flextube overflow that came with it. I pulled that off and used the heavy duty rubber tubing that was on the old one. Other than that, I am happy.
    12. rick1276
      06 Sep, 2011
      I purchased this item from AutoPartsWAY a few days ago for my 1966 GTO project (for the past 10 years) car. It fit perfectly on the passenger side core support next to the aluminum radiator. I would highly recommend this product for that purpose. It can also be used as a washer bottle. The instructions that come with it are good, although very small printing. To use it as a coolant overlow / closed system, you will need to drill out the bottom 13/64" but it already has a hole started so it will be easy. It does come with a cap (not shown) which already has a pinhole in it to create the vacuum needed for the coolant to re-circulate into the radiator.It took me about an hour to install it, mostly due to location selection, and drilling through that "real steel."2-thumbs up !!
    13. Douglas T. Matthews "D mechanic"
      01 Nov, 2009
      Some times they don't make the correct over flow bottle. This one is a great answer. other universal bottles are poor quality and cost twice as much.
    14. Daniel G. Mcnarry "Dan McNarry"
      18 Aug, 2009
      I was looking around for something to use as a coolant recovery tank for my 1962 Cadillac. I found this item and am I ever glad I did. It is small enough to fit almost any application and yet it holds lot's of coolant. It is well made although the inlet spiggot was molded solid. I drilled it out and all was well. It mounts solidly using the three lugs. The cap is well vented but will not allow coolant to escape due to splashing. All in all, a great buy.Dan McNarry

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