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Dorman 603-300 Front Engine Coolant Reservoir for Select Jeep Models, Black

Dorman 603-300 Front Engine Coolant Reservoir for Select Jeep Models, Black

Dorman 603-300 Front Engine Coolant Reservoir for Select Jeep Models, Black
$ 16.58

Score By Feature

Based on 217 ratings
Easy to install
9.80
Value for money
8.50

OveReview Final Score

How Our Score Is Calculated

Product Description

Replaces the original part with one that is built to the same specifications as the original
The best option - designed to fit seamlessly into any environment
Construction made of durable materials that can withstand the heat and vibration under the hood
Designed with 100 years of experience in the automotive aftermarket, it provides reliable performance
For your complete peace of mind, insure that the part fits your specific vehicle by entering the make, model, and trim level into Amazon Garage before ordering

Questions & Answers

A diagram of the installation is available?

Nothing to worry about, the installation is simple.

dimensions of the tank in terms of length, width, and height?

Thanks for your question, Peter. I measured the tank itself, and the dimensions are shorter than the length of the hose nip. A 10 inch tank, measuring 6 inches in length and width (including indexing buttons on the back side), 6 1/2 inches in height (including buttons), and 3 1/2 inches in width. Thank you. I hope this is helpful. Located right behind the firewall on the right side of the vehicle, the tank is on an "L" pad mounted to the firewall. The Bruce Hilton

Can you also put the hose in the bottom of the tank?

There is no include hose with the purchase. Since it does not appear, if you are asking whether or not the hose has a lower out, there is one. This is the same one I bought in Jan 2015, and it's still doing a great job.

On what size barbs should the hose be attached?

There is a hose connector for 5/8" ID tubing in that size

Selected User Reviews For Dorman 603-300 Front Engine Coolant Reservoir for Select Jeep Models, Black

Get the best deals for Jeep Cherokees from 1987 to 1994 The number of owners stands at 90
5/5

Over these years of ownership, you'll need a FEW of these bottles if you drive or own one of these classic original SUVs. The Dorman bottle looks like the OEM and comes with a pressure cap that is slightly improved, with brass and stainless internal plates and a conventional spring. The washer is made of durable neoprene, not This bottle comes with a "Limited Lifetime Warranty," so buying a few will save you a lot over the course of a few years! Considering how much it costs at Amazon, it's a great buy!* Owner/User The best way to ensure a perfect fit is to wrap a 2" diameter stainless steel heavy duty hose clamp around the cap.

Jaxen Boyer
Jaxen Boyer
| Jun 14, 2021
The Renault Alliance can even use it! I found that the original coolant bottle on my car was split at the top where the hose entered The cooling system spits and bubbles during a hot day, causing the fluid to evaporate
5/5

Plastic on the rest of the end and the plastic on the ends looked like they were close to breaking apart. I found this to be a direct fit. The new one is more flexible than the old one, but when the engine is really hot, it bulges a bit. The fittings are well made, and I like how it also came with the In addition to seeing the coolant level without taking off the cap, it also lets me know when to replace the fluid! Jeep failure point is perfectly replaced by this product.

Victor HAYWARD
Victor HAYWARD
| Oct 23, 2020
The original is as good as this
4/5

Our 1989 Cherokee with the straight 6 runs fine on it just as well as the original bottle, and then the one after that, and then another after that. So, they deserve 4 stars, as every bottle fails within a short period of time due to shrinkage of the neck and loss of coolant pressure. Could the problem be resolved if the inside of the bottle fill neck was reinforced with a metal band (maybe?) to keep it tight to the cap long term? I have no complaints with the product it is up to par with I would like to see an outfit become more concerned about the time proven problem. It is a big bummer when they fail when you are on the road.

Kimberly Frost
Kimberly Frost
| Dec 15, 2020
A couple of these would be a good deal for the price
5/5

I used it on my 1989 Jeep C-150 Comanche 4. It worked perfectly. Older generations of the 4 had coolant tanks. I usually leave my Jeep Comanche in the garage since it's in excellent shape, but so far, so good. Jeeps leak like sieves after a short time. My Comanche has been leaking like a sieve. Since these are thus cheap, you might as well keep a few available. It cost just $4 for four. With the closed cooling system, the 0 is looking pretty dated, and you never know when they will stop manufacturing them.

Mikaela Hunt
Mikaela Hunt
| Nov 24, 2020
Replace with an OEM unit
4/5

Basically the same as the part it replaced the cap can be difficult to screw on at times, but it does the job.

Ayleen Haas
Ayleen Haas
| Aug 13, 2021
This fits well and is not leaky
5/5

Despite fitting properly and not leaking, this part does not bother me. It is anticipated that it will last for four months I think it will take the same amount of time as the last one.

Crew Valdez
Crew Valdez
| Oct 18, 2020
The first half of the year has been good so far
4/5

1987 Jeep Cherokee 4 - that's where I got it from. The letter L. Since I bought this Jeep 21 years ago, I have owned it for a couple of Over 300,000 miles have been put on this vehicle and it has proven to be extremely dependable. As far as the coolant reservoir is concerned, this is the only constant problem. There are six reservoirs in this vehicle, which is the minimum. At first, I got them from the dealer. But as soon as the dealer changed vendors, the cap fell off. Three of them were consumed in a year and I gave up trying. Later, I received an email with an after-dinner note I then modified a Volvo reservoir since it was very close to what I built. It lasted about two years and had to be replaced twice. I worked with it for about four years, but it suddenly stopped working when I was away. It let go after one or two years after I replaced it with another after market part. My first impression of this reservoir was that it feels and looks heavier than any other I have used before. This fitting is designed for use with in-market reservoirs, and it has a brass insert in the top fitting to prevent crushing of the plastic when you tighten the clamp. There is a positive fit between the cap and the reservoir. It screws on tight and seals well. We are now ready to start the time test.

Davion Solomon
Davion Solomon
| Nov 09, 2020
This is the coolant tank for a Jeep Cherokee
5/5

The coolant tank on my 1987 Cherokee has cracked and been pinholed three times in the last 10 years due to cracks and corrosion. From the Jeep dealership were the first two. Also, three times I have replaced the cap, as some cap crack, or may not stay tight enough, or may not maintain pressure for very long. There is a cap on this tank and it appears to be well made. I like the fit of the cap, and it is able to be tightened down tightly. Because of my previous experience with coolant tank failures, I consider this one a safe choice because it has a lifetime warranty.

Mitchell Curry
Mitchell Curry
| Dec 08, 2020

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