1 / 7Dorman 603-833 Engine Coolant Reservoir for Select Ram Models
Dorman 603-833 is an engine coolant reservoir listed as compatible with select Ram models. It is described as a direct replacement, but exact fit depends on the vehicle’s make, model and trim, so confirm compatibility before ordering.
At a glance
- Listed as a direct replacement intended to match the original part’s fit and function.
- Dorman describes the reservoir as designed for underhood heat and vibration.
- The listing advises checking fit by vehicle make, model and trim.
Often bought together
Pros and cons
Pros
- Vehicle-specific replacement positioning can help narrow the search for a compatible Ram reservoir.
- Customers report positive experiences with fit, quality and installation, including for a specific 2015 Ram 1500 3.0 EcoDiesel configuration.
Technical specifications
4 specifications| Brand | Dorman |
|---|---|
| Model | 603-833 |
| Dimensions listed | 42.2 x 20.1 x 25.1 centimetres |
|---|
| Material listed | Plastic Metal |
|---|
What to know before buying
- The listing specifies select Ram models, not a complete compatibility range. Confirm the part against your exact vehicle configuration before purchase. The listed plastic-and-metal material and dimensions are product claims, not independent measurements.
Who is it for?
A good fit for
- Owners or repairers replacing a coolant reservoir on a Ram configuration confirmed to fit part 603-833.
- Buyers seeking a direct-replacement style reservoir rather than a universal tank.
Less suited to
- Anyone who has not confirmed compatibility with the vehicle’s make, model and trim.
- Buyers needing a reservoir for a non-Ram application or a universally compatible part.
Customer reviews on Amazon
- 5 stars
83% 83% - 4 stars
13% 13% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
4% 4%
Customer feedback is largely positive, with reported praise for fit, quality, function and straightforward installation. The summary includes a specific 2015 Ram 1500 3.0 EcoDiesel fit report, but that does not establish compatibility with every Ram configuration. The mostly high rating distribution is encouraging, while a small one-star share shows experiences are not uniformly positive. Treat these reports as context, not a substitute for confirming vehicle fit.
Positive themes
- Customers report good fit and quality comparable to the original.
- Customers describe installation as straightforward.
Frequently asked questions
Will Dorman 603-833 fit every Ram?
No. It is listed for select Ram models. Confirm the exact vehicle make, model and trim against the part before ordering.
Is this described as a direct replacement?
Yes. The listing describes it as a direct replacement intended to match the original part’s fit and function.
What material and dimensions are listed?
The listing gives the material as Plastic Metal and dimensions as 42.2 x 20.1 x 25.1 centimetres.
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