Dorman 603-5124 coolant reservoir for the 2018-2020 International HX520 6-cylinder 14.9L and other vehicles holds engine coolant in a pressurized cooling system. Also called a coolant tank, it is a heavy-duty design.
- Dorman HD Solutions line with a heavy-duty pressurized design
- Plastic construction to withstand underhood heat and engine vibration
- Pressurized cap rated for a maximum of 15 psi
- Maximum capacity of 10.2 L with a working capacity of 8.8 L
Quick facts
- Part: Dorman 603-5124 coolant reservoir
- Also called: coolant tank
- Fits: 2018-2020 International HX520 6-cylinder 14.9L and other vehicles
- Material: Plastic
- Condition: New
A cracked or stained reservoir, or coolant that keeps dropping, can mean the reservoir has failed. Before you replace it, rule out a worn cap and a leaking hose, since either can also lose coolant. Check the level only with the engine cool.
Fits
It also fits the 2018-2020 International HX620 6-cylinder 14.9L, the 2017-2019 International LT625 6-cylinder 14.9L and the 2018-2019 LT625 6-cylinder 12.4L. It is a direct replacement that fits and works like the original part. The 2018-2020 International HX520 6-cylinder 14.9L takes one reservoir.
Specifications
Fit and size
- Length: 542.3 mm
- Height: 361.2 mm
- Mounting holes: 8
- Maximum capacity: 10.2 L
- Working capacity: 8.8 L
- Quantity per vehicle: 1
Build and materials
- Type: pressurized coolant reservoir
- Material: Plastic
- Cap pressure rating: 15 psi maximum
- Cap and mounting brackets: included
- Condition: New
- Country of origin: Taiwan
In the box
One coolant reservoir with its cap and mounting brackets. Mounting hardware and a level sensor are not included, so plan on new fasteners rather than reusing old ones.
Interchange: 575.10317 · 502.927
3583605C1 · 3583605C2 · 3583605C3 · 4062312C1
This part cross-references / interchanges with the following part numbers:
575.10317, 3583605C1, 3583605C2, 3583605C3, 4062312C1, 502.927
Frequently Asked Questions
Does this International LT625 coolant reservoir fit the 2017-2019 6-cylinder 14.9L and the 2018-2019 6-cylinder 12.4L?
Yes. Dorman 603-5124 fits the 2017-2019 International LT625 6-cylinder 14.9L and the 2018-2019 LT625 6-cylinder 12.4L.
Does this Dorman coolant reservoir come with the cap and mounting hardware?
Dorman 603-5124 includes one cap and the mounting brackets. Mounting hardware and a level sensor are not included.
What pressure is the cap on this pressurized coolant reservoir rated for?
The cap is rated for a maximum of 15 psi. The reservoir holds up to 10.2 L, with a working capacity of 8.8 L.
How can I tell if my plastic coolant reservoir is cracked or leaking?
With the engine off and cool, look for cracks, coolant stains or residue around the tank and its seams. A coolant level that keeps falling can also point to a leak.
Does Dorman 603-5124 replace part number 3583605C1?
Yes. 3583605C1 is on the list of numbers Dorman 603-5124 replaces, which also includes 4062312C1.
