Looking for a replacement coolant reservoir for a Volvo or Mack heavy-duty truck?
The JTL 603-5505 Coolant Reservoir Tank is listed for selected Volvo and Mack truck applications. Use the information below to compare your current reservoir, vehicle application and replacement references before ordering.
⚙ PART INFORMATION
JTL Part Number: JTL-R5505
Reference Number: 603-5505
Part Type: Coolant Reservoir / Expansion Tank
Application: Selected Volvo & Mack heavy-duty trucks
Published Years: 2008–2017
The JTL 603-5505 is designed as a replacement coolant reservoir for specific heavy-duty truck applications. Always compare the catalog information with the reservoir currently installed on your truck.
🚚 VEHICLE APPLICATIONS
According to the JTL Parts catalog, the 603-5505 is listed for selected applications in the following truck families:
Volvo
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VHD
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VNL
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2008–2017
Mack
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CHU
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CXN
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CXU
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2008–2017
Application can vary depending on vehicle configuration. Use the make, model, year and existing part information together when reviewing fitment.
↔ CROSS REFERENCES
Cross-reference numbers can make the search for a replacement much easier.
The JTL 603-5505 can be compared with the following documented references:
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OE: 21846997
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Dorman: 603-5505
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Automann: 575.1082
If your existing coolant reservoir has a visible part number, compare it with these references and keep that number available when contacting JTL Parts.
◉ FITMENT CHECK
Before ordering, compare more than just the truck model and year.
Check the following details:
Current Part Number
Compare the number on your existing reservoir with the OE and replacement references listed above.
Truck Information
Confirm the make, model and model year.
Reservoir Shape
Compare the overall design with the JTL product photos.
Mounting Points
Check that the mounting locations match your existing reservoir.
Hose Connections
Compare the number, location and orientation of the connections.
Cap and Component Locations
Verify the position of the cap and other visible components.
Using several points of comparison helps narrow down the correct replacement and reduces the chance of ordering the wrong application.
🛡 HEAVY-DUTY PERFORMANCE
The coolant reservoir is part of the truck's cooling system, storing coolant and providing space for expansion as temperatures change during operation.
For truck owners, mechanics, repair shops and fleet maintenance teams, having the correct replacement information before ordering makes the parts search faster and more straightforward.
The JTL 603-5505 provides a replacement option for the listed Volvo and Mack heavy-duty truck applications.
▣ JTL SUPPORT
Need Help Finding the Right Part?
Not sure if the 603-5505 is the correct coolant reservoir for your truck?
When contacting JTL Parts, have the following information ready:
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Current part number
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Truck make
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Truck model
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Model year
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Photos of the existing part, when available
Our team can help you review the available application information and find the right replacement for your needs.
Explore heavy-duty replacement parts at jtlparts.com.
