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Description
xOverview
GDUKOP introduces the 603-380 engine coolant reservoir tank with cap, a purpose‑built replacement for select Chrysler and Dodge models. Designed to mirror the original shape and mounting points, this component helps maintain coolant volume under typical driving conditions, supporting steady engine cooling and smoother maintenance routines.
Key compatibility and replacements
- Chrysler 300 from 2011 to 2023
- Dodge Challenger from 2011 to 2023
- Dodge Charger from 2011 to 2023
- Replacement OE numbers include 603-380, 4596198, 5086226AA, 55111260AB, 55111260AC, 55111260AD, 55111260AE, 55111260AF, 55116897AA
Material quality and design
Crafted from durable, heat‑resistant plastic, the reservoir resists engine heat and is built to minimize cracking or leaks. The included cap ensures a complete upgrade, delivering a secure seal to help reduce minor leaks during operation.
Direct fit and ease of installation
This tank is engineered as a direct replacement, allowing for straightforward installation with minimal or no modifications. It aligns with factory mounting points for a hassle‑free swap, and the cap threads securely to support a tight, leak‑free seal.
Real‑world use cases and benefits
In everyday driving or during demanding climbs, keeping accurate coolant levels helps the cooling system respond effectively to heat. For DIY enthusiasts, this reservoir pairs well with standard coolant services to restore proper monitoring and consistent performance without expensive trips to a shop.
Maintenance tips
Periodically inspect the reservoir and cap for signs of wear or leaks, especially after top‑ups or service. When replacing, ensure hoses are clean and properly seated before refilling the cooling system to maintain reliable performance.
FAQ
Q: Which vehicles is the GDUKOP 603-380 compatible with?
A: Chrysler 300 (2011–2023) and Dodge Challenger/Charger (2011–2023).
Q: What comes in the package?
A: A coolant reservoir tank with cap, designed as a direct replacement for easy install.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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