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Description
xOverview
Restore reliable cooling performance with the XYWZV Engine Coolant Thermostat, engineered to fit select Hyundai and Kia models and their 3.3L and 3.8L V6 engines. Designed as a direct OE replacement for the original parts 25500-3L300 and 255003L300, this component is built to help your engine reach and hold the optimal temperature with minimal effort. Rather than simply replacing a part, you may notice smoother engine operation, consistent temperature behavior, and steady cruising feel under varying loads.
Why it matters
The thermostat controls coolant flow, acting as a temperature gate that helps prevent overheating and supports efficient engine performance. While driving through hot days, cold starts, or spirited highway runs, a properly functioning thermostat can contribute to steadier thermal management and potentially more predictable engine response. It’s not a guarantee of improved mileage or power, but it’s a plausible step toward maintaining your vehicle’s cooling system health.
Key compatibility
- Hyundai Palisade (2020–2022)
- Kia Cadenza (2017–2020)
- Kia Sedona (2019–2021)
- Kia Sorento (2019–2020)
All models covered use 3.3L or 3.8L V6 engines, aligning with the stated OEM replacement numbers to ensure a straightforward swap without modification.
Quality and durability
Crafted from premium materials, this thermostat is designed to withstand demanding driving conditions, heat, and pressure. The result is a durable component that aims to hold up over time, helping you avoid the cost and hassle of frequent replacements while keeping your cooling system in good standing.
What you get
- 1 Engine Coolant Thermostat — ready for installation
It’s a focused, no-fuss part that fits the intended vehicles and engine sizes, enabling a smoother restoration of your cooling system’s function.
Installation tips
For best results, follow standard safety and service procedures for thermostat replacement. Ensure any cooling system bleed is performed after installation to remove air pockets and verify smooth cooling circuit operation.
Highlights at a glance
- Direct OE replacement for 25500-3L300 and 255003L300
- Durable construction designed for longevity
- Fits Palisade, Cadenza, Sedona, and Sorento with 3.3L-3.8L V6 engines
- Easy install, minimal downtime, and compatible with existing cooling layouts
Choosing XYWZV means selecting a component that aligns with your vehicle’s cooling needs while offering a practical path to restoring proper temperature management. Benefits are possible outcomes and depend on the broader health of the cooling system.
FAQ
Q: What vehicles is this thermostat compatible with?
A: Hyundai Palisade (2020–2022) and Kia Cadenza (2017–2020), Sedona (2019–2021), Sorento (2019–2020) with 3.3L or 3.8L V6 engines.
Q: What OEM numbers does it replace?
A: Directly replaces OEM 25500-3L300 and 255003L300 for straightforward installation.
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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