XYWZV Engine Coolant Thermostat for Hyundai & Kia V6 3.3L/3.8L — Direct OEM Fit 25500-3L300, Corrosion-Resistant

XYWZV Engine Coolant Thermostat replaces OEM 25500-3L300 / 255003L300 to restore proper coolant flow and stabilize engine temperature for compatible Hyundai and Kia V6 models.

If your Palisade, Cadenza, Sedona, or Sorento with a 3.3L or 3.8L V6 is showing signs of thermal imbalance, a reliable thermostat is a simple, high-impact fix. This XYWZV replacement thermostat is designed to match fitment and function for the factory unit, delivering consistent operation under normal driving conditions. Manufactured from durable materials, it aims to provide dependable temperature regulation and long service life when installed according to manufacturer guidelines.

How will this thermostat affect engine temperature control?

The thermostat opens and closes to regulate coolant circulation between the engine and radiator, helping the engine reach and maintain its optimal operating range. A properly functioning thermostat reduces warm-up times and minimizes the risk of overheating during heavy load or hot-weather driving.

• Direct replacement for OEM 25500-3L300 / 255003L300 for accurate fit and function.
• Opens at designed temperature to allow coolant flow to radiator when needed.
• Closes to speed engine warm-up and maintain efficient combustion temperatures.
• Constructed from corrosion-resistant materials for longer service life.

Will this part fit my vehicle and what models are supported?

This XYWZV thermostat is engineered for specific Hyundai and Kia V6 applications and will fit without modification when your vehicle matches the listed model years and engine sizes. Confirm compatibility by checking your vehicle’s year, model, and 3.3L or 3.8L V6 engine before purchasing.

• Compatible with Hyundai Palisade 2020–2022 (3.8L V6).
• Compatible with Kia Cadenza 2017–2020 (3.3L V6 or 3.8L where applicable).
• Compatible with Kia Sedona 2019–2021 (3.3L V6 / 3.8L where specified).
• Compatible with Kia Sorento 2019–2020 models equipped with 3.3L or 3.8L V6 engines.

How difficult is installation and what comes in the package?

Installation is straightforward for mechanically inclined owners or technicians familiar with coolant system service. The thermostat is supplied ready-to-install and replaces the factory housing so no additional parts are required in most standard replacement procedures.

• Package includes one complete thermostat assembly ready for installation.
• Installation typically requires basic hand tools and draining a portion of coolant.
• Follow OEM torque specs and torque sequence for the housing bolts during reassembly.
• Inspect hoses and coolant condition while replacing the thermostat for best results.

How does material quality influence performance and durability?

Materials resistant to corrosion and thermal cycling help the thermostat maintain consistent operation through repeated heating and cooling. XYWZV uses components intended to withstand typical under-hood conditions, minimizing premature failure compared with lower-grade aftermarket units.

• Durable valve components designed for repeated thermal cycles.
• Sealing surfaces engineered to reduce leakage when installed correctly.
• Manufactured to replace specific OEM part numbers for predictable behavior.

Who is this for: This XYWZV Engine Coolant Thermostat is aimed at owners and mechanics of compatible Hyundai and Kia V6 vehicles who want a direct-fit, durable replacement for OEM part numbers 25500-3L300 and 255003L300. It’s a practical choice when addressing overheating symptoms, prolonged warm-up times, or routine cooling-system maintenance. Always verify vehicle compatibility and follow professional installation practices or consult a qualified technician if unsure.