1. Engine Cooling Components Deals
  2. sku: 21581656233382813
  3. EV6 671.KI1725

EV6 671.KI1725 Coolant Reservoir

fits year: 2025.

671.ki1725 Ev6 2025 Coolant Reservoir Sku#4443519

( Brand: Ev6 ), ( Conditions Options: Coolant Resevoir, With Cap ), ( Genuine Oem: Yes ), ( Ipn: 671.ki1725 ), ( Make: Kia ), ( Manufacturer Warranty: 6 Month )

Review EV6 Coolant Reservoir Sku#4443519 fits 2025

The **EV6 671.ki1725 2025 Coolant Reservoir** is a precision-engineered component designed specifically for Hyundai s advanced electric vehicle lineup, including the 2025 EV6 model. This high-performance reservoir plays a critical role in maintaining optimal thermal management within the vehicle s hybrid cooling system, ensuring efficient heat dissipation from the battery, electric motor, and power electronics. Crafted from durable, temperature-resistant **polypropylene (PP) or high-grade thermoplastic**, this reservoir is engineered to withstand extreme operating conditions, including prolonged exposure to high temperatures and pressure fluctuations, while resisting chemical degradation from ethylene glycol-based coolant mixtures. Its sleek, aerodynamic design integrates seamlessly with the EV6 s compact underhood architecture, featuring a **tight-sealing lid with an integrated pressure relief valve** to prevent coolant loss and maintain system integrity under dynamic driving conditions. The reservoir s **clear or tinted plastic construction** allows for easy visual inspection of coolant levels, while its **reinforced mounting brackets** ensure secure positioning, minimizing vibration-induced stress on the cooling circuit. Compatible with Hyundai s **Type D coolant** (or equivalent synthetic organic acid, SOA-based formulations), this reservoir is designed for long-term reliability, reducing the risk of leaks, corrosion, or system failures that could compromise performance or safety. Whether installed during original equipment assembly or as part of a maintenance or upgrade, the **EV6 671.ki1725 2025 Coolant Reservoir** exemplifies Hyundai s commitment to innovation in electric vehicle thermal management, delivering both performance and durability for the next generation of sustainable mobility.

**Pros and Cons of buying a Hyundai EV6 Coolant Reservoir (Part Number: 671.KI1725, 2025 Model)**

### **Pros:**

1. **Direct Fitment** The part is designed specifically for the 2025 Hyundai EV6, ensuring compatibility without modifications. This reduces the risk of installation errors or leaks caused by incorrect sizing.

2. **OEM Quality** Purchasing from Hyundai or an authorized dealer guarantees the same manufacturing standards as the original equipment, which means better durability and reliability compared to aftermarket alternatives that may use lower-grade materials.

3. **Warranty Coverage** If bought from Hyundai or an authorized source, the part may come with a warranty, providing peace of mind in case of defects or premature failure. This is particularly useful if the vehicle is still under its original manufacturer s warranty.

4. **Compatibility with EV Systems** The EV6 s cooling system is more complex than traditional ICE vehicles due to battery thermal management. An OEM reservoir ensures proper integration with the vehicle s cooling circuits, including those for the battery and electric motor.

5. **Ease of Installation** Since it s a direct replacement, the part should fit seamlessly into the existing cooling system, reducing the need for additional hoses, clamps, or adapters. This can save time and labor costs during installation.

6. **Long-Term Reliability** Hyundai s engineering standards typically prioritize longevity, so an OEM reservoir is less likely to fail prematurely compared to cheaper aftermarket parts, which may degrade faster under the stress of an EV s cooling demands.

7. **Support for Extended Vehicle Lifespan** Proper cooling system maintenance is critical for EVs, as overheating can damage the battery or motor. Using an OEM part helps preserve the vehicle s performance and resale value.

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### **Cons:**

1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price may be prohibitive for budget-conscious buyers, especially if the reservoir is the only part needing replacement.

2. **Limited Availability** Depending on the region, OEM parts may not be readily available at local dealerships or online retailers. This could require ordering from Hyundai s official website or a third-party supplier, which may involve shipping delays.

3. **Potential Overkill for Minor Issues** If the coolant reservoir is only leaking slightly or has a minor crack, some buyers might opt for a cheaper aftermarket part instead of investing in an OEM replacement. However, this risks compromising long-term reliability.

4. **No Additional Features** Unlike some aftermarket reservoirs, the OEM part may not include extras like reinforced seals, temperature gauges, or extended warranties. If these features are important, aftermarket options might offer better value.

5. **Dealer Dependency** Purchasing from a Hyundai dealer may require an appointment, and prices could be marked up due to overhead costs. Online marketplaces or authorized Hyundai parts stores might offer better pricing.

6. **Environmental and Ethical Considerations** Some consumers prefer to support recycling or refurbished programs to reduce waste. OEM parts contribute to new production, which may not align with sustainability goals.

7. **Risk of Counterfeit Parts** If buying from unofficial sellers (e.g., eBay, Facebook Marketplace, or untrusted online stores), there s a risk of receiving counterfeit or refurbished parts that don t meet Hyundai s standards. Always verify the seller s authenticity.

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### **Conclusion:**

Buying the **OEM Hyundai EV6 Coolant Reservoir (671.KI1725)** is the most reliable choice for ensuring compatibility, longevity, and peace of mind. While the upfront cost is higher, the benefits such as warranty coverage, direct fitment, and alignment with the vehicle s cooling system make it the best option for serious EV owners who prioritize performance and durability. However, if budget is a constraint and the reservoir is not critical to immediate operation, a high-quality aftermarket part from a reputable brand (e.g., ACDelco, Bosch, or Denso) could be a cost-effective alternative, provided it meets Hyundai s specifications.

For most buyers, the **OEM part is the recommended choice**, especially if the vehicle is still under warranty or if the cooling system is a critical concern. Always purchase from **authorized Hyundai dealers, official online stores, or trusted third-party suppliers** to avoid counterfeit or substandard products.

**Final Recommendation:**

Purchase the **OEM Hyundai EV6 Coolant Reservoir (671.KI1725)** from an **authorized Hyundai dealer or Hyundai s official website** to ensure authenticity, warranty coverage, and long-term reliability. If cost is a major concern, verify that an aftermarket part meets Hyundai s exact specifications before purchasing. Never compromise on quality for the cooling system, as overheating can lead to costly battery or motor damage in an EV.

Details:

Exhaust Manifold: Does not include turbo where applicable. This is still a fairly nice looking, used wheel. Window Regulator: Does not include motor unless noted most are with. Spindle/Knuckle: Does not include hub unless noted.

The fitment information can be confusing if you don't buy replacement parts everyday. I only see photos of the vehicle and not actual part you are selling. Fuel injectors: See our part notes. Transfer Case: Does not include electric shift motor.

All claims for warranty must be made within this time. Fuel Pump: Includes sending unit and any molded hoses that are non-removable. If noted as assembly, it will include the lug wrench. Caliper: Includes the bracket and slides.

Washer Reservoir/Bottle: Includes cap unless noted. Radio: Pay special attention to our fitment. Stabilizer Bar: Does not include links or bushings. Fuel Filler Door: Includes hinge.

Pay special attention to any options listed. Starter: Includes solenoid. A parts have less than 60,000 miles OR 15,000 per year. All lubricants and fluids used must be of the type recommended by manufacturer receipts for installation items accompany claim warranty.

In the event of a claim, AAA will offer replacement part similar quality. Any brackets are not included. Axle/CV shaft: Does not include the axle nut. A/C Condenser: Sensors and hoses are not included.

Does not include bolts/hardware. It will have high miles or minor damage. Wiper Transmission: Does not include motor or arms unless noted. It may have minor scratches and clear coat peeling.

Fan Assembly: Includes motors, shroud, and blades. Power Steering Gear: Includes Pittman arm. C Condition, C-COND This wheel will have very noticeable cosmetic issues. Wheel/Rim: Does not include cap, tire, or lug nuts.

A/C Compressor: Includes the clutch/pulley assembly. HID headlights include the bulbs and ballast. Slides are not covered under warranty. Blower Motor: Include the squirrel cage/fan blade.

Sun visor: Does not include clip. Hub: Includes wheel studs. Coolant Overflow Bottle: Cap is included. Rack and Pinion: Includes tie rods but they are not covered under warranty.

Manual transmissions do not include any part of the clutch system. It is in average condition for the year and mileage of donor vehicle. This for a USED OEM Coolant Reservoir Assembly pulled from 2025 EV6 with actual miles on it. B parts have average miles and condition for its age.

Power Steering Pump: Includes pulley and ATTACHED reservoir. Differential Carrier: Does not include axles. Our Part #: 671.KI1725, 4443519. Ignition Coil s: See part notes.

Remote reservoirs and brackets will not be included. Door Trim Panel: Includes handle and armrest. Temperature Control: Includes all knobs, buttons, and sliders. Claims that result from the failure of other components.

Most of the time we include paint code in our part notes. Cowl Vent Panel: See Our Part notes, often sold as one side only. Here are our part notes about this specific. Transmission: Automatic transmissions include torque converters and sensors.

Does not include window/lock switches. Column Switch: Includes wiring if applicable up to the first point it can be unplugged. 6 MONTH WARRANTY. Claims that result from overheating due to cooling system failure.

Not included: Throttle body, Turbo, wiring harness exhaust manifold may be left on in certain cases. New fluids, filters, seal, and gaskets must be used in the installation of driveling component. Mass Airflow Sensor: Does not include housing unless pictured. Does not include bulbs.

Wiper Motor: Does not include arms or transmission unless noted. Parts installed in vehicles used for commercial, racing, or off-road purposes, parts any purpose other than the original application. Jack: See part notes. This is on a case by basis.

Is this the right part?, This is most common question that we get. Please see the fitment section below to make sure this will fit your vehicle. Many newer transmissions require a relearn/programming procedure. If you don't know what a paint code is or where yours located, please feel free to ask.

Alternator: Includes the pulley. These parts are not covered under warranty: Intake manifold, fuel injectors, oil pan, sensors, water pump. Control Arm: Includes the ball joint and any bushings. B Condition, B-COND This wheel will have some cosmetic imperfections.

Whats Included. Interior Rear View Mirror: Does not included bracket glued to windshield. Strut: Struts are left assembled and include top plate, spring, dust boot dust boots on used struts rarely in perfect shape. These wheels are still guaranteed to be straight and true, just not the best looking.

part #: 671.ki1725 price

  • $122.00

specifications ocoosys:

  • for years: 2025
  • brand: Ev6
  • conditions options: Coolant Resevoir, With Cap
  • genuine oem: Yes
  • ipn: 671.ki1725
  • make: Kia
  • manufacturer warranty: 6 Month

shipping ocoosys:

  • cost: $0.00
  • transit: 3-5 Days
  • carrier: UPS
  • type: Fixed
  • class: Standard
  • service: UPS Ground

seller ocoosys:

  • rating: 99.8%
  • city: Rosemount, Minnesota
  • # reviews: 70729

payments ocoosys:

  • wallet: Paypal
  • credit card: Visa
  • other

returns ocoosys:

  • time: 60 Days
  • policy: Returns Accepted
  • paid by: Seller

offer ocoosys:

  • availability: In Stock
  • started: May 10, 2026
  • quantity: 1
  • options: Ship-to-home
  • sold: 0

general ocoosys:

  • condition: Used
  • Car Truck Parts Accessories > Engine Cooling Components > Radiators
for years: 2025, conditions options: coolant resevoir, with cap, genuine oem: yes, manufacturer warranty: 6 month,
manufacturer: kia, category: auto parts > car truck parts accessories > engine cooling components > radiators, sku: 21581656233382813,
Ev6 4443519 Is Similar To:
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1 offer $122.00 USD
  • Used. Offer #1 priced at $122.00 + $0.00 shipping estimate = $122.00* total. Coolant Overflow Bottle: Cap is included Our Part #: 671.FREE SHIPPING

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