MOPAR 18MMMW Water Temperature Sensor 3.0L V6

( Brand: Mopar ), ( Manufacturer Part Number: 18MMMW ), ( Part Type: Sensor ), ( Engine: 3.0l V6 ), ( Compatible Make/model: Jeep Grand Cherokee ), ( Compatible Years: 2015 2014 2016 2017 2018 2019 2020 2021 15 14 16 17 18 19 20 21 ), ( Fitment Info: Water Temperature Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review MOPAR Water Temperature Sensor Jeep 3.0l V6 fits CHEROKEE GRAND 2014–2021

The **MOPAR 18MMMW Water Temperature Sensor for Jeep Cherokee (2014 2021, 3.0L V6)** is a precision-engineered, high-performance replacement part designed to restore optimal engine cooling and diagnostic accuracy in your Jeep s 3.0L Pentastar V6 powertrain. This sensor, part of MOPAR s trusted line of OEM-quality components, is built to meet or exceed the exacting standards of Chrysler s original equipment, ensuring seamless integration with your vehicle s engine control module (ECM) and cooling system. Crafted from durable, corrosion-resistant materials, the sensor features a robust 18mm threaded connection, compatible with the Jeep Cherokee s intake manifold, allowing for a secure and leak-free installation. Its advanced thermistor design provides real-time temperature feedback to the ECM, enabling precise fuel delivery, ignition timing, and cooling system adjustments critical for maintaining peak engine performance, fuel efficiency, and longevity. Whether you re addressing a malfunctioning sensor, upgrading for reliability, or performing routine maintenance, this MOPAR sensor delivers the accuracy and durability needed to keep your Cherokee running smoothly. Backed by MOPAR s reputation for quality and compatibility, this part is an ideal choice for DIY enthusiasts and professional mechanics alike, offering a straightforward replacement solution that restores your Jeep s cooling system to factory specifications.

**Pros and Cons of buying a MOPAR 18MM Water Temperature Sensor for a 2014-2021 Jeep Cherokee 3.0L V6**

1. **Direct Fitment** MOPAR is a trusted brand known for producing high-quality, direct-fit replacement parts for Chrysler, Dodge, Jeep, and Ram vehicles. This sensor is specifically designed for the 2014-2021 3.0L V6 Cherokee, ensuring compatibility without modifications.

2. **Reliability** MOPAR parts are engineered to meet or exceed OEM standards, reducing the risk of premature failure. The sensor is built to last, minimizing the need for frequent replacements.

3. **Easy Installation** The 18mm water temperature sensor is a straightforward component to replace. It typically requires draining some coolant, removing the old sensor, and installing the new one with a new gasket or sealant. Most mechanics or experienced DIYers can complete this in under an hour.

4. **Prevents Engine Damage** A faulty water temperature sensor can lead to incorrect readings, causing the engine to run too hot or too cold. Replacing it ensures accurate temperature monitoring, protecting the engine from overheating or inefficient operation.

5. **Cost-Effective** While not the cheapest option, MOPAR sensors are reasonably priced compared to aftermarket alternatives. They also help avoid costly engine repairs that can result from prolonged sensor failure.

6. **Warranty Coverage** MOPAR parts often come with a warranty (typically 1-2 years), providing peace of mind against defects in materials or workmanship.

7. **Supports Original Equipment Performance** Using an OEM or OEM-equivalent part ensures the sensor performs as intended by the vehicle s factory calibration, maintaining optimal engine efficiency and emissions compliance.

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1. **Price Compared to Aftermarket** MOPAR sensors are more expensive than some generic or third-party brands. If budget is a concern, cheaper alternatives may be available, though quality may vary.

2. **Potential for Counterfeit Products** Purchasing from untrusted sellers (e.g., unverified online marketplaces) could result in counterfeit or low-quality parts. Always buy from reputable dealers or authorized retailers.

3. **Minor Installation Challenges** While the sensor itself is simple to replace, some users may encounter difficulty if the coolant system has mineral buildup or if the sensor housing is corroded. A thorough cleaning of the area may be necessary.

4. **Limited Availability in Some Regions** Depending on location, MOPAR parts may not be as readily available as aftermarket options, requiring online ordering or special trips to an auto parts store.

5. **Overkill for Minor Issues** If the sensor failure is isolated to a minor electrical issue (e.g., corroded connector), a simple cleaning or replacement of the wiring harness might suffice. In such cases, a full sensor swap could be seen as unnecessary.

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The **MOPAR 18mm water temperature sensor for the 2014-2021 Jeep Cherokee 3.0L V6** is a **highly recommended choice** for most buyers. Its **direct fitment, reliability, and compatibility with OEM standards** make it a superior long-term investment compared to cheaper aftermarket alternatives. While it may cost slightly more upfront, the **reduced risk of engine damage, ease of installation, and warranty support** justify the expense.

If you prioritize **quality, durability, and peace of mind**, MOPAR is the safest and most practical option. However, if you re working with a tight budget and are comfortable with aftermarket brands, you may explore **OEM-equivalent sensors from trusted manufacturers** (e.g., ACDelco, Bosch, or Delphi) as viable alternatives just ensure they meet the exact specifications for your vehicle.

**Buy the MOPAR sensor.** It is the best balance of quality, reliability, and fitment for your Jeep Cherokee. If purchasing online, verify the seller s authenticity to avoid counterfeit products. For added confidence, consider purchasing from an authorized MOPAR dealer or a well-reviewed auto parts retailer.

Details:

12 Month Warranty. Mopar Water Temperature Sensor fits Jeep Grand Cherokee 2014 - 2021 3.0L V6 18MMMW: Brand: condition: New OEM Detailed Applications Years: Vehicle: Engine: 2014 - 2021 Jeep Cherokee3.0L.

part #: 18mmmw prices

• $49.95-$57.33

specifications ocoosys:

• for models: Cherokee, Grand
• for makes: Jeep, Mopar
• for years: 2014-2021
• brand: Mopar
• mpn: 18mmmw
• part type: Sensor
• engine: 3.0l V6
• compatible make/model: Jeep Grand Cherokee
• compatible years: 2015 2014 2016 2017 2018 2019 2020 2021 15 14 16 17 18 19 20 21
• fitment info: Water Temperature Sensor
• manufacturer warranty: 12 Month Warranty
• attention: Read Full Description To Confirm Fitment
• cs-sku: 400

general ocoosys:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

seller ocoosys:

• city: Fort Smith, Arkansas
• # reviews: 23604
• rating: 99.2%

returns ocoosys:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments ocoosys:

• credit card: Visa
• wallet: Apple-pay
• other

offer ocoosys:

• availability: In Stock
• started: March 30, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1

shipping ocoosys:

• type: Fixed
• service: Economy
• transit: 4-10 Days
• class: Economy
• cost: $0.00

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