STANDARD IGNITION CTH114 Automatic Transmission Oil Cooler Thermostat

( Brand: Standard Ignition ), ( Manufacturer Part Number: CTH114 ), ( Product Type: Factory Replacement ), ( Type: Automatic Transmission Oil Cooler Thermostat )

Review STANDARD IGNITION Automatic Transmission Oil Cooler Thermostat Bmw fits X3

Introducing the CTH114 Automatic Transmission Oil Cooler Thermostat, an essential upgrade for BMW X3 models equipped with a standard ignition system. This thermostat is meticulously engineered to maintain the optimal operating temperature of your automatic transmission oil cooler, ensuring the longevity and efficiency of your BMW X3's powertrain.

The CTH114 thermostat is designed as a direct replacement for the original equipment manufactured (OEM) component. Its construction is a testament to superior engineering, featuring a robust housing made from high-quality thermoplastic material. This material is known for its resistance to heat, pressure, and corrosion, ensuring the thermostat's durability even under the most demanding driving conditions.

The CTH114 thermostat houses a temperature-sensitive valve that regulates the flow of transmission oil between the oil cooler and the transmission. This valve opens when the coolant temperature reaches a predetermined level, allowing the oil to flow through the cooler and absorb the heat. Once the coolant temperature drops below this level, the valve closes, preventing the oil from circulating through the cooler and preserving its temperature.

This thermostat's precise temperature control ensures that your BMW X3's transmission oil is kept within the recommended operating temperature range. This not only protects the transmission from damage due to overheating but also enhances its performance by allowing the oil to flow more smoothly throughout the system.

Installation of the CTH114 Automatic Transmission Oil Cooler Thermostat is a straightforward process, requiring no modifications to your BMW X3. It is supplied with all necessary hardware for installation, including new gaskets and seals to ensure a leak-free fit. Additionally, the thermostat comes with clear installation instructions to guide you through the process.

In summary, the CTH114 Automatic Transmission Oil Cooler Thermostat is an essential upgrade for BMW X3 models with standard ignition systems. Its robust construction, precise temperature control, and straightforward installation make it an indispensable addition to your vehicle, ensuring the longevity and efficiency of your powertrain.

Pros and Cons of Buying a BMW X3 CTH114 Automatic Transmission Oil Cooler Thermostat

A. Introduction

The BMW X3, like many modern vehicles, is equipped with an automatic transmission and a coolant-controlled oil cooler thermostat (CTH114). This component regulates the temperature of the transmission oil by controlling the flow of engine coolant to the oil cooler. If your BMW X3 is showing signs of transmission overheating or poor performance, replacing the CTH114 thermostat could be an effective solution. In this article, we will discuss the potential advantages and disadvantages of purchasing and installing a new BMW X3 CTH114 automatic transmission oil cooler thermostat.

B. Pros

1. Improved Transmission Performance: A faulty or worn-out thermostat can cause transmission oil to overheat, leading to reduced performance and potential damage to internal components. Replacing the thermostat with a new one can help maintain optimal transmission temperatures, ensuring smoother shifts and improved overall performance.

2. Preventive Maintenance: Regularly replacing the thermostat as part of routine maintenance can help prevent transmission-related issues and extend the lifespan of the transmission system.

3. Cost-Effective: Compared to the cost of major transmission repairs or even a transmission replacement, the cost of purchasing and installing a new BMW X3 CTH114 thermostat is relatively low.

C. Cons

1. Installation Complexity: The BMW X3 transmission cooling system is intricate, and replacing the thermostat may require advanced mechanical skills and specialized tools. For those without experience in automotive repair, it may be more cost-effective to hire a professional mechanic for the job.

2. Potential for Additional Repairs: If the thermostat was failing due to another underlying issue, such as a coolant leak or a faulty water pump, replacing the thermostat alone might not solve the problem. In such cases, additional repairs may be necessary, which could increase the overall cost.

3. Part Availability: While BMW dealerships and reputable aftermarket suppliers usually stock the CTH114 thermostat, it may not be readily available at local auto parts stores. This could result in a longer wait time for the part, potentially delaying the repair process.

D. Conclusion

The decision to purchase and install a new BMW X3 CTH114 automatic transmission oil cooler thermostat depends on various factors, including your mechanical skills, budget, and availability of the part. If you're confident in your ability to perform the installation and have the necessary tools and resources, replacing the thermostat could be a cost-effective solution for improving your BMW X3's transmission performance and preventing future issues. However, if you lack experience in automotive repair, consider hiring a professional mechanic to ensure the job is done correctly and efficiently.

E. Recommendation

If you're unsure about your ability to perform the installation yourself or if you prefer a hassle-free solution, it is recommended to visit a reputable BMW dealership or independent mechanic to have the thermostat replaced. They will have the expertise and resources to diagnose any underlying issues and ensure the installation is performed correctly. This will give you peace of mind and help you avoid potential complications.

part # cth114 prices

• $101.55-$162.99

specifications motochilled:

• for models: X3
• for makes: Bmw
• brand: Standard Ignition
• manufacturer part number: CTH114
• product type: Factory Replacement
• type: Automatic Transmission Oil Cooler Thermostat

offer motochilled:

• availability: In Stock
• options: Ship-to-home
• started: January 16, 2026
• sold: 0

general motochilled:

• Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines
• condition: New

returns motochilled:

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

shipping motochilled:

• cost: $0.00
• class: Standard
• service: Standard
• transit: 5-10 Days
• type: Fixed

seller motochilled:

• rating: 99.5%
• # reviews: 54695

payments motochilled:

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

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