MAZDA 399.MZ1A23 Engine Oil Cooler Solenoid K5T44978 2.5

( Model: MAZDA-3 ), ( Part Type: Oil Engine Cooler Solenoid ), ( Conditions Options: 4 Oil Cooler Solenoid ), ( Genuine Oem: Yes ), ( Ipn: 399.mz1a23 ), ( Warranty: 60 Day )

Review MAZDA Engine Oil Cooler Solenoid 2.5 fits 2021–2023

Mazda 399.MZ1A23 Engine Oil Cooler Solenoid (K5T44978)

The Mazda 399.MZ1A23 Engine Oil Cooler Solenoid (K5T44978) is a crucial component in the engine cooling system of select Mazda models from the years 2021, 2022, and 2023. This solenoid is responsible for controlling the flow of engine oil through the engine oil cooler, ensuring optimal engine performance and temperature regulation.

In detailed terms, the Mazda 399.MZ1A23 Engine Oil Cooler Solenoid (K5T44978) is an electromagnetic valve that opens and closes based on electrical signals from the engine control module. When the engine is running and the engine oil temperature reaches a specific threshold, the solenoid allows oil to flow through the engine oil cooler, absorbing excess heat. Once the oil temperature drops below the threshold, the solenoid closes, preventing oil from circulating through the cooler unnecessarily.

The Mazda engine oil cooler solenoid is a compact and robust part made of high-quality materials designed to withstand the harsh conditions of continuous operation in a vehicle's engine compartment. Its dimensions are approximately 78mm (L) x 46mm (W) x 27mm (H), and it weighs approximately 125 grams. The solenoid is sealed against the elements, making it resistant to water, dust, and other contaminants that may affect its performance.

Installing the Mazda 399.MZ1A23 Engine Oil Cooler Solenoid (K5T44978) is a relatively straightforward process for experienced mechanics or technicians, but it is essential to follow the manufacturer's instructions carefully to avoid any complications. The solenoid connects to the engine oil cooler, engine wiring harness, and the engine control module, with the connectors labeled clearly for easy identification.

Regular maintenance, including checking the engine oil cooler solenoid, is essential to ensure the longevity and optimal performance of your Mazda vehicle. If you notice symptoms such as engine overheating, poor engine performance, or a malfunctioning check engine light, it may be a sign that your engine oil cooler solenoid requires attention or replacement.

In conclusion, the Mazda 399.MZ1A23 Engine Oil Cooler Solenoid (K5T44978) is a vital component in the engine cooling system of select Mazda models, responsible for regulating engine oil temperature and ensuring optimal engine performance. This high-quality solenoid is compact, robust, and resilient to the elements, making it an ideal replacement for worn-out or failing solenoids.

Mazda 399.MZ1A23 Engine Oil Cooler Solenoid (K5T44978): A Comprehensive Analysis

The Mazda 399.MZ1A23 engine is a popular choice for those seeking reliable and efficient performance. One of its essential components is the engine oil cooler solenoid (K5T44978), which regulates the flow of oil through the cooler. In this analysis, we will discuss the pros and cons of purchasing this Mazda engine oil cooler solenoid to help you make an informed decision.

1. Enhanced Engine Performance: A faulty engine oil cooler solenoid can lead to poor engine performance, including overheating and decreased fuel efficiency. Replacing it with a new one ensures optimal engine performance and cooling system functionality.

2. Improved Engine Longevity: Regular maintenance, including replacing the engine oil cooler solenoid, helps ensure the engine's longevity. By addressing potential issues before they become major problems, you can save yourself from costly repairs and potential engine damage.

3. OEM Part: The Mazda K5T44978 engine oil cooler solenoid is an original equipment manufacturer (OEM) part. Using an OEM part guarantees a proper fit and function, ensuring that your Mazda maintains its intended performance and reliability.

1. Cost: Replacing an engine oil cooler solenoid can be a significant expense, especially for those on a tight budget. The cost of the part itself, as well as the labor fees for installation, can add up.

2. Potential Installation Complexity: Depending on your mechanical skills and experience, installing the engine oil cooler solenoid may be a complex process. Some vehicles may require specialized tools or extensive disassembly to access the solenoid, which can increase the overall cost and time investment.

The Mazda 399.MZ1A23 engine oil cooler solenoid (K5T44978) is an essential component for maintaining optimal engine performance and longevity. While the cost and potential installation complexity may be drawbacks, the benefits of improved engine performance, enhanced reliability, and peace of mind far outweigh these concerns. If you value the performance and longevity of your Mazda, investing in a new engine oil cooler solenoid is a worthwhile investment.

If you're experiencing issues with your Mazda's engine performance or suspect that your engine oil cooler solenoid may be faulty, we recommend considering the purchase and installation of the Mazda K5T44978 engine oil cooler solenoid. By addressing this potential issue, you can ensure your Mazda continues to perform at its best and maintain its intended reliability. If you're unsure about the installation process, consider seeking professional assistance from a trusted Mazda mechanic or repair shop.

Details:

Stock Number - 2602. Engine component. It is stored in doors and ready to be shipped. 4 Oil Cooler Solenoid K5T44978.

Donor Vehicle - 2023 MAZDA 3.

part #: 399.mz1a23 prices

• $35.95-$79.15

specifications parthick:

• for makes: Mazda
• for years: 2021-2023
• model: Mazda-3
• part type: Oil Engine Cooler Solenoid
• conditions options: 4 Oil Cooler Solenoid
• genuine oem: Yes
• ipn: 399.mz1a23
• warranty: 60 Day

seller parthick:

• city: Sauk Centre, Minnesota
• rating: 99.7%
• # reviews: 28895

general parthick:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Other Engine Parts

payments parthick:

• wallet: Apple-pay
• other
• credit card: Diners-club

shipping parthick:

• type: Fixed
• transit: 3-6 Days
• cost: $0.00
• class: Expedited
• carrier: USPS
• service: USPS Priority Mail

offer parthick:

• started: April 12, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• best offers: True

returns parthick:

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

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