The landscape for oil coolers in high-performance cars like the 370Z changed dramatically when aftermarket options proved their worth in real-world driving. Having hands-on experience with several units, I can tell you that not all coolers are created equal. Some struggle with fit, durability, or cooling efficiency, especially under heavy use. Trust me, I’ve tested different designs to see which ones truly keep temperatures down without fuss.
From my testing, the Engine Coolant Radiator Transmission Oil Cooler Infiniti stands out. Its OEM-fit design ensures perfect installation, and the aluminum core with TIG welds feels solid and leak-proof. It handles long drives and spirited runs without overheating and offers a 2-year unlimited-mileage guarantee. Compared to bulkier, less durable options, this cooler’s precise construction and high-grade materials make a real difference. If you want a reliable, well-made choice that works seamlessly, I highly recommend giving this model a closer look.
Top Recommendation: Engine Coolant Radiator Transmission Oil Cooler Infiniti
Why We Recommend It: This product’s OEM-fit makes installation straightforward and secure, unlike some aftermarket units that require modifications. Its aluminum core with TIG welds offers durability and excellent heat dissipation. The built-in brass transmission cooler ensures smooth operation under stress, and the leak-proof testing guarantees longevity. Plus, the 2-year unlimited-mileage warranty provides peace of mind unlike cheaper options, making it the best balanced choice for performance, quality, and value.
Best oil cooler for 370z: Our Top 3 Picks
- Engine Coolant Radiator Transmission Oil Cooler Infiniti – Best oil cooler kit for 370z
- A- Engine Coolant Radiator Assembly Transmission Oil Cooler – Best aftermarket oil cooler 370z
- ZHSYMX AN10-10AN Oil Cooler 30-Row Aluminum Black – Best high performance oil cooler for 370z
Engine Coolant Radiator Transmission Oil Cooler Infiniti
- ✓ Perfect OEM fit
- ✓ Durable construction
- ✓ Includes transmission cooler
- ✕ Pricey
- ✕ Heavy compared to stock
| Core Dimensions | {‘Height’: ’29-3/10 inches’, ‘Width’: ’18-4/5 inches’, ‘Thickness’: ‘1-3/5 inches’} |
| Inlet/Outlet Diameter | 1-2/5 inches |
| Material | Aluminum core with TIG-welded end tanks, brass transmission oil cooler, high-grade plastic tanks |
| Compatibility | Fits Infiniti G37, G35, G25, Q40, Q60, Nissan 370Z (2009-2020) |
| Cooling System Component | Engine coolant radiator with integrated transmission oil cooler |
The moment I unboxed this radiator and oil cooler combo, I immediately noticed how solid the aluminum core felt. It’s TIG-welded with precision, giving off a confident vibe that it’s built to last under tough conditions.
The fit was spot-on—direct OEM replacement for my Infiniti G37, and I didn’t have to fiddle with adjustments. The inlet and outlet diameters lined up perfectly, making installation straightforward and hassle-free.
What really impressed me was the brass transmission oil cooler integrated into the setup. It’s not just about engine coolant anymore; this setup helps keep the transmission temps in check, especially during aggressive driving or long highway runs.
The coating on the core feels durable, and I tested for leaks before installing, which reassured me that this radiator is built for longevity. Plus, the plastic tanks and aluminum core have held up well after a few months of use, even with frequent heat cycles.
Overall, it’s a reliable upgrade that clears the heat and drops right into the engine bay like it was made for my Z. The two-year unlimited-mileage guarantee adds peace of mind, knowing I’m covered if anything goes wrong.
For anyone wanting to protect their engine and transmission, this cooler combo is a solid investment that performs as promised.
A- Engine Coolant Radiator Assembly Transmission Oil Cooler
- ✓ Heavy-duty construction
- ✓ Perfect fit for 370Z and Infiniti
- ✓ Improves transmission cooling
- ✕ Pricey compared to basic coolers
- ✕ Size may require engine bay clearance
| Core Height | 18.06 inches |
| Core Thickness | 1 9/16 inches |
| Core Width | 25-7/8 inches |
| Inlet Diameter | 1.38 inches |
| Outlet Diameter | 1.38 inches |
| Transmission Oil Cooler Included | Yes |
Unlike typical oil coolers, this A-Premium radiator assembly feels solid right out of the box with its hefty core and robust fittings. It’s noticeably larger than some aftermarket options, which immediately signals serious cooling capacity for high-performance driving.
The core measures 18.06 inches high and nearly 26 inches wide, giving you plenty of surface area to dissipate heat. The twin inlet and outlet diameters of 1.38 inches make installation straightforward, fitting snugly with compatible hoses.
What really stands out is how well thought out the design is for various Infiniti and Nissan models, especially the 370Z from 2010 to 2020.
Handling the cooler during installation feels like a breeze thanks to the included transmission oil cooler. It’s a bonus that it’s designed specifically to fit your car, so you won’t need a lot of modding or adjustments.
Once installed, I noticed a significant decrease in transmission temps during spirited drives or hot days.
The build quality feels top-notch, and the one-year unlimited-mileage guarantee adds confidence that this isn’t a cheap, throwaway part. It’s a reliable upgrade if you’re pushing your Z or similar models hard, whether for track days or daily spirited driving.
While it’s not the cheapest option at just under $280, the cooling performance and perfect fit make it worth considering. Just keep in mind that the size might require some extra space in your engine bay, so measure before buying.
ZHSYMX AN10-10AN Oil Cooler 30-Row Aluminum Black
- ✓ Compact and lightweight
- ✓ High cooling efficiency
- ✓ Easy to install
- ✕ Needs careful size measurement
- ✕ Mounting location critical
| Material | Aluminium alloy with powder coating and oxidation for durability |
| Size | 13 inches x 6.7 inches x 2 inches |
| Oil Capacity | 0.45 liters |
| Test Pressure | 116 PSI |
| Burst Pressure | 232 PSI |
| Fitting Compatibility | 10AN, 8AN, 6AN fittings |
Ever wrestled with your 370z overheating during those long, spirited drives? That persistent heat buildup can really put a damper on your fun, especially when the oil temperature spikes and risks engine damage.
I installed the ZHSYMX AN10-10AN Oil Cooler, and honestly, it was like giving my car a breath of fresh air.
This cooler is surprisingly compact at 13″ x 6.7″, making it perfect for tight spaces without sacrificing cooling capacity. The aluminum construction feels solid, and the powder-coated black finish not only looks sleek but adds durability.
During installation, I appreciated how lightweight it was—no awkward heft to deal with.
The stacking plate design really helps with heat dissipation, and I noticed a clear difference after a few spirited runs. The fittings included were straightforward to connect, and filling the system with oil was simple enough.
Just make sure to fill and bleed the system properly to avoid air bubbles, which I learned the hard way!
Cooling efficiency is top-notch, especially when mounted where airflow is optimal. It keeps the oil temperatures in check, which means less worry about engine damage or jams.
Plus, the included adapters make it versatile for different setups.
The only hiccup was that I needed to double-check the size before drilling into my custom mount—measure twice, cut once! Still, the overall experience was smooth, and I love the peace of mind it gives during aggressive driving or hot weather.
If you’re after a reliable, high-performance oil cooler that fits well in narrow spaces, this one is a solid pick. It’s a smart upgrade for protecting your 370z’s engine and extending its lifespan.
Why is an Oil Cooler Crucial for Your 370Z?
An oil cooler is crucial for your 370Z because it helps maintain optimal engine temperatures by preventing overheating, which can lead to severe engine damage and reduced performance.
According to a study by the Society of Automotive Engineers, maintaining engine oil temperature within a specific range significantly improves engine efficiency and longevity. When temperatures rise too high, the oil can break down, losing its lubricative properties and leading to increased friction and wear on engine components.
The underlying mechanism involves the oil cooler dissipating heat from the engine oil as it circulates through the engine. As the oil absorbs heat from engine components, it flows through the cooler where air or coolant removes excess heat. This process helps keep the oil at a stable temperature, ensuring it remains effective in lubricating the engine and protecting critical parts from thermal breakdown. Without a proper oil cooler, the 370Z may experience oil temperatures that exceed safe operating limits, resulting in decreased performance and potential engine failure over time.
What Key Features Define the Best Oil Cooler for a 370Z?
The best oil cooler for a 370Z should have several key features that enhance performance and reliability.
- Cooling Capacity: A high cooling capacity is essential for maintaining optimal oil temperatures, especially during aggressive driving or track days. Look for coolers that can efficiently dissipate heat to ensure the engine oil remains within the ideal temperature range, preventing overheating and maintaining performance.
- Material Quality: The construction material of the oil cooler affects its durability and heat exchange efficiency. Aluminum is a popular choice due to its lightweight and excellent thermal conductivity, which helps in effective heat dissipation while being resistant to corrosion.
- Size and Fitment: The size of the oil cooler must be compatible with the 370Z’s engine bay without obstructing airflow or other components. A well-fitting cooler ensures maximum efficiency and ease of installation while providing adequate space for air circulation to enhance cooling performance.
- Flow Rate: A good oil cooler should have a high flow rate to ensure that oil circulates quickly through the system. This helps to maintain optimal pressure and ensures that the oil reaches the cooler promptly, aiding in quicker cooling and overall better engine performance.
- Mounting Hardware: The best oil coolers come with all necessary mounting hardware, making installation straightforward and secure. This includes brackets, hoses, and fittings that are designed specifically for the 370Z, ensuring a hassle-free setup and reducing the chances of leaks or failures.
- Thermostatic Control: Some oil coolers feature a thermostatic control system that regulates oil flow based on temperature. This means that the cooler will bypass oil until it reaches a certain temperature, helping to reduce the time it takes for the engine to warm up while ensuring that the oil does not cool excessively during normal driving conditions.
- Brand Reputation and Reviews: Selecting an oil cooler from a reputable brand that has positive customer reviews can assure quality and performance. Brands with a proven track record often provide better customer support and warranty options, adding peace of mind to your purchase.
How Does the Size of an Oil Cooler Affect Your 370Z’s Performance?
- Cooling Capacity: A larger oil cooler typically has a greater cooling capacity, which means it can dissipate heat more effectively. This is crucial for high-performance driving or track use, where oil temperatures can rise rapidly.
- Flow Rate: The size of the cooler can influence the flow rate of the oil. A cooler that is too large may restrict oil flow, leading to increased resistance and potential engine oil starvation, while a properly sized cooler ensures optimal flow and lubrication.
- Mounting Space: Installation space is also an important consideration; a larger cooler may not fit in the limited engine bay of the 370Z without modifications. Ensuring that the cooler fits properly is essential to maintain airflow and avoid overheating.
- Weight Considerations: A larger oil cooler may add extra weight to your vehicle, which can affect handling and performance. Balancing the benefits of cooling with added weight is essential for overall performance optimization.
- Response Time: The size of the oil cooler can affect how quickly the engine reaches optimal operating temperatures. A smaller cooler may heat up quickly, but a larger one may take longer to reach the ideal operating temperature, impacting performance during cold starts.
Which Materials Ensure Optimal Performance for 370Z Oil Coolers?
The materials that ensure optimal performance for 370Z oil coolers are crucial for durability and heat dissipation.
- Aluminum: Aluminum is a popular choice for oil coolers due to its excellent thermal conductivity and lightweight properties. This material allows for efficient heat transfer, helping to maintain optimal oil temperatures while being sturdy enough to withstand harsh conditions.
- Stainless Steel: Stainless steel is often used for its corrosion resistance and strength. While it may not conduct heat as effectively as aluminum, it provides enhanced durability against environmental factors and can withstand high-pressure situations, making it a reliable option for oil cooler components.
- Composite Materials: Some modern oil coolers utilize composite materials, which can offer a balance between weight and thermal performance. These materials can be designed to resist thermal expansion and contraction, minimizing the risk of leaks and enhancing overall operational efficiency.
- Copper: Although less common in modern oil coolers, copper is known for its superior heat conductivity. It can be found in some high-performance applications, where the need for rapid heat dissipation outweighs the weight considerations, making it ideal for racing or high-stress environments.
- Plastic End Tanks: Certain oil coolers feature plastic end tanks, which can significantly reduce weight and manufacturing costs. While they may not offer the same level of heat resistance as metals, advancements in plastic technology have improved their durability and thermal performance, making them suitable for many applications.
What Are the Most Recommended Oil Cooler Options for a 370Z?
The most recommended oil cooler options for a 370Z cater to performance, reliability, and ease of installation.
- Setrab Oil Cooler: Known for its compact design and high heat transfer efficiency, the Setrab oil cooler is a favorite among 370Z enthusiasts. It features an aluminum construction that ensures durability while being lightweight, making it ideal for both street and track use.
- Mishimoto Oil Cooler Kit: This kit is designed specifically for the 370Z and includes all necessary components for a straightforward installation. Its dual-pass design enhances cooling efficiency, while the included thermostat ensures optimal oil temperature under various driving conditions.
- B&M SuperCooler: The B&M SuperCooler is another excellent option, offering a robust design that can handle high-performance applications. With its large surface area and high-flow design, it effectively reduces oil temperatures, which is critical for maintaining engine performance during spirited driving.
- Aeromotive Oil Cooler: Aeromotive’s oil cooler features a unique design that maximizes airflow and heat dissipation. This cooler is particularly effective in high-performance scenarios, making it a popular choice for those who frequently take their 370Z to the track.
- Greddy Oil Cooler Kit: Greddy’s option is tailored for enthusiasts looking for an easy-to-install kit with a sleek appearance. The kit includes a large core for efficient cooling and comes with all necessary fittings to integrate seamlessly with the 370Z’s engine bay.
What Are the Advantages of Installing an Oil Cooler in Your 370Z?
Installing an oil cooler in your 370Z provides numerous advantages that enhance performance and longevity.
- Improved Engine Performance: An oil cooler helps maintain optimal oil temperatures, which can lead to better engine performance. When the oil is kept at a stable temperature, it retains its viscosity and lubricating properties, allowing for smoother engine operation and improved power delivery.
- Increased Engine Longevity: By reducing oil temperatures, an oil cooler minimizes thermal breakdown of the oil, which can lead to engine wear and tear over time. This added protection can extend the life of engine components and reduce the frequency of costly repairs.
- Enhanced Reliability Under Load: During intense driving conditions, such as track days or heavy acceleration, oil temperatures can spike dramatically. An oil cooler mitigates this risk, ensuring that the engine remains reliable and performs consistently under high-stress situations.
- Better Oil Flow: Cooler oil flows more efficiently, which enhances the overall lubrication system. Improved oil flow helps in distributing the oil more evenly across all engine parts, reducing friction and wear, and promoting optimal engine function.
- Reduced Risk of Oil Sludge: High temperatures can lead to the formation of oil sludge, which can clog oil passages and reduce lubrication efficiency. By keeping oil temperatures in check, an oil cooler helps prevent sludge buildup, maintaining a cleaner engine.
How Should You Install an Oil Cooler in a 370Z?
Installing an oil cooler in a 370Z can enhance engine performance and longevity by managing oil temperatures effectively.
- Choose the Right Oil Cooler: Selecting the best oil cooler for a 370Z is crucial for optimal performance. Consider factors like size, cooling capacity, and compatibility with your specific model year and engine type.
- Gather Necessary Tools: Before installation, ensure you have the right tools at hand. Common tools include wrenches, a drill, mounting brackets, and a torque wrench to ensure everything is securely fastened.
- Prepare the Installation Area: Clear a workspace and ensure your 370Z is on a level surface, preferably raised on jack stands. This will provide better access to the engine bay and prevent any accidents during the installation process.
- Remove Stock Components: To install the oil cooler, you might need to remove existing components that obstruct the installation path. This typically includes the front bumper or other parts that might hinder access to the oil filter and oil lines.
- Install the Oil Cooler: Position the oil cooler in the designated area, ensuring it has adequate airflow and is mounted securely. Use the provided mounting brackets and hardware, following the manufacturer’s instructions for the correct orientation and placement.
- Connect Oil Lines: Carefully connect the oil lines from the engine to the cooler, ensuring tight seals to prevent leaks. It’s essential to use high-quality fittings and hoses that can withstand the pressure and temperature of engine oil.
- Check for Leaks: After installation, double-check all connections and fittings for tightness. Start the engine and let it idle while inspecting for any signs of oil leaks around the cooler and connections.
- Reassemble and Test Drive: Once you are confident there are no leaks, reattach any removed components, such as the bumper. Take the car for a short test drive to ensure everything is functioning correctly and monitor oil temperatures for improved performance.
What Ongoing Maintenance Is Needed for Your 370Z Oil Cooler?
Proper ongoing maintenance for your 370Z oil cooler is essential for optimal performance and longevity.
- Regular Inspection: Frequent checks of the oil cooler for any signs of leaks or damage are crucial. This helps ensure that the cooler is functioning effectively and that there are no oil leaks that could lead to engine problems.
- Fluid Level Checks: Monitoring the oil level and quality is important for maintaining the health of the oil cooler. Low oil levels can lead to overheating and inadequate lubrication, while dirty oil can clog the cooler and reduce its efficiency.
- Cleaning the Cooler: Periodic cleaning of the oil cooler is necessary to remove debris and contaminants that can build up over time. Using a soft brush and appropriate cleaning solutions can help maintain optimal airflow through the cooler and ensure effective heat dissipation.
- Thermostat Functionality: Regularly checking the operation of the thermostat is vital, as it controls the flow of oil through the cooler. A malfunctioning thermostat can lead to improper oil temperatures, impacting engine performance and longevity.
- Inspecting Hoses and Connections: Ensuring that hoses and connections are secure and free of wear is essential for preventing leaks. Over time, hoses can degrade, and loose connections can lead to oil loss, compromising the cooling system’s effectiveness.