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If you drive a Mitsubishi Outlander and frequently tow, commute in hot weather, or push the engine hard, upgrading the vehicle's oil cooling can improve longevity and performance. Choosing the right oil cooler affects oil temperatures, engine wear, and overall drivetrain reliability in everyday and heavy-use scenarios. This guide presents our seven shortlisted Mitsubishi Outlander oil cooler options. We evaluated each candidate for cooling capacity, fitment and durability, and serviceability to help you find the most appropriate solution. Read on for what we looked at and the factors to weigh before installation.
Looking for other parts? See all Mitsubishi Outlander parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | zt truck parts Oil Cooler 2920A024 for 2006–2013 Mitsubishi Outlander 3.0L V6 |  |
| Most Popular A crowd favorite that many people choose with confidence | MAGQOO 8-Row Tube-and-Fin Transmission Oil Cooler Kit with 10" Electric Fan |  |
| Best Quality Built to a higher standard if you want something more solid | BIENEFRIA Transmission Oil Cooler for Mitsubishi Outlander (Part 2920A123) |  |
| Best Budget The cheapest option that still gets the job done reliably | ZDKK Transmission Oil Cooler Radiator 2920A128 for Mitsubishi Outlander 3.0L V6 |  |
| Most Sold A high-volume bestseller chosen again and again | Solarhome Hydraulic Oil Cooler 2920A024 for 2007–2008 Mitsubishi Outlander |  |
| Best Value for Money The sweet spot between price and what you get | A-Premium Transmission Oil Cooler for Mitsubishi Lancer / Outlander Sport |  |
| Best Overall The best all-around choice for most situations | A-Premium Transmission Oil Cooler for Mitsubishi Outlander (2920A290) |  |
1. zt truck parts Oil Cooler 2920A024 for 2006–2013 Mitsubishi Outlander 3.0L V6
| Manufacturer | zt truck parts |
|---|---|
| Manufacturer Part Number | 2920A024-FA |
| Application | Compatible with 2006-2013 Outlander ES LS XLS SE GT XLS |
| Engine Fitment | 3.0L V6 6B31 |
This zt truck parts oil cooler is a direct replacement intended for the 3.0L V6 Outlander (2006–2013). It replaces the factory oil cooler to maintain proper engine oil temperature and protect the V6 under normal driving and towing conditions. Installation is straightforward for a competent DIYer or a technician because it is built to match the factory fit and mounting points, and the listing emphasizes factory-quality function. The unit is compact and appears fully assembled, which simplifies swap-out jobs and reduces installation time. Buyers will appreciate that the part is specifically matched to the 6B31 engine, reducing the risk of fitment issues. Limitations are the lack of detailed material specs or testing data on the listing, and there is no mention of included gaskets or hardware, so you may need additional parts for a complete install. With few reviews available, long-term durability must be judged conservatively until more customer feedback is gathered.
Best for: Reliability-focused buyers who prioritize restoring factory cooling performance on a Mitsubishi Outlander 3.0L V6 and prefer straightforward, factory-style replacement parts.
Less Ideal for: Buyers seeking upgraded cooling capacity, motorsport use, or heavier-duty aftermarket solutions should consider performance oil coolers instead.
- Direct replacement specified for 2006–2013 Mitsubishi Outlander 3.0L V6 which simplifies fitment
- Marketed as factory-quality function so it should match original mounting and performance expectations
- Compact, ready-to-install assembly reduces installation time and complexity
- Listing does not specify included installation hardware or seals which may require separate purchase
- No material composition or lab testing details provided to verify long-term corrosion resistance
Verdict A simple, factory-style replacement oil cooler for 2006–2013 Mitsubishi Outlander 3.0L V6 owners who want reliable, like-for-like cooling restoration.
2. MAGQOO 8-Row Tube-and-Fin Transmission Oil Cooler Kit with 10" Electric Fan
| Material | All aluminum |
|---|---|
| Design | 8-row tube-and-fin |
| Fan size | 10 inches |
| Fan max CFM | 800 CFM |
This MAGQOO kit combines an 8-pass tube-and-fin aluminum cooler with a 10-inch slim electric fan and basic hoses and hardware to lower transmission fluid temperatures. It is typically installed in front of the vehicle radiator or in a relocation setup to increase fluid cooling when towing or during repeated low-speed work. The all-aluminum construction and 8-row design promote significant temperature drop compared with small single-pass coolers, and the included fan (800 CFM, 12V) helps maintain flow and cooling when airflow is limited. Installation is universal but requires mechanical skill and trimming or custom brackets for a clean fit; no instructions are provided. The kit is lightweight and corrosion-resistant, but the supplied clamps and fittings are basic so many buyers replace them with higher-quality clamps and fittings for long-term reliability. Expect good cooling performance for towing and heavy duty driving, but plan for a professional or experienced DIY installation and minor parts upgrades for the most dependable result.
Best for: Convenience-driven buyers who want an off-the-shelf cooling kit to reduce transmission temperatures during towing or repeated heavy use and prefer a bundled solution that includes fan and hardware.
Less Ideal for: Buyers looking for a vehicle-specific plug-and-play cooler or a kit that requires no modification during installation should consider a model engineered specifically for their vehicle instead.
- 8-row tube-and-fin design for stronger fluid temperature reduction than simple single-pass coolers
- Lightweight all-aluminum construction that resists corrosion and adds minimal weight
- Includes a 10-inch 12V electric fan (up to 800 CFM) to maintain airflow at low vehicle speeds
- Comes with basic silicone hose and mounting hardware so you have the main components to complete a relocation or auxiliary cooler job
- No installation instructions included so professional installation or prior experience is recommended
- Included clamps and fittings are basic and many users upgrade to stainless clamps for durability
Verdict A ready-made, heavy-duty universal cooler kit that delivers noticeable transmission temperature reduction but requires mechanical fitting and some upgraded fittings for long-term reliability.
3. BIENEFRIA Transmission Oil Cooler for Mitsubishi Outlander (Part 2920A123)
| Fits Models | Mitsubishi Outlander 2.4L (2005–2013 Delica CW4W CW5W CV5W) |
|---|---|
| Part Number | 2920A123 |
| Material | Aluminum |
| Manufacturer | CoolingSun / BIENEFRIA |
This BIENEFRIA transmission oil cooler is built as a direct replacement for Mitsubishi Outlander 2.4L (part number 2920A123) and is intended to cool automatic transmission fluid to reduce overheating and fluid breakdown. It installs in place of the factory cooler and is manufactured from aluminum with heavy-gauge mounting brackets that limit movement and vibration. In real-world use the cooler will lower transmission operating temperature during towing, long grades, or spirited driving, which helps extend transmission life and reduce the chance of fluid leaks caused by excessive heat. The unit is described as matching OEM fitment so no major modifications should be required, but the listing notes professional installation is recommended and no instructions are included. Expect a solid, budget-conscious replacement that focuses on durability and fit rather than performance upgrades like multi-pass cores or integrated thermostats. If you need an aftermarket cooler that simply restores factory cooling capacity and reliability for an Outlander, this is a reasonable choice; if you want a heavy-duty performance cooler for severe towing or racing, consider a purpose-built performance unit instead.
Best for: Performance-oriented buyers who want a durable, factory-compatible transmission cooler to maintain transmission temperatures during spirited driving or moderate towing and who prioritize reliable fit and longevity.
Less Ideal for: Drivers seeking a high-capacity performance oil cooler for heavy towing, racing, or extreme duty where a multi-pass or larger-core aftermarket cooler would be required.
- Direct-fit replacement for Mitsubishi Outlander 2.4L (part 2920A123) for straightforward installation to factory locations
- All-aluminum construction offers corrosion resistance and efficient heat transfer compared with stock units
- Heavy-gauge mounting brackets reduce movement and vibration for more secure mounting
- Designed to cool automatic transmission fluid to help prevent overheating and potential transmission damage
- No installation instructions included so installers should be familiar with transmission cooling lines and brackets
- Not marketed as an upgraded multi-pass or high-capacity performance cooler for heavy towing or motorsport use
Verdict A durable, factory-compatible aluminum transmission oil cooler for Mitsubishi Outlander 2.4L that restores reliable cooling without stepping up to heavy-duty performance upgrades.
4. ZDKK Transmission Oil Cooler Radiator 2920A128 for Mitsubishi Outlander 3.0L V6
| Compatible vehicle | Mitsubishi Outlander (2014–2021) 3.0L V6 6B31 |
|---|---|
| Manufacturer part number | 2920A128 |
| Material | Aluminum core |
| Package contents | 1 x Transmission Oil Cooler Radiator |
This oil cooler radiator is a direct-fit replacement made to match the factory part number 2920A128 for the Mitsubishi Outlander 3.0L V6 (6B31). It installs into the factory brackets and connects to the transmission cooling lines to regulate transmission fluid temperature, helping prevent overheating and supporting smoother gear shifts during everyday driving or light towing. The unit uses aluminum cores and reinforced seals for improved heat dissipation and resistance to pressure, so it handles extended highway runs and warmer climates better than a worn cooler. It is intended for professional or mechanically confident DIY installation because it requires handling transmission fluid and proper line connections. Limitations include the limited fitment to the specified Outlander engine and the need to inspect and potentially replace old lines or fittings during installation, which can add cost and labor. For a budget-focused replacement, it delivers factory-style cooling performance without premium pricing.
Best for: Budget-conscious owners who want a reliable, factory-replacement style cooler to restore transmission cooling without paying for a premium aftermarket upgrade.
Less Ideal for: Drivers seeking a heavy-duty performance cooler for frequent towing, motorsports, or off-road use should consider higher-capacity or purpose-built cooling options.
- Direct-fit replacement matching factory part number for easy installation into existing brackets.
- Aluminum core construction and reinforced seals for effective heat dissipation and improved durability.
- Designed to restore consistent transmission fluid temperature for smoother shifting and reduced wear.
- Compact footprint that replaces the original cooler without requiring bracket modification.
- Compatible only with the Mitsubishi Outlander 3.0L V6 (6B31) so not suitable for other engines or models.
- Requires handling transmission fluid and professional-level installation for best results.
Verdict A cost-effective, direct-fit oil cooler that restores factory-level transmission cooling for the Outlander 3.0L V6 with minimal fuss.
5. Solarhome Hydraulic Oil Cooler 2920A024 for 2007–2008 Mitsubishi Outlander
| Manufacturer | Solarhome |
|---|---|
| Manufacturer Part Number | 2920A024 |
| Application Models | 2007–2008 Mitsubishi Outlander ES, LS, SE, XLS 2.4L L4 and 3.0L V6 |
This Solarhome hydraulic oil cooler is sold as a direct replacement for Mitsubishi Outlander 2007–2008 ES, LS, SE, and XLS models with 2.4L or 3.0L engines and mounts in place of the factory cooler. It is typically used to restore cooling function for transmission or hydraulic systems that rely on an external oil cooler, returning lost capacity after a failure or upgrade. The listing highlights model-specific fitment which simplifies selection for owners repairing a known fault. In practice the cooler provides the basic functionality expected from a factory-replacement part and should bolt into the stock location using existing connections. Limitations include minimal product detail on materials or internal construction and no explicit performance claims beyond fitment, so buyers who want verified flow rates or upgraded cooling capacity should look elsewhere. Installation will be straightforward for a competent DIYer or a shop, but expect to confirm hose and mounting compatibility before finalizing the swap.
Best for: Risk-averse buyers who prioritize a straightforward, model-matched replacement to restore proper cooling on a 2007–2008 Outlander and minimize installation uncertainty.
Less Ideal for: Owners seeking an upgraded high-capacity cooler for towing, racing, or heavy-duty use should consider performance-focused aftermarket options instead.
- Made for specific 2007–2008 Mitsubishi Outlander models which reduces fitment guesswork
- Replaces a failed hydraulic oil cooler to restore transmission or hydraulic cooling function
- Simple bolt-in design compatible with existing mounting points and connections
- Manufacturer provides limited technical detail on construction and cooling performance
- No stated performance upgrades over the factory cooler
Verdict A simple, model-specific replacement oil cooler that restores factory cooling function but does not promise enhanced performance.
6. A-Premium Transmission Oil Cooler for Mitsubishi Lancer / Outlander Sport
| Material | Aluminum |
|---|---|
| Compatible Vehicles | Mitsubishi Lancer 2008-2015; Outlander Sport 2011-2020 |
| OEM Part Numbers | 19014, 2920A103, MI4050105 |
This transmission oil cooler is a direct-replacement style unit intended for naturally aspirated Mitsubishi Lancer (2008-2015) and Outlander Sport (2011-2020) models with the specified 2.0L and 2.4L CVT applications. It mounts in place of the factory cooler to remove heat from transmission fluid, which helps protect internal components and preserve lubrication under regular driving and light towing or hot-weather conditions. The cooler is aluminum construction and uses the listed OEM reference numbers for fitment, making it straightforward for a tech to swap during a service. Practical benefits include simpler installation compared with aftermarket remote coolers and a compact profile that fits factory locations. Limitations are the basic tube-plate design and smaller core size compared with high-capacity performance coolers, so it is best for everyday driving rather than heavy-duty towing or track use. The included one-year unlimited-mileage guarantee offers reassurance, but buyers should verify vehicle compatibility against the part numbers before ordering.
Best for: Practical optimizers looking for a reliable, budget-friendly factory-style transmission oil cooler that restores proper cooling for normal daily driving and occasional warm-weather use.
Less Ideal for: Drivers who regularly tow heavy loads, run aggressive duty cycles, or expect significant performance gains should choose a larger high-capacity or dedicated remote cooler instead.
- Designed to match OEM reference numbers for straightforward replacement fitment
- Aluminum construction for good thermal conductivity and corrosion resistance
- Compact, factory-style shape that simplifies installation in the stock location
- One-year unlimited-mileage guarantee for added buyer confidence
- Smaller core and basic design limit cooling capacity under heavy loads
- Fitment applies only to specific Mitsubishi Lancer and Outlander Sport CVT models
Verdict A cost-conscious, factory-style replacement oil cooler that restores transmission cooling for everyday Mitsubishi Outlander Sport use but is not a heavy-duty upgrade.
7. A-Premium Transmission Oil Cooler for Mitsubishi Outlander (2920A290)
| Compatible models | Mitsubishi Outlander 2014–2016 L4 2.4L; 2014–2020 V6 3.0L |
|---|---|
| Material | Aluminum |
| Condition | New |
| Manufacturer part number | APOC278PC |
This A-Premium transmission oil cooler replaces the factory-style unit on specified Mitsubishi Outlander 2.4L and 3.0L models to help lower transmission fluid temperatures and protect internal components. It is a bolt-in aftermarket cooler made from aluminum and marketed as corrosion resistant to provide leak-free operation under normal driving. Typical installation is a direct swap where the original cooler mounts and lines match the included ports, which makes it suitable for routine servicing or when the original cooler shows signs of wear or leakage. The one-year unlimited-mileage guarantee gives extra peace of mind, and the construction aims to balance cooling performance with affordability. Important limitations are that fitment is specific to certain Outlander years and engines so buyers must confirm compatibility, and as an aftermarket part it may differ slightly in fit or finish from factory-quality parts. Buyers should also plan for basic mechanical skills or professional installation to ensure correct line connections and no leaks.
Best for: Balanced buyers who want a cost-effective, straightforward replacement cooler that restores transmission cooling performance without unnecessary complexity.
Less Ideal for: Shoppers seeking an upgraded heavy-duty or performance cooler for towing or extreme use should consider purpose-built, high-capacity aftermarket options instead.
- Direct replacement design for compatible Mitsubishi Outlander models for straightforward installation
- Aluminum construction offers corrosion resistance and helps dissipate heat effectively
- Sold as a single-piece unit with an unlimited-mileage one-year guarantee for added buyer confidence
- Fitment limited to specific Outlander model years and engine types so compatibility must be checked before buying
- Aftermarket fit and finish may differ slightly from factory-quality parts
Verdict A practical, factory-style aluminum transmission cooler for compatible Outlanders that balances cost, ease of installation, and reliable cooling for everyday driving.
Choosing the Right Mitsubishi Outlander Oil Cooler: Key Factors to Consider
Cooling Capacity and Core Design
Cooling capacity determines how much heat the oil cooler can dissipate during sustained or heavy-duty operation. Larger core surface area and multi-pass designs typically move more heat, which matters if you tow, drive in hot climates, or subject the engine to repeated high-load events.
Core design also affects airflow and pressure drop. Plate-and-fin or stacked-plate cores often offer efficient heat transfer in a compact package, while tube-and-fin cores can be more tolerant of debris. Match the core design to your expected operating conditions to avoid excessive oil temperature rise or undue strain on the oil pump.
Fitment and Mounting Compatibility
A cooler that fits the Outlander without extensive modification reduces installation time and potential issues. Look for models that provide OEM-style mounting points or dedicated brackets for the Outlander engine bay to avoid interference with hoses, wiring, or auxiliary components.
Consider the cooler's physical dimensions and orientation so it clears the bumper, radiator, and intercooler areas as applicable. Proper fitment also simplifies line routing and minimizes the need for additional adapters or custom hoses.
Materials and Corrosion Resistance
Material choice influences durability and lifespan, especially in regions that use road salt or near-coastal areas. Aluminum cores and housings are common for their thermal conductivity and light weight, but pay attention to coating, brazing quality, and corrosion protection on end tanks and fittings.
Stainless steel fittings and corrosion-resistant finishes on mounting hardware help maintain seal integrity over time. Good material construction lowers the risk of leaks and reduces maintenance frequency.
Compatibility With Oil Lines and Adapters
Ensure the cooler interfaces correctly with the Outlander’s existing oil passages and line fittings. Some coolers come with dedicated adapter fittings or standard metric threads that match factory oil lines, while others may require aftermarket adapters or hose kits.
Check thread types, hose sizes, and recommended torque specs before purchasing. Proper matching of lines reduces leak risk and simplifies future service or replacement of hoses and seals.
Serviceability and Core Replacement
Ease of maintenance matters if you expect to service or replace components over the vehicle’s life. Models with replaceable cores or accessible mounting make repairs faster and often less costly than fully welded units.
Consider whether the design allows inspection for oil cooler leak symptoms without major disassembly. Removable cores and standard fasteners facilitate routine checks and extend the usable life of the installation.
Thermal Performance Under Load
Thermal performance describes how well the cooler maintains safe oil temperatures during towing, hill climbs, or stop-and-go traffic. Look for specifications or test data that indicate performance at typical Outlander operating flows and expected engine heat loads.
Higher thermal capacity can reduce oil breakdown and protect bearings and seals. Balance required performance against available mounting space and any potential impact on airflow to the vehicle’s primary radiator.
FAQ
How do I know if my Mitsubishi Outlander needs a new oil cooler?
Common signs include unexplained oil temperature rises, visible coolant or oil contamination, or wetness around the cooler and connecting lines. You may also notice reduced oil pressure or a burning smell if an internal breach occurs. If you suspect a problem, have the cooler and related lines inspected for leaks or blockages.
Can I install an oil cooler myself on a Mitsubishi Outlander?
Installation difficulty varies with the model and kit design. Some bolt-on kits with vehicle-specific brackets are straightforward for experienced DIYers, while others require routing lines through tight spaces or using adapter fittings. If you are not comfortable with fluid systems or torque specifications, professional installation reduces the risk of leaks and incorrect connections.
Will adding an oil cooler affect engine oil pressure?
A properly matched cooler should not significantly change normal oil pressure. However, adding long or narrow lines, or installing a cooler with excessive internal restriction, can increase pressure drop. Choose components sized for the Outlander’s oil flow and follow manufacturer guidance to minimize pressure changes.
Are there common leak symptoms to watch for after installing an oil cooler?
Watch for oil streaks on the cooler, dampness at hose connections, or pooling under the vehicle. You might also see rising oil consumption or contamination of nearby components. Regularly inspect fittings and lines after the initial installation and after the first few hundred miles.
Do I need a transmission oil cooler as well when installing an engine oil cooler?
It depends on your driving demands. Engine oil coolers manage engine oil temperatures, while transmission coolers are designed for automatic transmission fluid. If you tow frequently or perform heavy-duty driving, adding or upgrading a transmission cooler may be beneficial. Evaluate each system independently based on operating load and temperatures.
How We Chose the Best Mitsubishi Outlander Oil Cooler
We limited the selection to oil coolers that are explicitly compatible with the Mitsubishi Outlander and focused on items designed for sustained road use and towing. Key evaluation criteria included cooling capacity under load, physical fit and mounting options that match Outlander engine bays, build materials and corrosion resistance, and ease of service such as accessible lines and replaceable cores. Additional filters covered manufacturing quality, warranty support, and compatibility with existing oil lines and adapters commonly used on the Outlander. We excluded universal or generic coolers that require extensive custom fabrication or unverified fitment claims. We also avoided products lacking clear technical specifications for flow rate, pressure tolerance, or thermal performance. The final list reflects a balance of effective oil temperature control, installation practicality, and long-term durability for this vehicle.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right Mitsubishi Outlander oil cooler means balancing cooling capacity, fitment, and long-term durability. Prioritize a core design and thermal rating that match your typical driving conditions, and make sure mounting and fittings align with the Outlander’s engine bay to avoid complex modifications. Also consider maintainability and corrosion resistance when selecting a unit. Proper installation and matched oil lines reduce leak risk and help the cooler deliver reliable temperature control, which protects engine components and extends service life.
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