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If your Mitsubishi Outlander is running hotter than normal or showing signs of coolant loss, replacing the radiator can restore reliable cooling and prevent engine damage. Picking the right Mitsubishi Outlander radiator matters because fitment, cooling capacity, and build quality determine how effectively the system controls temperature under real driving conditions. This guide shortlists the top-rated radiators for the Outlander, and explains the evaluation criteria used to narrow the options. You will see what to look for in cooling performance, material quality, and ease of installation before the product list.
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 | Garage-Pro Radiator for Mitsubishi Outlander (2018–2020) |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ Radiator, 1-Row Aluminum Core, Direct Fit for Mitsubishi Outlander (2008–2013) |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Engine Coolant Radiator Assembly for Mitsubishi Outlander (2014–2019) |  |
| Best Budget The cheapest option that still gets the job done reliably | OCPTY Radiator Replacement for Mitsubishi Outlander (2003–2006) |  |
| Most Sold A high-volume bestseller chosen again and again | TRQ Radiator Dual Cooling Fan Assembly for Mitsubishi Outlander Sport |  |
| Best Value for Money The sweet spot between price and what you get | AutoShack Radiator Core Replacement for 2004–2011 Mitsubishi Endeavor |  |
| Best Overall The best all-around choice for most situations | Spectra Premium CU2423 Radiator (Complete, With TOC, Without EOC) |  |
1. Garage-Pro Radiator for Mitsubishi Outlander (2018–2020)
| Fitment | 2018–2020 Mitsubishi Outlander 2.4L |
|---|---|
| Core material | Aluminum core |
| Tank material | Plastic tank |
| Interchange part numbers | CU13470, 1350A601, 1350A825, MI3010219 |
This Garage-Pro radiator is an aftermarket direct-fit replacement built for 2018–2020 Mitsubishi Outlander models that use the listed interchange numbers. It pairs an aluminum core with plastic tanks and installs in place of the factory unit to restore cooling performance after a leak or failure. Typical use is straightforward: remove the old radiator, transfer any required sensors or hoses, and bolt this unit into the factory mounts for street driving and daily use. The aluminum core offers good heat dissipation and the direct-fit design minimizes modification during installation. Practical benefits include compatibility with the vehicle s existing hardware and a free one-year unlimited-mileage warranty from the brand. Limitations to consider are the plastic end tanks, which can be more vulnerable than full-metal designs, and the fact that this is an aftermarket replacement rather than a factory-manufactured assembly, which can matter for long-term durability under heavy towing or extreme duty cycles.
Best for: Reliability-focused buyers who prioritize restoring factory cooling performance with a ready-to-install replacement and want a practical, no-frills repair solution.
Less Ideal for: Drivers who routinely tow heavy loads, use the vehicle for frequent high-load driving, or want a full-metal heavy-duty upgrade should consider more robust aftermarket or performance radiators.
- Direct-fit design for 2018–2020 Mitsubishi Outlander to simplify installation
- Aluminum core improves heat transfer compared with older designs
- Compatible with factory mounting points and existing hoses for a straightforward swap
- Plastic tanks instead of full-metal construction may reduce long-term durability under severe use
Verdict A practical, direct-fit aluminum-core replacement that restores cooling for Outlander owners seeking a straightforward, reliability-minded repair.
2. TRQ Radiator, 1-Row Aluminum Core, Direct Fit for Mitsubishi Outlander (2008–2013)
| Core Row Quantity | 1 |
|---|---|
| Core Material | Aluminum |
| Inlet Diameter | 1.38 in |
| Outlet Diameter | 1.38 in |
| Down Flow Or Cross Flow Type | Cross Flow |
This TRQ radiator is a direct-fit replacement designed to replace the factory unit on Mitsubishi Outlander models from 2008 through 2013. It uses a one-row aluminum core with plastic tanks and matched inlet and outlet locations to simplify installation as a swap-in part. Typical use is a routine radiator replacement after a leak, corrosion, or cooling failure; owners will find the unit bolts into the same mounting points and does not require modification when fitment is confirmed. Notable features include a cross-flow design, 1.38-inch inlet and outlet diameters, and pre-assembled components that reduce installation time. In practice the radiator provides effective cooling for stock engines and customers report durable performance when installed correctly. Limitations to consider are the single-row core which offers less cooling reserve than multi-row performance radiators and the plastic tanks that are more vulnerable to long-term heat cycling than all-metal options. Also there is no radiator cap or oil/transmission cooler integrated, so additional components must be reused or replaced separately.
Best for: Convenience-driven buyers who prioritize an easy, fast replacement that restores factory cooling performance with minimal fuss and downtime.
Less Ideal for: Drivers who need extra cooling capacity for towing, heavy payloads, or performance upgrades should consider multi-row or high-capacity radiators instead.
- Direct-fit design made to match factory mounting points for straightforward replacement on compatible Outlander models
- One-row aluminum core provides reliable, OEM-like cooling for stock driving conditions
- Pre-assembled unit reduces installation time and avoids custom modifications
- Cross-flow core and matching inlet/outlet locations simplify hose connections
- Single-row core has less cooling capacity than multi-row or heavy-duty performance radiators
- Plastic tanks can be less durable than full-aluminum radiators over many heat cycles
- Does not include a radiator cap or integrated oil/transmission cooler
Verdict A straightforward, convenience-focused direct-fit radiator for 2008–2013 Mitsubishi Outlander owners who want an easy OEM-style replacement rather than upgraded cooling capacity.
3. A-Premium Engine Coolant Radiator Assembly for Mitsubishi Outlander (2014–2019)
| Vehicle fit | Mitsubishi Outlander 2014-2019 2.4L 3.0L Manual Transmission |
|---|---|
| Manufacturer part number | APRAD265 |
| OEM part numbers | 13470, 1350A601, 1350A825, MI3010219 |
| Inlet/Outlet diameter | 1.38 inch |
This A-Premium radiator is a full replacement assembly intended to restore the Mitsubishi Outlander cooling system to factory-quality performance. It fits 2014–2019 Outlander 2.4L and 3.0L models with a manual transmission and installs in place of the original radiator. Notable features from the listing include measured core dimensions and matching inlet and outlet diameters, and the unit is manufactured to meet OEM fit and function standards. For a performance-oriented buyer the benefit is predictable cooling under normal and heavier loads, helping prevent overheating and maintain engine efficiency. The radiator does not include a transmission oil cooler, so it is focused purely on engine coolant duties. Packaged as a complete assembly it simplifies swap-out compared with piecemeal repairs, but buyers should confirm trim-level fit using the vehicle fitment tool before purchase. A-Premium offers a one-year unlimited-mileage guarantee which provides short-term reassurance if an issue appears after installation.
Best for: Performance-oriented buyers who want a factory-quality cooling replacement to maintain engine temperatures during spirited driving and towing; suited to owners focused on restoring reliable thermal management rather than cutting cost.
Less Ideal for: Those who need a radiator with an integrated transmission oil cooler or who prefer extended long-term warranties should consider alternative units or OEM dealer parts.
- Direct-fit assembly specified for 2014–2019 Mitsubishi Outlander 2.4L and 3.0L manual-transmission models
- Manufactured to meet factory-fit and function expectations for straightforward replacement
- Complete radiator assembly reduces need to source separate components during installation
- Measured core dimensions and matching inlet/outlet diameters help ensure plumbing compatibility
- One-year unlimited-mileage guarantee provides short-term coverage after installation
- Does not include a transmission oil cooler so vehicles needing that feature require a different part
- Limited warranty duration compared with longer-term aftermarket guarantees
Verdict A-Premium delivers a direct-fit, factory-quality radiator assembly aimed at drivers who need dependable cooling performance for 2014–2019 Outlanders but it lacks an integrated transmission cooler.
4. OCPTY Radiator Replacement for Mitsubishi Outlander (2003–2006)
| Fitment | Mitsubishi Outlander 2003-2006 |
|---|---|
| Core Material | Aluminum |
| Transmission Oil Cooler | Included |
| Position | Front |
| OEM Part Numbers | CU2617, 1350A176, MI3010198, MN180842 |
This OCPTY radiator is a direct replacement for Mitsubishi Outlander model years 2003 through 2006 and replaces several factory part numbers so it fits like a factory-quality unit. It is an aluminum core radiator with a transmission oil cooler included, intended to swap in where the original radiator failed or leaked. Typical use is straightforward: remove the old radiator, install this unit, reconnect hoses and fittings, and bleed the cooling system. Notable features include aluminum core construction for corrosion resistance and an integrated transmission cooler which saves the step of adding a separate cooler. Practical benefits are lower cost compared with dealer parts and compatibility with multiple part numbers, which simplifies fit verification. Important limitations are that this is a budget aftermarket part so finish and exact OEM-level fitment may vary and careful comparison to your original part and hardware is recommended. Also instructions and included hardware may be minimal, so some mechanical experience or shop installation helps ensure proper sealing and performance.
Best for: Budget-conscious owners seeking an affordable, factory-replacement style radiator for routine repair or to replace a leaking unit on a Mitsubishi Outlander 2003–2006.
Less Ideal for: Owners who prioritize exact factory finish, warranty-backed dealer parts, or who want plug-and-play installation without any minor adjustments should consider higher-end or dealer alternatives.
- Direct replacement fit for 2003–2006 Mitsubishi Outlander with multiple matching part numbers
- Aluminum core construction for improved heat transfer and corrosion resistance
- Includes integrated transmission oil cooler so no separate cooler is required
- Budget-priced option compared with factory dealer radiators
- Aftermarket fit and finish can vary so minor adjustments or extra sealant may be needed during installation
- Limited installation guidance and minimal included hardware may require professional installation or additional parts
Verdict A cost-effective aluminum direct-replacement radiator for 2003–2006 Mitsubishi Outlander buyers who want OEM-style compatibility without the dealer price.
5. TRQ Radiator Dual Cooling Fan Assembly for Mitsubishi Outlander Sport
| Compatible vehicle | Mitsubishi Outlander Sport |
|---|---|
| Reference numbers | MI3115144; 1355A093; 1355A225; MR993933 |
| Assembly | Pre-assembled dual fan unit |
This TRQ dual cooling fan assembly is a direct-fit replacement intended for the Mitsubishi Outlander Sport. It arrives pre-assembled so you can swap the entire unit into the radiator area without needing to assemble separate fan motors or shrouds, which speeds up installation and reduces garage time. The listing cites multiple reference numbers for fit verification and the brand provides DIY videos to guide owners through removal and installation. Functionally it restores cooling airflow for engine and A/C performance, which is important for preventing overheating and maintaining condenser efficiency. Expect factory-quality mounting points and electrical plug compatibility when matched to the correct year and engine application. Limitations include the need to confirm exact fitment against your vehicle using the compatibility chart because multiple part numbers are referenced, and there is no mention of upgraded motor performance or improved airflow versus factory specifications.
Best for: Risk-averse buyers who prioritize a straightforward, factory-style replacement and want clear installation guidance and predictable fitment for a Mitsubishi Outlander Sport.
Less Ideal for: Owners seeking performance upgrades, increased cooling capacity, or custom fan solutions should consider aftermarket high-performance options instead.
- Pre-assembled assembly reduces installation time and effort
- Direct-fit design intended to match factory mounting and electrical connections
- Includes multiple reference numbers to help verify vehicle compatibility
- Manufacturer provides DIY videos to guide installation
- Compatibility requires careful verification against vehicle year and part numbers
- No claimed performance improvements over the factory cooling fan
Verdict A practical, factory-style direct replacement that simplifies installation for owners who want a reliable cooling fan swap for the Mitsubishi Outlander Sport.
6. AutoShack Radiator Core Replacement for 2004–2011 Mitsubishi Endeavor
| Compatible vehicles | 2004–2011 Mitsubishi Endeavor XLS/Limited 3.8L FWD V6 |
|---|---|
| Core material | Aluminum |
| Exterior | Aluminum, Plastic |
| Manufacturer part number | RK1045 |
This AutoShack radiator is a straight replacement intended to restore proper engine cooling on 2004–2011 Mitsubishi Endeavor vehicles. It installs in place of the factory radiator and is typically used during routine cooling-system repairs when the original unit is leaking, corroded, or no longer controlling engine temperature. The unit uses an aluminum core with plastic end tanks and is manufactured to automotive quality standards claimed by the brand for consistent fit and function. Buyers will appreciate the returned-to-service cooling efficiency and corrosion resistance compared with an aged radiator, and many owners report straightforward installation when professional or experienced DIY help is used. The radiator does not include some hardware and the cap may differ from the original, so expect to source a matching cap and possibly a few mounting pieces during installation. The product is backed by a short limited warranty and professional installation is recommended for a trouble-free fit.
Best for: Practical optimizers seeking a cost-effective, factory-replacement cooling part that restores reliable day-to-day operation without paying OEM premiums.
Less Ideal for: Those who prioritize exact factory-match cosmetics or want a fully kitted replacement that includes every cap and mounting part should consider a dealer-supplied unit or a more comprehensive kit.
- Direct-fit replacement engineered for 2004–2011 Mitsubishi Endeavor fitment
- Aluminum core improves heat dissipation and resists corrosion compared with older units
- Many buyers report straightforward installation and good functional fit
- Manufactured to automotive quality standards for consistent everyday performance
- Radiator cap and some installation hardware are not included, may require sourcing separately
- Aftermarket fit and some details can differ slightly from the original factory part
Verdict A budget-minded, functional radiator replacement that restores cooling for 2004–2011 Mitsubishi Endeavor owners but may require sourcing a matching cap and minor hardware.
7. Spectra Premium CU2423 Radiator (Complete, With TOC, Without EOC)
| Item model number | CU2423 |
|---|---|
| Product type | Complete radiator with TOC, without EOC |
| Core length | 34-1/16" core (listed) |
This Spectra Premium CU2423 is a direct-fit replacement radiator designed to restore factory cooling performance on compatible Mitsubishi Outlander models. It installs as a drop-in unit and includes the transmission oil cooler option but not the EOC, so it matches vehicles that use that configuration. The radiator uses high-density multi-louvered fins for improved heat transfer and comes with an accessory pack to simplify installation. In real-world use it keeps engine temperatures stable during highway driving and typical towing or cargo loads, and many users report straightforward fit and no leaks when rubber fittings from the original are reused. Limitations to note are variability in quality control reported by some buyers and the absence of the EOC version may make it incompatible with Outlanders that require that specific configuration; confirm your vehicle configuration before buying.
Best for: Buyers seeking a balanced, reliable factory-replacement radiator for routine driving and light towing who prioritize fit, cooling performance, and an easy install.
Less Ideal for: Drivers who need a radiator with the EOC configuration or who require heavy-duty cooling upgrades for sustained high-load towing should consider other options.
- Factory-style drop-in fit for straightforward installation
- High-density multi-louvered fins for improved heat transfer
- Includes transmission oil cooler option when applicable
- Accessory pack provided to simplify installation
- Not available with EOC on this listing which limits fitment to Outlanders without that configuration
- Some buyers report occasional shipping damage or quality-control defects
Verdict A practical, factory-style replacement radiator for Outlander owners who want reliable cooling and an easy drop-in installation, but verify EOC requirements before purchasing.
Choosing the Right Mitsubishi Outlander Radiator: Key Factors to Consider
Cooling Capacity and Core Design
Cooling capacity determines how much heat the radiator can shed from the engine coolant. A larger core area and higher fin density generally increase heat transfer, helping the engine maintain safe operating temperatures during highway driving and towing.
Core design also affects airflow resistance and the radiator’s ability to dissipate heat at low vehicle speeds. When assessing cooling capacity, consider how you use the vehicle and whether the OEM cooling was marginal under your load or climate conditions.
Material and Corrosion Resistance
Radiators are commonly made from aluminum, plastic-aluminum hybrids, or copper-brass. Material choice affects thermal conductivity, weight, and long-term corrosion resistance. Aluminum cores with quality brazing often balance weight and performance, while corrosion-resistant coatings and proper coolant chemistry extend service life.
Check for corrosion-resistant tanks or protective treatments, since corrosion and electrolysis are common causes of premature failure. Durable materials reduce the risk of leaks and contamination over time.
Fitment and Mounting Compatibility
Accurate inlet and outlet placement, bracket locations, and overall dimensions ensure the radiator will install without modification. Proper fitment prevents stress on hoses and brackets that can lead to leaks or premature failure.
Confirm that the radiator’s tank design and hose connections match the Outlander’s layout. Good fitment also simplifies installation and reduces the chance of interference with surrounding components like fans and shrouds.
Sealing, Pressure Rating, and Leak Prevention
A radiator’s sealing methods and pressure rating determine how well it holds coolant under normal and elevated operating pressures. Quality gaskets, crimped or welded joints, and tested pressure ratings reduce the likelihood of slow leaks and sudden failures.
Inspect details such as cap compatibility and reinforcement at stress points. A radiator that maintains a proper system pressure helps avoid boil-over and ensures the cooling system operates as designed.
Serviceability and Integration with Cooling System
Consider how the radiator integrates with components such as the fan assembly, transmission cooler lines if present, and the vehicle’s bleed and fill procedures. Easy access to mounting points and standard hose sizes shorten installation time and simplify future maintenance.
Serviceability also covers availability of replacement parts like mounting grommets and inlet/outlet fittings. A radiator that supports routine coolant maintenance, such as a coolant flush, makes long-term care easier.
Warranty and Manufacturer Support
Warranty terms and manufacturer support provide an indicator of expected product longevity and confidence. Longer or more comprehensive warranties often reflect higher manufacturing standards and available customer support in case of defects.
Check what the warranty covers and how claims are handled. Solid support reduces risk and can be especially helpful if you encounter fitment questions or need technical documentation during installation.
FAQ
How do I know if my Mitsubishi Outlander radiator is failing?
Common signs include persistent overheating, visible coolant pooling or wet spots under the vehicle, and a sweet coolant odor. You may also notice low coolant levels without obvious external leaks or temperature gauge fluctuations that occur during normal driving. If you see any of these symptoms, inspect hoses, clamps, and the radiator for visible damage or corrosion.
Can I install a replacement radiator myself on the Outlander?
Many owners with basic mechanical skills can replace a radiator, as long as they follow the vehicle’s service procedures and have the proper tools. Key steps include draining the coolant, disconnecting hoses and fittings, transferring any required sensors or brackets, and refilling and bleeding the cooling system. If you are unsure about fitment or bleed procedures, professional assistance is recommended.
Should I reuse my existing hoses and clamps when replacing the radiator?
Hoses and clamps can often be reused if they are in good condition, free of cracks, and not overly softened or hardened. However, replacing old hoses and using new clamps alongside a new radiator reduces the risk of future leaks and saves time on repeat repairs. Inspect hose ends and connection points for deterioration before deciding to reuse them.
What maintenance helps prolong radiator life?
Regular coolant changes with the correct type and concentration help prevent corrosion and scale buildup inside the radiator. Periodic inspections for external debris, bent fins, and coolant leaks also help catch issues early. Performing a recommended radiator coolant flush according to the vehicle’s maintenance schedule maintains flow and heat transfer efficiency.
Is there a difference between OEM and aftermarket radiators for the Outlander?
OEM radiators are built to the vehicle maker’s original specifications and often match fitment and performance exactly. Aftermarket radiators vary in materials and construction; some offer equal or improved features while others may differ in fit or finish. Evaluating build quality, warranty, and specified fitment helps determine whether an aftermarket option suits your needs.
How much does a radiator repair or replacement usually cost to consider?
Costs vary depending on parts and labor, but the decision should weigh repairability, warranty coverage, and long-term reliability. For small leaks or localized damage, repair procedures can sometimes restore function. For widespread corrosion or structural damage, full replacement is often the more reliable long-term solution.
How We Chose the Best Mitsubishi Outlander Radiator
We focused on criteria that most directly affect long-term cooling performance and fitment for the Mitsubishi Outlander. Key filters included core cooling capacity and fin density to judge heat rejection, construction material and corrosion resistance for durability, inlet/outlet placement and mounting points for correct fitment, and pressure rating and sealing methods to prevent leaks under operating conditions. We also evaluated ease of installation, accessibility of replacement parts, and compatibility with common coolant maintenance procedures. We excluded units that lacked clear fitment information for the Outlander, parts with poor manufacturing traceability, and radiators intended for racing or heavily modified engines that do not reflect typical driving needs. The final picks prioritize reliable cooling performance, durable materials, and straightforward installation for most owners.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a radiator for a Mitsubishi Outlander, prioritize correct fitment, adequate cooling capacity, and durable construction. Those factors most directly affect reliability, engine temperature control, and long-term maintenance needs. Balance ease of installation and warranty support against material choices and corrosion resistance. Addressing these tradeoffs will help you select a radiator that keeps the Outlander running cooler and reduces the likelihood of repeat service.
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