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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
1. PHILTOP Radiator for Mitsubishi Outlander (fits selected 2014–2016, 2019–2020; includes water tank lid)
| Vehicle fitment | Mitsubishi Outlander 2014-2016, 2019-2020 and 2018-2020 Outlander PHEV |
|---|---|
| Core material | High-density aluminum core |
| Includes | Complete radiator assembly with water tank lid and mounting foam |
| Certification | IATF16952 certification |
This PHILTOP radiator is designed as a complete direct-replacement cooling unit for select Mitsubishi Outlander years and includes the water tank lid and protective foam in the packaging to prevent damage. It uses a high-density aluminum core with multi-layer cooling fins to improve heat dissipation, so it performs like a factory replacement to keep engine temperature stable during daily driving and towing tasks. Typical installation is bolt-in with the supplied brackets but a few buyers reported needing to adjust or swap mounting brackets or enlarge holes for a perfect fit on some vehicles. The unit has transmission cooler fittings, which are convenient when your Outlander requires a transmission cooler loop, though a couple of reviews noted imperfect flares on fittings that required rework. Overall the radiator offers good cooling performance and value compared with dealer parts, with the caveat that you should inspect fittings and test for leaks during install and have basic tools on hand for minor fitment tweaks.
Best for: Balanced buyers who want a budget-friendly, practical factory-replacement radiator that delivers reliable cooling for everyday driving and occasional towing without paying dealer prices.
Less Ideal for: Buyers seeking a guaranteed bolt-perfect OEM unit without any possibility of minor fitment work or those unwilling to inspect and adjust fittings during installation should consider dealer or higher-end aftermarket options.
- High-density aluminum core and multi-layer fins for improved heat dissipation
- Supplies a complete radiator assembly including water tank lid and mounting foam to reduce transit damage
- Fits specific Mitsubishi Outlander model years listed for straightforward replacement
- Includes transmission cooler connections when vehicle configuration requires them
- Some units may require minor bracket adjustments or hole enlargement for perfect fitment
- Occasional issues reported with pre-flared transmission fittings that needed re-flaring
Verdict: A cost-effective, factory-replacement radiator for the Mitsubishi Outlander that balances cooling performance and value.
2. 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.
3. ECCPP Replacement Radiator for 2014–2019 Mitsubishi Outlander (Fits 2.4L, 3.0L and PHEV 2.0L)
| Compatible Vehicles | 2014–2019 Mitsubishi Outlander (listed engine variants) |
|---|---|
| Core Material | Aluminum core |
| Manufacturer | ECCPP |
This ECCPP replacement radiator is a straightforward drop-in cooling core intended for 2014–2019 Mitsubishi Outlander applications, including the 2.4L, 3.0L and PHEV 2.0L models listed. It uses a full aluminum core with high-grade plastic tanks to increase cooling capacity and resists leaks through factory-style construction. Installation is meant to be simple with no drilling or modification required, making it suitable for DIY mechanics or quick shop jobs. The design aims to match factory fit and function so hoses and mounts align for a standard replacement. Practical benefits include improved heat dissipation compared with aged cores and a leak-tested assembly to reduce the chance of early failures. Limitations to note are typical of value-focused aftermarket radiators: plastic tanks instead of metal on some joints and no detailed warranty information in the listing, so long-term durability may vary versus premium OE replacements. Confirming exact vehicle fitment before purchase is important to ensure the correct configuration for manual-transmission PHEV models.
Best for: Practical optimizers looking for a cost-conscious replacement that restores cooling performance without custom work and who value a part that is easy to install and shop-serviceable.
Less Ideal for: Drivers seeking a heavy-duty or premium OEM-equivalent lifetime solution for high-mileage or extreme-duty use should consider higher-end radiators or dealer parts instead.
- Direct-fit design intended to match factory mounting points for easier installation
- Full aluminum core to improve cooling capacity over worn radiators
- Leak-tested assembly to reduce initial failure risk
- Compatible with multiple Outlander engine and PHEV configurations listed
- Plastic tanks used on the assembly may not match the longevity of full-metal radiators
- No explicit long-term warranty details provided in the listing
Verdict: A budget-friendly, direct-fit replacement radiator that restores cooling performance on 2014–2019 Mitsubishi Outlander models without the need for modifications.
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. 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.
6. 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.
7. TRQ Radiator Assembly with Aluminum Core and Plastic Tanks — Direct Fit for 2014–2020 Mitsubishi Outlander / 2018–2019 Outlander PHEV
| Fitment | 2014–2020 Mitsubishi Outlander; 2018–2019 Outlander PHEV |
|---|---|
| Core Material | Aluminum |
| Core Row Quantity | 1 |
| Core Thickness | 0.63 in |
| Inlet/Outlet Diameter | 35.5 mm |
This TRQ radiator is a direct-replacement cooling unit built for the 2014–2020 Mitsubishi Outlander and 2018–2019 Outlander PHEV. It pairs an aluminum core with plastic tanks and comes pre-assembled for upper and lower mounting, so installation is straightforward for a confident DIYer or a shop. Notable features include a single-row 0.63 in core, 35.5 mm inlet and outlet diameters, and down-flow configuration with the outlet located at the bottom left; transmission and engine oil coolers are not integrated. In practice the unit restores factory cooling performance and many buyers report good fit and no leaks after installation. The biggest practical limitation is the plastic tank construction, which can feel thin compared with factory cast tanks and may be more vulnerable to impact or long-term stress. TRQ provides installation videos and claims direct fitment, which reduces the chance of modification during replacement but owners concerned about maximum durability should weigh that against the unit's value-for-money proposition.
Best for: Risk-averse mainstream buyers who prioritize a reliable, direct-fit replacement that restores factory cooling without modification and prefer parts backed by installation guidance.
Less Ideal for: Drivers seeking heavy-duty upgraded radiators for towing, extreme climates, or maximum long-term durability should consider reinforced or all-metal aftermarket options instead.
- Direct-fit design for 2014–2020 Outlander and 2018–2019 Outlander PHEV that simplifies installation
- Aluminum core for effective heat transfer and stock-equivalent cooling
- Pre-assembled mounting and standard inlet/outlet sizes reduce installation time and fitment issues
- Includes access to step-by-step installation videos to assist DIY repairs
- Plastic end tanks are less robust than metal alternatives and may be prone to damage over long term
- Does not include transmission or engine oil coolers, so additional coolers are required where applicable
Verdict: A budget-friendly, direct-fit replacement radiator that restores factory cooling performance for Mitsubishi Outlander models while keeping installation simple.
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.
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.
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.
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.
Explore More:
- Check out all Mitsubishi Outlander parts & accessories
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