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Choosing the right power steering cooler for your Mitsubishi Lancer matters because excessive steering fluid heat shortens component life and can lead to steering performance issues. You want a cooler that reliably reduces fluid temperature, fits the vehicle, and is straightforward to install. This guide covers seven shortlisted Mitsubishi Lancer power steering coolers selected for real-world use. We evaluated cooling effectiveness and installation factors, with attention to materials, hose routing, and mounting options. Read on to find the options that best match your needs and driving conditions.
Looking for other parts? See all Mitsubishi Lancer parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Power Steering Oil Cooler (replacement) |  |
| Most Popular A crowd favorite that many people choose with confidence | Aumzong Power Steering Cooler (replacement 15009093) |  |
| Best Quality Built to a higher standard if you want something more solid | Dorman Power Steering Cooler 918-333 |  |
| Best Budget The cheapest option that still gets the job done reliably | Derale 13200 Power Steering Cooler Kit |  |
| Most Sold A high-volume bestseller chosen again and again | Dorman 918-343 Power Steering Cooler |  |
| Best Value for Money The sweet spot between price and what you get | PartsFlow Power Steering Oil Cooler 918-300 |  |
| Best Overall The best all-around choice for most situations | Dynamic Power Steering 45258 Power Steering Cooler |  |
1. A-Premium Power Steering Oil Cooler (replacement)
| Material | Aluminum |
|---|---|
| Manufacturer Part Number | APOC133 |
| OEM Part Number | 918300, SKTOC049, 15009093, 918-300 |
| Item Weight | 2.94 pounds |
This aluminum power steering oil cooler is a direct-replacement style cooler intended to sit inline with the power steering fluid lines and reduce fluid temperature under load. It is typically used when the factory cooler is leaking, damaged, or no longer cooling effectively; installation reviews indicate the part installs with minimal modification on vehicles it fits. Notable features include full-aluminum construction for improved heat transfer and a long tube length that increases cooling surface area. Practical benefits are straightforward: it can stop leaks, lower steering fluid temperature to reduce wear on the pump and hoses, and restore system reliability. Important limitations are that the part lists specific reference numbers and vehicle fitments that do not include Mitsubishi Lancer models, so using this exact unit for a Lancer would not be appropriate; also the cooler ships without gaskets or seals included, so you may need to source seals during installation.
Best for: Reliability-focused buyers who prioritize restoring or maintaining a stable power steering system and prefer a straightforward replacement that reduces fluid temperatures and pump stress.
Less Ideal for: Buyers looking specifically for a Mitsubishi Lancer power steering cooler or a universal cooler that lists Lancer fitment should look for a unit specified for that model or a dedicated Lancer-compatible replacement.
- Aluminum construction improves heat dissipation compared with older steel units
- Direct-fit design for listed compatible vehicles reduces installation hassle
- Long tube length provides a larger surface area for cooling
- Many buyers report easy installation and reliable fitment
- Does not include gaskets or seals required for some installs
- Fitment list does not cover Mitsubishi Lancer so it is not compatible for that vehicle
Verdict Good aluminum replacement cooler for the listed GM-family vehicles, but not suitable for Mitsubishi Lancer fitment.
2. Aumzong Power Steering Cooler (replacement 15009093)
| Manufacturer Part Number | 15009093 |
|---|---|
| Replacement Part Numbers | 918-300, SKTOC049 |
| Compatible Models Listed | Multiple GM SUVs and trucks (see fitment) |
This Aumzong power steering cooler is a direct-replacement style cooler intended to restore cooling to a failing or missing power steering oil circuit. It is typically used where the factory cooler has corroded or developed leaks and needs a like-for-like swap. The unit is sold as a ready-to-install cooler that matches common replacement part numbers and arrives pre-tested according to the listing. Practical benefits include straightforward fitment for listed GM platforms, a compact tubular cooler core that mounts in the original location, and generally positive user reports of easy installation and proper fit. Limitations to consider are that some buyers reported slightly different hose fitting diameters compared with factory fittings, which may require new clamps or minor hose adjustments, and a few reviewers suggested assembly quality varies and might benefit from reinforcement for long-term durability. This works best when you need an affordable, quick replacement that closely mirrors the factory component rather than an upgraded performance cooler.
Best for: Convenience-driven buyers who want a low-effort, ready-to-install replacement to get a vehicle back on the road quickly without sourcing OEM parts.
Less Ideal for: Drivers seeking a high-capacity performance cooler for towing or frequent heavy-duty use should look at purpose-built aftermarket upgrades instead.
- Matches common replacement part numbers for direct-install compatibility on listed vehicles
- Pre-inspected before shipment according to the listing to reduce DOA units
- Compact design that fits into the factory mounting area without modification
- Multiple reviewers report straightforward installation and proper fit
- Some fittings may be slightly smaller than factory ends and could require new clamps or hose adaptation
- Build quality appears variable across units and may need reinforcement for heavy-duty use
Verdict A budget-friendly, ready-to-install replacement cooler that restores factory-style cooling quickly but may need minor hose or clamp adjustments for a perfect fit.
3. Dorman Power Steering Cooler 918-333
| Manufacturer Part Number | 918-333 |
|---|---|
| OEM Part Number | 15829086 |
| Exterior | Ready To Paint If Needed |
| Model | Dorman 918-333 |
This Dorman power steering cooler is a direct-replacement cooler designed to restore cooling performance where the original unit failed. It is typically used as an underhood replacement that bolts into the factory mounting locations and ties into the vehicle power steering lines to reduce fluid temperature during heavy steering loads. The product emphasizes durable, corrosion-resistant construction and is engineered to match original fit and function for the listed applications. Buyers will appreciate that installation is straightforward for a competent DIYer or technician because the cooler is shaped and mounted to mirror the factory part. Limitations include that the part is made for specific GM vehicles and their routing, so fit and hose orientation may not transfer cleanly to other makes without modification. Also the listing does not include hardware or hoses, so additional parts may be needed during installation.
Best for: Performance-oriented buyers who prioritize restoring reliable steering system cooling and preserving handling consistency during spirited driving or towing. Ideal for owners looking for a high-quality aftermarket replacement that aims to replicate factory operation.
Less Ideal for: Drivers who need a universal or multi-vehicle cooler solution or who prefer a complete kit with hoses and mounting hardware should consider other options.
- Designed to match factory fit and function for specified vehicles
- Corrosion-resistant construction for longer service life
- Straightforward bolt-in installation when used on compatible models
- Backed by product engineering and a history of aftermarket repair solutions
- Compatibility is limited to the listed GM models and may not fit other vehicles without modification
- Does not include hoses or clamps, so additional parts may be required for installation
Verdict A solid factory-style replacement cooler for compatible vehicles, but limited to specific model fitment and sold without hoses or clamps.
4. Derale 13200 Power Steering Cooler Kit
| Inlet barb size | 11/32 inch |
|---|---|
| Tubing type | 1/2 inch copper tubing |
| Cooling fins | Aluminum fins |
| Model | 13200 |
| Installation type | Self-Adhesive |
The Derale 13200 is a small, straightforward power steering cooler kit designed to drop fluid temperatures and extend pump and seal life on a vehicle like the Mitsubishi Lancer. It uses 1/2 inch copper tubing expanded into aluminum cooling fins to increase surface area and comes with an 11/32 inch hose barb inlet and a basic hardware kit for mounting behind the grille or on a support. Typical installation involves cutting and routing the included hose between the steering gear and reservoir and securing the cooler with the supplied mounting pieces. In practice the cooler is lightweight and compact enough for tight engine bays, and buyers report it performs well under everyday and light towing use. The kit does include only about 4 feet of hose and simple clamps, so you may need to source longer hose or heavier-duty clamps for alternative mounting locations or off-road use. Some installers also found the supplied hose tight on the barbs, which can make assembly fiddly without lubricant or better clamps.
Best for: Budget-conscious Mitsubishi Lancer owners who want an inexpensive, easy-to-install way to lower steering fluid temperature and prolong steering system life during everyday driving.
Less Ideal for: Drivers who frequently subject their Lancer to heavy towing, extreme off-road use, or who want a professional-grade installation with heavy-duty fittings and long hose runs should look at more robust or vehicle-specific coolers.
- Compact, fits tight locations behind the grille or on support braces
- Copper tubing with aluminum fins for effective passive cooling
- Includes basic mounting hardware for straightforward installs
- Lightweight design that does not add significant load to mounting points
- Only about 4 feet of hose included which may be short for some routing choices
- Supplied hose can be difficult to slide onto barbs and may require replacement or lubricant
- Basic clamps and mounts are lightweight and may need upgrading for rough-road use
Verdict A compact, budget-friendly steering cooler that delivers practical cooling for daily Mitsubishi Lancer use but may need better hose and clamps for heavy-duty applications.
5. Dorman 918-343 Power Steering Cooler
| Manufacturer Part Number | 918-343 |
|---|---|
| OEM Part Number | 15159570 |
| Exterior | Ready To Paint If Needed |
| Item Weight | 2.2 pounds |
This Dorman power steering cooler is a direct replacement designed to restore cooling performance after the original unit fails. It installs in place of the factory cooler and is typically used when a leaking or corroded cooler causes hot steering fluid or steering effort changes. The part is built from corrosion-resistant materials and arrives ready to paint if desired, which helps it resist road exposure and extend service life. Fitment is vehicle-specific and the manufacturer recommends confirming trim compatibility before purchase. In practice the cooler delivers a straightforward, factory-style repair without modifying fluid lines, and customers report long service life when installed correctly. Installation can require bumper or grille removal on some vehicles so expect moderate labor or a shop visit. This is a reliable replacement for restoring OEM-level cooling but it is not a performance upgrade or universal add-on for vehicles with different mounting arrangements.
Best for: Risk-averse mainstream buyers looking for a straightforward, factory-quality replacement to restore reliable steering operation without experimenting with upgrades.
Less Ideal for: Drivers seeking an aftermarket performance or high-capacity cooler for heavy towing or track use should consider purpose-built performance units instead.
- Direct-replacement design for like-for-like fit and function
- Corrosion-resistant construction extends service life
- Arrives ready to paint for a clean finish or cosmetic matching
- Manufactured by a long-established aftermarket parts supplier
- May require removal of bumper, grille, or adjacent components for access during installation
- Not a performance cooler so it will not lower operating temperature beyond factory levels
Verdict A dependable, factory-style replacement cooler that restores original steering fluid cooling but is not intended as a performance upgrade.
6. PartsFlow Power Steering Oil Cooler 918-300
| Material | Aluminum |
|---|---|
| Reference number | 918-300, 15009093 |
| Package contents | Power Steering Cooler |
This PartsFlow power steering oil cooler is a straightforward replacement-style cooler that reduces steering fluid temperatures to help prevent premature wear and leaks. It installs where the factory cooler sits and is intended to route fluid through finned aluminum cores to dissipate heat during normal driving or spirited runs. The aluminum construction resists corrosion better than older steel designs and should hold up in wet or salty environments. Buyers will appreciate the direct-fit bolt pattern reported by users and the part arriving ready to install without modification. Limitations include that the listing targets specific GM-family vehicles and reference numbers, so fitment for a Mitsubishi Lancer is not guaranteed and may require measuring mounting points or adapting brackets. There is also no detailed flow rate or pressure rating provided, so technicians replacing a cooler should verify compatibility with the Lancer power steering plumbing and fittings before installation.
Best for: Practical optimizers who want a durable, cost-conscious cooler that extends component life and are willing to check fitment or adapt mounting for their application.
Less Ideal for: Drivers seeking a guaranteed bolt-on replacement for a Mitsubishi Lancer without any modification or who require documented flow and pressure specs for racing or heavy-duty use.
- Aluminum construction reduces corrosion compared with older steel coolers
- Designed as a direct-fit replacement on listed vehicles with matching bolt pattern
- Helps lower power steering fluid temperature to protect seals and pump
- Multiple user reports of correct fitment and reliable performance
- Product listing targets GM vehicles so fitment for Mitsubishi Lancer is not certain
- No manufacturer flow rate or pressure specifications provided for verification
- May require adapter brackets or hoses if mounting points differ
Verdict A well-built, corrosion-resistant cooler that offers good value if you can confirm or adapt fitment for your Lancer.
7. Dynamic Power Steering 45258 Power Steering Cooler
| Manufacturer | Dynamic Power Steering |
|---|---|
| Part Number | 45258 |
| Material | steel |
| Warranty Description | Lifetime Warranty |
This Dynamic Power Steering 45258 cooler is a direct-fit replacement intended to lower power steering fluid temperatures and protect the pump, hoses, seals, and fluid from heat-related wear. It installs in place of the factory cooler and uses brazed steel fins and a durable coating to resist corrosion from road exposure. In typical use it sits inline with the vehicle steering lines to increase fluid cooling during towing, extended idling, or spirited driving. The cooler is made in North America and is built to match factory specifications so fit and function should be straightforward when the fitment is correct. Practical benefits include reduced system operating temperature, which can extend component life and reduce the chance of premature leaks. Limitations are that this specific part is offered for particular vehicle applications and piping lengths may require trimming or minor routing adjustments during installation; it does not include hoses or fittings beyond the cooler assembly itself.
Best for: A balanced all-round buyer who wants a durable, factory-quality replacement to reduce steering-system heat and avoid premature component failures through regular driving and occasional heavy use.
Less Ideal for: Anyone seeking a universal cooler kit with hoses and fittings included or a quick do-it-yourself upgrade for a vehicle not listed in the fitment should look for a full kit or different part.
- Manufactured to match factory specifications for direct replacement fit where listed
- Brazed steel fins and coating improve durability and corrosion resistance
- Designed to lower steering fluid temperature to extend pump and seal life
- Made in North America, with new never-remanufactured materials
- Does not include additional hoses or fittings so some installers must reuse or buy lines separately
- Fitment is application-specific so it is not universal and must match the vehicle
Verdict A factory-spec steel cooler built for durability that helps reduce steering-system heat when you need a direct replacement and proper fitment.
Choosing the Right Mitsubishi Lancer Power Steering Cooler: Key Factors to Consider
Cooling Capacity
Cooling capacity determines how effectively the cooler lowers fluid temperature under load. Look for specifications such as core surface area, fin density, and stated flow rates because these indicate how much heat the unit can dissipate during sustained steering input.
Higher cooling capacity matters if you use the car for towing, track days, or driving in hot climates. However, a very large cooler can be harder to fit, so match capacity to your typical driving demands rather than choosing the biggest unit available.
Material and Corrosion Resistance
Materials affect longevity and resistance to road salt and contaminants. Aluminum cores with protective coatings or stainless steel fittings resist corrosion and maintain thermal transfer over time. Brazed or welded joints perform better under repeated thermal cycling than mechanically crimped assemblies.
Choosing corrosion-resistant construction reduces the chance of leaks and helps the cooler retain performance across seasons and harsh environments. Consider protective finishes or powder coating if you drive in coastal or salted-road areas.
Fitment and Mounting Options
Fitment determines how easily the cooler can be integrated into the Mitsubishi Lancer engine bay. Compact, low-profile designs and multiple mounting tabs increase the number of practical installation locations. Some kits include specific brackets sized for common mounting points, reducing the need for custom fabrication.
Assess available space near the radiator, front crossmember, or behind the bumper when planning installation. A cooler that fits cleanly without interfering with other systems lowers install time and reduces the risk of hose strain or chafing.
Hose and Fitting Compatibility
Compatibility with factory hoses and fittings simplifies installation and lowers leak risk. Check whether the cooler accepts standard hose diameters and whether adapters or flare fittings are needed. Preassembled kits often include hose, clamps, or adapters matched to typical steering systems to streamline installation.
Using correct fittings prevents pressure losses and potential leaks. If adapters are necessary, choose high-quality fittings and proper clamp types to maintain system integrity under pressure and temperature variation.
Installation Complexity
Installation complexity affects the time, tools, and skills required. Some coolers are designed as bolt-on kits with vehicle-friendly brackets and step-by-step instructions, while others may need cutting, drilling, or custom bracket fabrication. Consider whether you will install the cooler yourself or have it fitted by a mechanic.
Also factor in whether the installation requires system bleeding or additional hardware. Simpler installs reduce labor and the chance of mistakes during hose routing or mounting, making the cooler more practical for most owners.
Durability and Serviceability
Durability includes resistance to vibration, impact, and thermal cycling. Look for robust end tanks, reinforced hose connections, and core designs that tolerate road debris. Ease of service, such as replaceable hoses or accessible mounting, helps with maintenance and future repairs.
A durable, serviceable cooler reduces lifetime ownership hassle and ensures the steering system remains reliable over many miles. Consider whether replacement parts or mounting hardware are commonly available if long-term upkeep is a concern.
FAQ
Will adding a power steering cooler prevent overheating in my Mitsubishi Lancer?
A properly sized cooler often reduces fluid temperatures and lowers the likelihood of overheating during heavy use. Results depend on cooler capacity, airflow, and installation location. For severe or persistent overheating, diagnose underlying issues such as internal pump wear or restricted lines in addition to adding a cooler.
Where is the best place to mount a power steering cooler on a Mitsubishi Lancer?
Common mounting locations include in front of the radiator, behind the grille, or along the front crossmember where airflow is good. Choose a spot with steady airflow, minimal debris exposure, and enough clearance from moving parts. The right location balances cooling performance with protection from road hazards.
Does installing a cooler require special tools or professional help?
Some installations are straightforward with basic hand tools, hose clamps, and a few mounting fasteners. Other installs may require bracket fabrication, line adapters, or system bleeding, which might be better handled by a professional. Assess your comfort level and the complexity of the kit before starting the job.
Will a cooler affect steering feel or system pressure?
A correctly installed cooler should not noticeably change steering feel if fittings and hose routing maintain proper flow and pressure. Avoid excessively long or undersized hoses that can introduce pressure drops. Use manufacturer-recommended fittings to preserve hydraulic performance.
How often should I inspect or service a power steering cooler?
Inspect the cooler and fittings during regular maintenance intervals, such as oil changes or scheduled inspections. Look for leaks, damaged fins, loose mounts, and hose wear. Prompt attention to minor issues prevents larger failures and helps the system maintain effective cooling.
How We Chose the Best Mitsubishi Lancer Power Steering Cooler
We focused on items that are explicitly designed to work with the Mitsubishi Lancer and that address the common failure mode of elevated power steering fluid temperature. Selection began with units built from corrosion-resistant materials and fittings compatible with factory hydraulic lines. We evaluated cooling capacity using manufacturer-stated surface area, fin density, and flow-rate recommendations, and prioritized compact designs that allow practical mounting in the Lancer engine bay. Ease of installation was a key filter, favoring units with clear hose routing and commonly available fittings or kits for a straightforward install. Durability criteria included brazed or TIG-welded cores and quality end tanks. We excluded universal items that require extensive fabrication or adapters and any units lacking adequate technical specifications for fitment or cooling performance. Final choices balanced cooling effectiveness, mounting flexibility, and installation simplicity for typical street and spirited driving conditions.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize cooling capacity, fitment, and ease of installation when choosing a power steering cooler for your Mitsubishi Lancer. Match the cooler size and mounting approach to your driving conditions and available space to get meaningful temperature reduction without complex fabrication. Balance corrosion-resistant construction and compatible fittings with serviceability so the system remains reliable over time. If you drive in demanding conditions or notice elevated fluid temperatures, a properly chosen cooler can extend component life and reduce the risk of steering performance issues.
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