Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
If you drive a Subaru Crosstrek and want to prevent steering fluid from getting too hot, choosing the right power steering cooler matters. High fluid temperatures accelerate wear on seals, hoses, and the steering pump, and can cause steering performance to degrade in demanding conditions. This guide covers seven shortlisted power steering coolers selected for their cooling effectiveness, build quality, and ease of installation. You will find the practical criteria we used to evaluate options and what to expect when fitting a cooler to your vehicle. Read on to see which types of units match your needs and driving style.
Looking for other parts? See all Subaru Crosstrek parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Edelmann Elite 58040 Power Steering Cooler |  |
| Best Quality Built to a higher standard if you want something more solid | Edelmann Elite Power Steering Cooler with Brackets (Model 59001B) |  |
| Best Value The sweet spot between price and what you get | Derale 4-Pass Power Steering Cooler Kit |  |
| Best Budget The cheapest option that still gets the job done reliably | Hayden Automotive Power Steering Oil Cooler (Model 1012) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Hayden 1009 Power Steering Oil Cooler (9 inch) |  |
| Most Popular A crowd favorite that many people choose with confidence | Hayden Automotive 1011 Power Steering Oil Cooler |  |
| Best Seller A high-volume bestseller chosen again and again | Derale 13200 Power Steering Cooler Kit |  |
1. Edelmann Elite 58040 Power Steering Cooler
| Brand | Edelmann |
|---|---|
| Model | 58040 |
| Exterior | Painted |
This Edelmann Elite power steering cooler is built to lower hydraulic temperatures in demanding driving conditions, helping preserve pump, hose, fluid, and seal life. It installs in-line with the power steering system and is intended to be used where higher-than-normal steering loads create excess heat, such as towing, aggressive driving, or extended hill work. Notable features include construction to factory specifications, high-temperature furnace brazing, and a painted exterior for corrosion resistance. In practice the cooler provides a passive way to reduce operating temperature without modifying steering components, which can translate to fewer failures and more consistent steering feel under stress. The unit is relatively compact and straightforward to integrate into existing lines, but buyers should confirm fitment and mounting space on their chassis since it was packaged for specific vehicle applications. This cooler is focused on thermal protection rather than increasing steering response, so expect longer component life rather than performance changes to steering behavior.
Best for: Performance-oriented owners seeking reliable thermal protection to extend steering component life during high-load driving and spirited use.
Less Ideal for: Drivers looking primarily for quicker steering response or a direct handling upgrade should consider performance steering components instead.
- Engineered to factory specifications for consistent fit and function
- High-temperature furnace brazing for durable construction and leak resistance
- Painted exterior offers corrosion protection for longer service life
- Not specifically listed for Scion xD fitment so may require custom mounting or hose adapters
Verdict: A robust, factory-quality cooler that reduces power steering temperatures to help protect components during heavy or performance-oriented use.
2. Edelmann Elite Power Steering Cooler with Brackets (Model 59001B)
| Brand | Edelmann |
|---|---|
| Model | 59001B |
| Exterior | Painted |
| Manufacturer | Plews & Edelmann |
| Item Weight | 2.4 pounds |
The Edelmann Elite power steering cooler is a universal-style inline cooler built to lower hydraulic temperatures and extend the life of pumps, hoses, seals, and fluid. It installs with the supplied brackets and is intended for demanding duty where higher fluid heat is common, such as vehicles used for towing, oversized tires, or spirited driving. The cooler uses high-temperature furnace brazing and painted exterior finishing for corrosion resistance and durability relative to typical replacement units. In real-world use it helps maintain steering assist performance by shedding excess heat during long periods of low-speed steering or repeated high-load maneuvers, which reduces the risk of premature component wear. Because it is a universal cooler rather than a vehicle-specific OEM part, fitment on a Scion xB will require confirming line routing and may need basic adapter fittings or custom mounting to the vehicle's chassis. The unit is compact and lightweight but buyers should plan installation time and check hose connection sizes before ordering.
Best for: Performance-oriented drivers who prioritize component longevity and consistent steering performance under demanding use and want a high-quality aftermarket cooler to prevent heat-related steering issues.
Less Ideal for: Buyers wanting a direct factory-style drop-in part or a no-modification installation solution for a Scion xB should consider vehicle-specific options instead.
- Designed to reduce power steering fluid temperatures for longer component life
- Manufactured with high-temperature furnace brazing for improved durability
- Painted exterior finish for added corrosion resistance
- Includes mounting brackets for easier installation
- Universal fit requires checking hose sizes and may need adapters or custom mounting for Scion xB
Verdict: A durable, furnace-brazed power steering cooler built to lower system temps and protect steering components during heavy use.
3. Derale 4-Pass Power Steering Cooler Kit
| Model | 4-Pass Power Steering Cooler |
|---|---|
| Manufacturer | Derale |
| Item model number | 13212 |
The Derale 4-Pass Power Steering Cooler Kit is a compact add-on cooler that uses 1/2 inch copper tubing expanded into aluminum fins to lower steering fluid temperature. It installs inline with the power steering hose using 11/32 inch hose barb inlets and is typically mounted where airflow can pass through the fins. In normal driving it reduces heat-related wear on the pump and seals, which can prolong component life during towing, spirited driving, or extended city traffic. The cooler’s 4-pass design increases fluid exposure to the fins for more efficient cooling than single-pass units while remaining lightweight and unobtrusive. Limitations include a basic kit-level fitment that may require custom hose routing or clamps for a clean installation on some vehicles and the need to locate the cooler where it receives adequate airflow to be effective. It is a straightforward, practical upgrade for reducing steering system temperatures without major modifications.
Best for: Balanced, all-round buyers who want a practical reliability upgrade to reduce power steering temperatures and extend component life without heavy modification.
Less Ideal for: Drivers looking for a bolt-in, vehicle-specific plumbing kit with dedicated brackets and fittings or those who cannot provide an airflow location for the cooler.
- 4-pass tubing design increases fluid exposure to cooling fins for better heat dissipation
- Copper tubing expanded into aluminum fins provides good thermal transfer
- Compact, lightweight kit that is easy to tuck into tight engine bays
- Helps extend pump and seal life by reducing fluid temperature during heavy use
- May require custom hose routing or additional fittings for a clean install on some vehicles
- Effectiveness depends on mounting location and available airflow
Verdict: A compact 4-pass cooler that lowers steering fluid temperatures to help extend pump and seal life with minimal space impact.
4. Hayden Automotive Power Steering Oil Cooler (Model 1012)
| Liquid Volume | 1.87 Liters |
|---|---|
| Upper Temperature Rating | 257 Degrees Fahrenheit |
| SAE J300 Viscosity Grade | 20W-50 |
| Item Form | Oil |
The Hayden Automotive 1012 power steering oil cooler installs inline to reduce operating temperature of power steering fluid and help prolong the life of the pump and hoses. It is factory tested and intended for straightforward installation in vehicles that accept an inline cooler; typical use is on street-driven cars where the steering system runs warm from sustained low-speed maneuvering or towing. The cooler is supplied as a single unit and uses vehicle fluid lines for connection, so it adds cooling capacity without complex plumbing. Practical benefits include lower fluid temperatures under load and a simple plug-in replacement-style fit for compatible setups. Limitations are that the listing provides minimal fitment guidance specific to the Scion tC, and some installations may require brackets or hose adapters not included. Buyers should verify hose sizing and mounting options before purchase.
Best for: Budget-conscious owners seeking an affordable way to reduce steering fluid temperatures and extend component life without major system changes.
Less Ideal for: Owners who need guaranteed vehicle-specific fitment, included mounting hardware, or a full kit with hoses and fittings should consider a complete cooler kit or professional-installed option.
- Factory-tested unit for consistent performance
- Designed to lower power steering fluid temperature and extend component life
- Single-unit supply simplifies installation for compatible inline setups
- No vehicle-specific fitment information or hardware such as mounting brackets or hose adapters included
Verdict: A low-cost, factory-tested inline cooler that helps lower steering fluid temperatures and protect pump and hoses.
5. Hayden 1009 Power Steering Oil Cooler (9 inch)
| Material | Aluminum |
|---|---|
| Overall Length | 9 Inches |
| Fits Hose I.D. | 3/8 Inch |
| Construction | Tube, Fin |
The Hayden 1009 is a compact aluminum power steering oil cooler intended to lower operating temperature in hydraulic steering systems by increasing fluid surface area and airflow. It mounts inline with 3/8-inch I.D. return hose lines and is commonly used on vehicles that see towing, larger tires, or prolonged low-speed steering work where fluid heat builds up. The unit includes mounting hardware and uses a tube-and-fin, two-row construction to improve heat rejection while remaining lightweight and machined for corrosion resistance. Installation is straightforward for a competent DIYer and the cooler helps reduce wear on pumps, hoses, seals, and fluid by keeping temperatures in check. Limitations include its fixed 9-inch length and 3/8-inch fittings, which restrict fitment to systems that accept that hose size, and it is a single-purpose add-on so it does not address underlying steering component faults.
Best for: Reliability-focused owners who want to reduce steering-system heat and extend the life of pumps, seals, hoses, and fluid without major modifications.
Less Ideal for: Drivers looking for universal fitment or adjustable plumbing options should consider models with multiple inlet sizes or adapter kits instead.
- Aluminum tube-and-fin construction for effective heat dissipation and corrosion resistance
- Includes mounting hardware for straightforward installation
- Designed for 3/8-inch I.D. return hose common on many power steering systems
- Compact 9-inch length fits tight engine bays where larger coolers will not
- Fixed 3/8-inch hose connection limits compatibility with systems using different hose sizes
- No adjustable fittings or adapters included for nonstandard plumbing
Verdict: A compact, aluminum inline cooler that reliably lowers power steering fluid temperature to help preserve system components.
6. Hayden Automotive 1011 Power Steering Oil Cooler
| Model | Power Steering Oil Cooler 1011 |
|---|---|
| Recommended hose I.D. | 3/8 inch |
| Exterior | Machined |
| Unit count | 1.0 Count |
| Manufacturer | Hayden Automotive |
The Hayden 1011 power steering oil cooler is an inline cooler intended to reduce operating temperature in power steering systems where heat is a concern, like vehicles with larger tires or frequent low-speed work. It installs in the return hose and comes with mounting hardware for a straightforward bolt-up. By shedding heat it helps protect the pump, hoses, seals and fluid, which can reduce premature failures and maintenance on older or heavily used systems. The unit is machined for durability and sized for systems using 3/8 inch I.D. return hose; Hayden offers similar coolers for different duty levels. Limitations are that fitment depends on hose inner diameter and available mounting space, and it does not include hose or fittings beyond the supplied bracket hardware, so installers should verify hose size and routing before purchase.
Best for: A risk-averse mainstream buyer looking to protect factory steering components on a Scion tC by reducing heat-related wear and extending service intervals.
Less Ideal for: Drivers who need a universal, tool-free retrofit or who cannot accommodate a small inline cooler in their engine bay should consider integrated radiator-mount options or professional installation.
- Reduces power steering fluid temperature to help prolong pump and hose life
- Machined exterior for a durable, serviceable finish
- Includes mounting hardware for simpler installation
- Sized for common 3/8 inch I.D. return hoses used in many aftermarket setups
- Requires matching hose inner diameter and enough underhood space for installation
Verdict: A compact, machined inline cooler that lowers steering fluid temperatures to help extend the life of Scion tC power steering components.
7. Derale 13200 Power Steering Cooler Kit
| Special Feature | Expanded Copper Tubing and Aluminum Cooling Fins |
|---|---|
| Inlet Size | 11/32 inch hose barb inlets |
| Model Name | 13200 |
| Installation Type | Self-Adhesive |
The Derale 13200 is a compact power steering cooler kit intended to reduce fluid temperature and help prevent heat-related pump failure. It mounts in front of the radiator or condenser and routes steering fluid through 1/2 inch copper tubing expanded into aluminum cooling fins to shed heat during normal driving and towing. The kit includes hose barb inlets and basic hardware for bolt-on installation, making it a straightforward add-on for routine maintenance or cooling upgrades. In practice it lowers operating temperature during prolonged low-speed or high-load use and can extend pump and seal life when heat is a factor. Because it is a simple inline cooler with a medium core area, cooling is effective for daily driving and light-duty towing but may be modest compared with larger or multi-pass coolers. Installation is practical for a home mechanic but may require careful routing to avoid chafing or kinking of the lines.
Best for: Convenience-driven buyers who want a simple, low-effort upgrade to reduce steering fluid heat and prolong pump life without major modification.
Less Ideal for: Drivers who frequently do heavy towing, competitive driving, or need maximum multi-pass cooling should consider larger or purpose-built heavy-duty coolers instead.
- Compact core with expanded copper tubing and aluminum fins for efficient heat transfer
- Includes hose barb inlets and hardware for a straightforward installation
- Small footprint fits in tight spaces ahead of the radiator or condenser
- Helps lower steering fluid temperature to reduce pump and seal stress
- Cooling capacity is moderate and may be insufficient for heavy towing or extreme-duty use
- Does not include detailed vehicle-specific fitment instructions
Verdict: A compact, easy-to-install power steering cooler that reduces fluid temperature and helps extend pump life for everyday and light-duty use.
Choosing the Right Subaru Crosstrek Power Steering Cooler: Key Factors to Consider
Cooling Capacity
Cooling capacity determines how much the unit can lower steering fluid temperature under continuous load. Larger core area, higher fin density, and more efficient flow paths typically yield better heat transfer.
Consider the typical driving you do. Heavy towing, long mountain descents, and extended off-road use generate more heat, so a cooler with greater capacity will reduce thermal stress on hoses, seals, and the pump. Cooling capacity also affects how quickly fluid recovers to safe temperatures between hard-use episodes.
Core Design and Materials
Core design influences both cooling efficiency and long-term reliability. Aluminum cores are common because they conduct heat well and resist corrosion when properly finished. Tube-and-fin cores provide a balance of airflow and fluid flow, while stacked-plate styles can offer very compact performance.
Pay attention to brazing quality and protective coatings. A well-constructed core resists damage from debris and road salt, reducing the chance of leaks or premature failure. Material choice also affects weight and how the cooler integrates with existing mount points.
Mounting and Fitment
Mounting options determine how easily the cooler attaches to your Subaru Crosstrek and whether additional brackets or modifications are required. Some coolers use universal brackets and require trimming or drilling, while others offer vehicle-specific mounts that simplify installation.
Good fitment reduces installation time and the risk of interference with other components. Consider airflow at the mounting location and ensure the cooler will receive adequate ventilation without obstructing other systems. A secure mount also prevents vibration that can stress fittings and hoses.
Hose and Fitting Compatibility
Compatibility with existing hoses and fittings affects installation complexity and leak risk. Coolers that include compatible fittings and adapters cut down on plumbing work and reduce the need to source third-party parts.
Check thread types, hose diameter, and whether the kit includes clamps or reusable fittings. Properly matched fittings help maintain correct fluid flow rates and prevent pressure drops that could affect steering feel. Avoid makeshift adapters that can introduce stress points or create uneven flow.
Ease of Installation
Ease of installation matters for both DIYers and professional installers. Clear instructions, included hardware, and straightforward mounting reduce shop time and the chance of mistakes. Some kits are designed for a bolt-on approach while others need custom bracket fabrication.
Consider the tools and skills required. If you plan to install the cooler yourself, choose a kit that lists step-by-step guidance and includes all necessary fittings. For more involved setups, factor in labor time and potential need for a hydraulic system bleed after installation.
Serviceability and Maintenance
A serviceable cooler makes future inspections and repairs easier. Look for accessible mounting locations, replaceable hoses or fittings, and corrosion-resistant finishes that prolong life. Units that allow periodic inspection of connections reduce the risk of unnoticed leaks.
Maintenance considerations also include how easy it is to flush or replace fluid around the cooler and whether replacement parts are readily available. A design that minimizes trapped fluid and facilitates drainage will simplify routine maintenance and lower long-term ownership effort.
How We Chose the Best Subaru Crosstrek Power Steering Cooler
Our selection focused on attributes that matter for the Subaru Crosstrek power steering cooler market. We prioritized cooling performance measured by heat-exchange surface area and fin density, since those directly affect how much fluid temperature drops under load. Durability was a second filter, including materials and corrosion resistance suitable for road and off-road conditions. Fitment and mounting options were assessed to ensure straightforward installation on Crosstreks without extensive modification. Hose and fitting compatibility were considered to minimize plumbing work and ensure reliable seals. Ease of installation and the clarity of included instructions were weighted because many Crosstrek owners install these units themselves.We excluded products intended solely for other vehicle classes or that required major steering-system changes. We also omitted coolers with unclear materials or no stated performance data. The resulting list focuses on units that balance real-world cooling capability, durable construction, and practical fitment for the Subaru Crosstrek platform.
Our full evaluation process is outlined in our review methodology.
FAQ
Do I need a power steering cooler for my Subaru Crosstrek?
You may need one if you regularly subject the vehicle to high steering loads, such as extended off-road use, steep descents, or frequent low-speed steering under heavy load. A cooler reduces fluid temperatures and can extend the life of hoses, seals, and the steering pump, especially in demanding conditions.
How hard is it to install a power steering cooler on a Crosstrek?
Installation difficulty varies by kit. Some units offer vehicle-specific brackets and all necessary fittings for a relatively straightforward bolt-on job, while universal kits may require bracket fabrication and hose routing. Basic mechanical skills and common hand tools are often sufficient for DIY installation.
Will a cooler change my steering feel or performance?
A properly sized cooler should not negatively affect steering feel. It is designed to sit in-line and manage fluid temperature without altering system pressure. Ensure fittings and hoses are correctly matched and free of restrictions to avoid any change in response.
Where is the best place to mount a power steering cooler on a Crosstrek?
Mount the cooler where it receives good airflow, such as in front of the radiator or intercooler, while avoiding contact with moving parts. The location should allow secure attachment and accessible fittings for inspection and maintenance. Adequate clearance prevents damage from road debris.
How do I know if the cooler is working?
Monitor steering fluid temperature before and after installation during comparable driving conditions. You should see lower peak temps under heavy use. Inspect fittings for leaks and check that fluid flow is unobstructed. Over time, cooler air passages should remain free of excessive debris to maintain performance.
Conclusion
Choosing the right Subaru Crosstrek power steering cooler comes down to balancing cooling capacity, fitment, and ease of installation. Prioritize a core and material set that can handle your typical driving demands, and pick a mounting approach that matches your willingness to fabricate or modify.Remember there are tradeoffs between maximum cooling and ease of installation. If you expect heavy use, opt for greater capacity and durable materials. If you want a quick, low-effort upgrade, choose kits with vehicle-specific fittings and clear instructions.
Explore More:
- Check out all Subaru Crosstrek parts & accessories
- Explore Power Steering Coolers Maintenance & Repair Guides
- Explore Cooling System
- Browse all Auto Parts
