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If you drive a Scion tC and want more consistent steering response, adding a dedicated cooler can help protect the system from heat-related wear. Choosing the right Scion tC power steering cooler matters because prolonged high fluid temperatures accelerate seal and pump deterioration, which can lead to stiffer steering and premature failures.This guide covers seven shortlisted options that meet common fitment and performance needs. We evaluated cooling capability, installation effort, and build quality to help you decide which cooler suits your driving conditions and maintenance preferences. Next, find the factors we used to assess these top picks and what to consider before you buy.
Looking for other parts? See all Scion tC parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Derale Series 7000 Power Steering Cooler Kit |  |
| Best Quality Built to a higher standard if you want something more solid | CSF 8041 High Performance Power Steering Cooler |  |
| Best Value The sweet spot between price and what you get | Derale 13309 Power Steering Cooler Kit (Black) |  |
| 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 | Derale 13200 Power Steering Cooler Kit |  |
| Best Seller A high-volume bestseller chosen again and again | Hayden Automotive 1011 Power Steering Oil Cooler |  |
1. Derale Series 7000 Power Steering Cooler Kit
| Material | Aluminum/Copper |
|---|---|
| Inlet/Outlet | 11/32 in Hose Barb |
| Finish | Black Powder Coat |
| Type | Tube and Fin Core |
The Derale Series 7000 power steering cooler kit is a small tube-and-fin cooler intended to lower steering fluid temperature for improved system longevity and consistent steering feel. It installs inline using 11/32 inch hose barb fittings and includes mounting hardware and hose, so it is typically used between the power steering pump and rack or reservoir to shed heat during towing, spirited driving, or stop-and-go traffic. The aluminum and copper construction with a black powder coat gives corrosion resistance and a tidy under-hood appearance. Its compact core fits in tight spaces behind the bumper or near the radiator while still offering better thermal transfer than an uncooled line. Limitations are its modest core size, which means it is best for everyday performance improvement rather than heavy-duty cooling for large towing loads, and hose barb fittings require secure clamp connections to avoid leaks. Overall it is a straightforward, durable factory-replacement style cooler for owners who want lower steering fluid temps without complex plumbing.
Best for: Balanced all-round buyers who want a reliable, easy-to-install cooler to lower power steering fluid temperatures for improved steering consistency and component life without major modifications.
Less Ideal for: Owners who need heavy-duty cooling for frequent towing, motorsport use, or substantially modified steering systems should choose a larger or purpose-built cooler.
- Aluminum/copper tube-and-fin design provides efficient heat transfer for its size
- Compact core and included hardware allow installation in tight engine bays
- Black powder coat finish offers corrosion resistance and a clean appearance
- Includes hose and fittings for a mostly complete install
- Small core size limits cooling capacity for heavy towing or extreme use
- Uses hose barb fittings that require careful clamping to prevent leaks
Verdict: A compact, durable inline power steering cooler that lowers fluid temperatures with minimal fuss for everyday driving and light towing.
2. CSF 8041 High Performance Power Steering Cooler
| Compatible Devices | Radiator |
|---|---|
| Maximum Rotational Speed | 1800 RPM |
| Material Type | Plastic |
The CSF 8041 is an inline power steering cooler intended to lower fluid temperatures and extend component life during spirited driving or towing. It installs into the power steering circuit and uses a plastic-bodied radiator-style cooler to increase fluid surface area and improve heat dissipation up to the specified rotational flow conditions. Typical use is for performance-oriented drivers who push steering systems harder than stock, where cooler fluid reduces foaming and protects seals and pump internals. The unit is light and compact, making it straightforward to fit into tight engine bays with basic hose and clamp connections, though plastic construction means it will not match metal coolers for extreme durability. Notable features from the listing include a rated maximum rotational speed and radiator compatibility that imply it was built to work with standard hydraulic flow rates. If you want a high-quality factory-replacement style cooler to lower operating temperatures on a Scion tC without major fabrication, this provides an effective, easy-to-fit option; those needing heavy-duty track use may prefer an all-metal alternative.
Best for: Performance-oriented owners seeking a reliable, factory-quality upgrade to keep steering fluid cooler during spirited street driving and occasional track sessions.
Less Ideal for: Drivers who plan intense, sustained track use or off-road abuse and need maximum durability and metal construction should consider heavier duty all-metal coolers instead.
- Designed to reduce power steering fluid temperatures for improved system longevity
- Compact radiator-style design fits into confined engine bays
- Lightweight unit that is simple to install with standard hose connections
- Plastic construction is less impact- and heat-resistant than metal coolers
- Limited published performance detail beyond rated rotational speed
Verdict: A compact, performance-focused power steering cooler that lowers fluid temperatures with an easy-to-fit, factory-style design.
3. Derale 13309 Power Steering Cooler Kit (Black)
| Model | Power Steering Cooler (-6AN) |
|---|---|
| Item model number | 13309 |
| Exterior | Painted |
The Derale 13309 is a small, four-pass power steering cooler kit designed to lower fluid temperatures using 1/2 inch copper tubing expanded into aluminum cooling fins and extruded plastic fin guards. It installs in-line with your power steering or auxiliary cooling circuit to improve heat dissipation under load or in towing and spirited driving. The painted finish and compact footprint make it easy to tuck into tight engine bays like the Scion tC without looking out of place. Practical features include the four-pass design for increased cooling efficiency and protective plastic fin guards to reduce debris damage. Limitations to note are its modest size and capacity compared with larger, heavier-duty coolers, so it is best for everyday drivers seeking better thermal control rather than heavy towing or extreme track use. Installation will require compatible AN fittings and basic plumbing skills or a shop visit.
Best for: Practical optimizers who want an affordable, space-efficient upgrade to lower power steering or auxiliary fluid temperatures in daily-driven Scion tC vehicles without overspending on heavy-duty gear.
Less Ideal for: Drivers who frequently tow heavy loads or push fluid temperatures to extreme limits should choose a larger, higher-capacity cooler designed for heavy-duty duty cycles.
- Four-pass cooler design improves fluid heat exchange compared with single-pass cores
- Copper tubing bonded to aluminum fins for effective thermal transfer
- Compact, painted unit fits tight engine bays common to compact cars
- Extruded plastic fin guards help protect fins from road debris
- Smaller capacity limits effectiveness for heavy towing or extreme performance use
- Requires compatible fittings and basic plumbing skills for installation
Verdict: A compact, budget-friendly four-pass cooler that delivers noticeable temperature control for everyday Scion tC driving without taking up much space.
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. 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.
7. 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.
Choosing the Right Scion tC Power Steering Cooler: Key Factors to Consider
Cooling Capacity
How much heat a cooler can dissipate directly affects how well it prevents fluid degradation and overheating. Higher capacity units use larger cores, more fin surface area, or multi-pass designs to shed more heat during sustained driving or towing.
Consider your typical use case. If you do spirited driving or live in a hot climate, prioritize units with proven thermal performance. For light urban driving, a moderate-capacity cooler may be sufficient and will be easier to package in tight spaces.
Fitment and Mounting Location
Physical size and mounting options determine whether a cooler will fit without major modifications. Some coolers are designed for front-of-bumper mounting, while others mount to existing brackets or behind the radiator.
Measure available space and verify clearance for hoses and fittings. A cooler that is too large can interfere with airflow to other components or require cutting of bodywork. Look for kits with vehicle-appropriate brackets or flexible mounting choices to simplify installation in the Scion tC.
Hoses and Fitting Compatibility
Compatibility with existing power steering lines affects installation time and leak risk. Coolers may use push-on hose ends, barbed fittings, or threaded adapters; matching the cooler fittings to the hose type reduces the need for adapters or hose replacement.
Check whether the kit includes appropriate adapters and clamps. If hoses must be replaced, factor in hose length, routing, and bend radius to avoid kinks that could restrict flow and raise system pressure.
Material and Corrosion Resistance
Materials influence both cooling efficiency and longevity. Aluminum cores are common for their thermal conductivity and light weight, while stainless or plated fittings resist corrosion from road salt and moisture.
Consider coatings or anodizing for extra protection in coastal or winter environments. Inferior materials or unfinished metals can pit or corrode over time, increasing the risk of leaks and requiring earlier replacement.
Installation Complexity
Installation effort affects whether you can DIY or should seek professional help. Simple bolt-on kits with clear instructions and included hardware are easier for DIYers, while some solutions require line cutting, crimping, or custom brackets.
Evaluate whether you have the tools and experience for hose swaps and bleeding the power steering system. Remember that incorrect installation can introduce air into the system or create leaks, so choose a solution that matches your comfort level.
Maintenance and Serviceability
How easy it is to inspect, clean, or replace a cooler affects long-term ownership. Accessible mounting locations and standard fittings simplify periodic checks for leaks or debris buildup in the fins.
Consider whether the cooler can be flushed or replaced without disassembling unrelated components. A design that allows quick disconnection reduces downtime and makes future service less disruptive.
How We Chose the Best Scion tC Power Steering Cooler
We focused on candidates that are compatible with the Scion tC chassis and routing constraints while delivering measurable cooling capacity. Key evaluation criteria included thermal performance under sustained load, materials and corrosion resistance, hose and fitting compatibility with standard power steering lines, and the overall footprint to ensure they fit behind the bumper or in other common mounting locations. We also assessed installation complexity, including whether the kit uses push-on or threaded fittings and if it requires hose adapters or additional brackets. Long-term durability factors such as core type, end-cap construction, and protective coatings were considered to estimate service life.Excluded from consideration were universal units that could not be adapted without major fabrication, products lacking clear mounting instructions, and coolers with poor-quality fittings or unknown materials. The final list emphasizes practical fitment for Scion tC owners, reliable cooling performance, and reasonable installation demands.
Our full evaluation process is outlined in our review methodology.
FAQ
Do I need a power steering cooler for daily driving in a Scion tC?
Not always. For routine commuting in moderate climates, the factory system often provides adequate cooling. A dedicated cooler becomes more useful if you experience frequent high-load driving, track days, towing, or live in hot environments where fluid temperatures can stay elevated.
Where is the best place to mount a power steering cooler on a Scion tC?
Common mounting locations include in front of the radiator, behind the front bumper, or attached to existing brackets where airflow is available. The best spot balances airflow, protection from road debris, and ease of hose routing based on the Scion tC's available space.
Will installing a cooler require replacing my power steering hoses?
Sometimes. If the cooler uses different fittings than your current lines, you may need adapters or replacement hoses to ensure a secure, leak-free connection. Many kits include necessary hoses and fittings to simplify installation, but check compatibility before starting work.
Can a power steering cooler prevent all steering system failures?
No. A cooler helps reduce fluid temperatures and slow thermal degradation, but it does not fix mechanical wear or seal failures caused by age, contamination, or lack of maintenance. It is a preventive measure that can extend component life when combined with proper fluid service.
How do I know if a cooler is working after installation?
You can monitor steering feel and fluid temperature if you have a gauge. A functioning cooler typically results in lower steady-state fluid temperatures during prolonged driving. Also check for reduced foaming, consistent steering effort, and no leaks at fittings.
Conclusion
Choosing the right Scion tC power steering cooler comes down to balancing cooling capacity, fitment, and installation practicality. Prioritize thermal performance if you subject the car to heavy loads or hot climates, and choose smaller, easier-to-mount units for everyday driving where space is limited.Also consider hose compatibility, material durability, and how accessible the cooler will be for future inspection. These tradeoffs determine the long-term benefits of adding a cooler and help you select a solution that reduces overheating risk without creating installation headaches.
Explore More:
- Check out all Scion tC parts & accessories
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