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If your Infiniti QX60 sees heavy towing, frequent stop-and-go driving, or spirited use, its power steering system can run hotter than intended. Choosing the right Infiniti QX60 power steering cooler helps protect seals, hoses, and the pump from heat-related wear and sudden failure. This guide presents seven shortlisted coolers that meet common fitment and performance needs for the QX60 and explains the factors that guided our choices. Below you will find concise notes on each top pick and what makes it suitable for different driving demands.
Looking for other parts? See all Infiniti QX60 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Power Steering Oil Cooler (compatible with select GM vehicles) |  |
| Most Popular A crowd favorite that many people choose with confidence | Dynamic Power Steering 45258 Power Steering Cooler |  |
| Best Quality Built to a higher standard if you want something more solid | Dorman 918-300 Power Steering Cooler |  |
| Best Budget The cheapest option that still gets the job done reliably | PartsFlow Power Steering Oil Cooler (918-300) |  |
| Most Sold A high-volume bestseller chosen again and again | Edelmann Elite Power Steering Cooler 58040 |  |
| Best Value for Money The sweet spot between price and what you get | Aumzong Power Steering Cooler (Replaces 15009093 / 918-300) |  |
| Best Overall The best all-around choice for most situations | Dorman Power Steering Cooler 918-301 |  |
1. A-Premium Power Steering Oil Cooler (compatible with select GM vehicles)
| Material | Aluminum |
|---|---|
| Manufacturer Part Number | APOC133 |
| OEM Part Number | 918300, SKTOC049, 15009093, 918-300 |
This A-Premium power steering oil cooler is an aluminum aftermarket replacement designed to cool and route power steering fluid on compatible GM models. It installs in place of the factory cooler and is typically used to replace a leaking or corroded original unit to restore steering system reliability and prevent overheating of fluid. Notable features include aluminum construction for improved corrosion resistance and a long, multi-fin cooler body that increases surface area for heat dissipation. Buyers will appreciate that many users report direct-fit installation with minimal modification and that the part arrives capped for safe shipping. Important limitations are that this unit is a vehicle-specific replacement for older GM platforms and not designed for vehicles outside that fitment, and the listing notes no included gaskets or seals so additional consumables may be required at installation. The seller offers a one-year unlimited-mileage guarantee, but long-term durability will depend on installation and operating conditions.
Best for: A reliability-focused buyer who prioritizes restoring a cooling function with a durable, corrosion-resistant replacement part and values a straightforward, DIY-friendly swap.
Less Ideal for: Buyers seeking a cooler specifically for an Infiniti QX60 or a universal, multi-vehicle solution should look elsewhere.
- Aluminum construction resists corrosion better than original steel units
- Designed for direct fit on listed GM models so installation is usually straightforward
- Ships with protective caps on lines to prevent contamination during delivery
- Long multi-fin cooler body increases fluid surface area for improved heat dissipation
- No gaskets or seals included, so additional parts may be needed at install
- Fitment is limited to older GM platforms and not applicable to Infiniti QX60
Verdict A practical aluminum replacement cooler that fits listed older GM vehicles and offers corrosion resistance but is not compatible with the Infiniti QX60.
2. Dynamic Power Steering 45258 Power Steering Cooler
| Material | steel |
|---|---|
| Part Number | 45258 |
| Made in | North America |
| Warranty | Lifetime Warranty |
This Dynamic Power Steering 45258 cooler is a compact steel cooler designed to lower power steering fluid temperatures and protect the pump, hoses, seals, and fluid from heat-related wear. It installs as an inline replacement and is typically mounted in front of the radiator or behind the grille to get airflow. The cooler is brazed with solid steel fins and a corrosion-resistant coating, which helps it hold up to road exposure and frequent use. For a convenience-focused buyer, its factory-spec fit and pre-attached lines simplify installation and usually let you cut lines to length rather than fabricating new hoses. Limitations are that this unit is supplied for specific domestic truck platforms and does not list Infiniti QX60 compatibility, so confirmation of hose routing and bracket fit is required before assuming direct fit; professional routing or minor modifications may be necessary. The cooler delivers a practical temperature-control upgrade when matched correctly to the vehicle and mounting location.
Best for: A convenience-driven buyer who wants a ready-made, factory-spec replacement that minimizes installation hassle and reduces steering-system temperatures with minimal sourcing or fabrication.
Less Ideal for: Owners seeking a guaranteed direct-fit cooler for an Infiniti QX60 without modification should consider a cooler explicitly listed for that model or a vehicle-specific OEM-quality replacement.
- Built to factory-spec dimensions for straightforward replacement where compatible
- Brazed steel fins and coated finish for corrosion resistance and durability
- Arrives with longer hose/line lengths so installers can trim to fit specific routing
- Manufactured in North America with new, non-rebuilt components
- Product listing does not state direct compatibility with Infiniti QX60 so fitment is uncertain
- Designed primarily for certain Chevrolet/GMC platforms which may require custom brackets or hose adapters for other vehicles
Verdict Good durable aftermarket cooler for lowering steering fluid temperatures, but confirm fitment for Infiniti QX60 before buying.
3. Dorman 918-300 Power Steering Cooler
| Material | Aluminum |
|---|---|
| Exterior | Machined |
| Manufacturer Part Number | 918-300 |
| OEM Part Number | SKTOC049; 15009093 |
This Dorman power steering cooler is a direct replacement cooler engineered to match factory fit and function on specified vehicles. It is an aluminum cooler with machined exterior intended to resist corrosion versus older mild-steel originals, so it is typically used to replace a leaking or corroded cooler and restore reliable power steering operation. Installers report straightforward bolt-in fit when accessed from under the bumper or through the lower air dam, and the cooler accepts factory-style hose connections and clamps. The practical benefits are straightforward: lighter, corrosion-resistant construction and an engineered shape intended to align with factory mounting points so steering fluid stays cooler and leak risk is reduced. Limitations are that fitment must be confirmed for the vehicle in question and some users needed minor alignment adjustments during installation; access can require removing or flexing the lower air dam and bleeding the system after installation. For a performance-oriented buyer focused on durable, better-than-original cooling, this part delivers a sensible upgrade when it matches vehicle fitment.
Best for: Performance-oriented buyers who prioritize improved durability and steady steering performance and who are comfortable confirming fitment and performing or supervising a direct replacement installation.
Less Ideal for: Buyers who want a universal or multi-vehicle cooler solution or who prefer professional-only installation without accessing lower body panels.
- Aluminum construction resists corrosion compared with older steel coolers
- Designed to match factory mounting points for a direct-replacement fit
- Machined exterior and quality materials aimed at reliable service life
- Compatible with standard power steering hose connections for straightforward replacement
- Requires confirming exact fitment before purchase because it targets specific vehicle models
- Installation may require removing or flexing the lower air dam and bleeding the steering system
Verdict A corrosion-resistant, factory-style replacement cooler that suits performance-minded owners when vehicle-specific fitment is verified.
4. PartsFlow Power Steering Oil Cooler (918-300)
| Material | Aluminum |
|---|---|
| Reference Number | 918-300, 15009093 |
| Vehicle Fitment | Compatible with select Chevrolet, GMC, Buick, Isuzu, Oldsmobile, Saab models |
| Manufacturer | PartsFlow |
This PartsFlow power steering oil cooler is a straightforward replacement-style cooler sold as a single aluminum unit. It installs in place of the original cooler on compatible vehicles and is intended to reduce power steering fluid temperature to protect the steering pump and lines during heavy use. The aluminum construction resists corrosion better than older steel coolers, and customer reports show consistent fitment where bolt locations match factory mounting points. Typical use is a simple swap when the factory cooler leaks or starts to rust, or as an inexpensive preventative upgrade on older vehicles. The cooler provides a cost-effective way to control fluid heat without modifying the steering system, but it is a vehicle-specific part so fit must be verified for the intended model. Also there is no integrated fan or complex plumbing included, and installation may require minor removal of surrounding components due to packaging and mounting location.
Best for: Budget-conscious buyers who want a low-cost, factory-style replacement cooler to address leaks or overheating concerns without unnecessary upgrades.
Less Ideal for: Buyers seeking a dedicated power steering cooler specifically for the Infiniti QX60 or those wanting an active or heavy-duty aftermarket cooling solution should look for parts made for that vehicle or higher-capacity units.
- Aluminum construction reduces corrosion risk compared with older steel coolers.
- Designed to match factory mounting points for straightforward bolt-in replacement.
- Helps lower steering fluid temperature to protect pump and hoses under load.
- Widely reported to fit and function on compatible GM SUVs and trucks.
- Not designed for Infiniti QX60 so compatibility with that vehicle is not provided.
- No fan or active cooling; performance depends on vehicle airflow and placement.
- Comes as a single cooler unit without hoses or extra mounting hardware in the package.
Verdict A cost-effective, corrosion-resistant replacement cooler for compatible GM vehicles, but not a fit-for-purpose or heavy-duty solution for the Infiniti QX60.
5. Edelmann Elite Power Steering Cooler 58040
| Brand | Edelmann |
|---|---|
| Model | 58040 |
| Manufacturer | Plews & Edelmann |
| Exterior | Painted |
This Edelmann Elite power steering cooler is a bolt-on-style heat exchanger intended to lower hydraulic fluid temperatures in a power steering system. It is used inline with steering hoses to dissipate excess heat that can accelerate wear on pumps, seals, hoses, and fluid. The cooler follows factory-quality specifications and uses furnace brazed construction for stronger joints and tighter tolerances than many aftermarket cores. In practice it provides improved thermal control for vehicles that see sustained steering loads, such as towing, heavy urban driving, or large-wheel setups. Installation typically involves mounting the cooler in front of airflow and routing existing power steering lines through included fittings or adapters. Limitations are that fitment and hose adapters must match the QX60 steering line configuration and plumbing, and additional mounting hardware or professional installation may be required for a perfect fit and leak-free connections. It is a straightforward protective upgrade for owners wanting to reduce steering-system wear but is not a performance mod that alters steering feel.
Best for: Risk-averse owners focused on protecting their Infiniti QX60 from premature steering-system wear and preferring a factory-quality replacement that emphasizes longevity over performance gains.
Less Ideal for: Drivers seeking a performance-oriented steering upgrade that changes steering response or those unwilling to arrange minor plumbing or professional installation.
- Engineered to factory-quality specifications for reliable fit and function
- Furnace brazed construction improves durability and leak resistance
- Designed to lower power steering fluid temperatures and extend component life
- Compact profile allows mounting in front airflow locations without major clearance changes
- May require vehicle-specific hose adapters or custom plumbing for Infiniti QX60 fitment
- Does not include QX60-specific mounting brackets or detailed vehicle installation instructions
Verdict A durable, factory-quality cooler that helps protect an Infiniti QX60 steering system from heat-related wear but may need vehicle-specific plumbing or mounting work for fitment.
6. Aumzong Power Steering Cooler (Replaces 15009093 / 918-300)
| Manufacturer | Aumzong |
|---|---|
| Manufacturer Part Number | 15009093 |
| Replacement Part Numbers | 15009093, 918-300, SKTOC049 |
| Compatible Models | Select 2002–2009 GM SUVs and trucks (listed fitments) |
This Aumzong power steering cooler is an aftermarket replacement built to the same mounting footprint as common factory coolers and sold as a cost-conscious repair part. It installs inline with the vehicle power steering lines to reduce fluid temperatures and prevent leaks from an aged or damaged factory cooler. The unit is advertised as tested before shipping and constructed with corrosion-resistant materials for routine road use. Buyers can expect a straightforward swap when hose end sizes and mounting points match, and many customers report easy installs and good fitment. Limitations appear in finish and tolerances compared with factory-quality parts so you may need new clamps or minor hose adjustments during installation. The product targets value-focused repairs rather than performance upgrades, and while it comes with a one-year seller warranty, longevity may vary depending on driving conditions and installation care.
Best for: Practical optimizers who prioritize getting a reliable, low-cost repair that restores function without overspending and who handle or arrange simple installation and minor adjustments.
Less Ideal for: Drivers seeking a factory-quality OEM replacement for long-term durability or those wanting a performance-oriented cooler should consider higher-end or dealer parts instead.
- Designed to match common factory mounting points for straightforward replacement
- Corrosion-resistant construction intended to lower power steering fluid temperatures
- Many buyers report correct fit and simple installation
- Sold with one-year seller warranty and pre-shipment inspection
- Aftermarket hose-end tolerances can differ from factory parts requiring new clamps or slight hose modifications
- Finish and assembly quality is not identical to factory-quality components
Verdict A cost-effective aftermarket cooler that restores steering-fluid cooling and fitment for value-minded repairs, but expect minor fitment fiddling compared with factory-quality parts.
7. Dorman Power Steering Cooler 918-301
| Material | Alloy Steel |
|---|---|
| Nominal Inside Diameter | 0.37 Inches |
| Nominal Outside Diameter | 0.65 Inches |
| Manufacturer Part Number | 918-301 |
This Dorman power steering cooler is a straightforward replacement designed to restore cooling and stop leaks where an original cooler has corroded or failed. It installs in the vehicle cooling area and connects to the power steering lines to dissipate heat and protect the steering pump and transmission. Notable features include machined alloy-steel construction and rubber hose ends intended to mirror factory fitment. In real-world use the cooler provides a cost-effective repair that many owners report fits without modification and resolves leaks. Installation can require removing front-end trim or headlights for access, and some buyers swapped the included hose clamps for higher-quality pinch clamps at the pump end to ensure a leak-free seal. A few users noted the supplied hoses or clamps may be less robust than OEM, so inspecting and upgrading clamps during installation reduces the chance of early failure. For routine replacement of a corroded cooler this part offers reliable function and familiar installation steps for a home mechanic or shop.
Best for: Balanced all-round buyers who want a dependable, factory-style replacement to address a corroded or leaking steering cooler and prefer a part that is commonly used in routine maintenance and repairs.
Less Ideal for: Buyers seeking a heavy-duty performance upgrade or a custom cooling solution should look for purpose-built aftermarket coolers rather than a direct factory-style replacement.
- Direct-replacement design intended to match original fit and function
- Alloy steel cooler body for durability and heat dissipation
- Many buyers report straightforward installation and reliable leak repair
- Backed by product engineering and fits commonly failed GM cooler locations
- Supplied hose clamps and hoses reported by some users to be lower quality than factory parts
- May require removal of front trim or headlight assemblies for access during installation
Verdict A practical, factory-style replacement cooler that fixes leaks and restores steering system cooling, though upgrading supplied clamps or hoses is recommended.
Choosing the Right Infiniti QX60 Power Steering Cooler: Key Factors to Consider
Cooling Capacity and Core Size
A cooler's core size and internal design determine how effectively it sheds heat. Larger core surface area and multi-pass flow paths increase heat transfer and lower fluid temperature more consistently during prolonged loads.
If you tow, drive in traffic, or operate in hot climates, prioritize a cooler with higher thermal capacity. Keep in mind that excessively large assemblies may complicate mounting, so balance required cooling performance with available space in the QX60's engine bay.
Fitment and Mounting Options
Proper fitment ensures the cooler mounts securely and receives adequate airflow. Look for units that offer vehicle-specific brackets or flexible mounting points that align with the QX60 firewall, frame, or radiator support.
Mounting location affects both cooling effectiveness and hose routing. A well-placed cooler avoids kinks in lines and minimizes exposure to road debris while still getting sufficient airflow for passive cooling.
Material Quality and Corrosion Resistance
Materials determine durability against road salts, moisture, and vibration. Aluminum cores and brass or plated fittings are common because they combine thermal conductivity with corrosion resistance.
Weld quality, brazing, and protective coatings also matter. Inferior materials can corrode or leak over time, so choose units with robust construction to reduce the chance of premature failure in everyday driving conditions.
Pressure Rating and Fluid Compatibility
Power steering systems operate under pressure, so the cooler and its fittings must tolerate expected system pressures and the chemical nature of the fluid. Check that hoses and fittings have ratings that exceed the QX60 system's operational pressures.
Compatibility with common power steering fluids and resistance to swelling or degradation will preserve sealing surfaces and hose integrity, decreasing leak risk and maintenance needs.
Hose and Fitting Quality
Hoses and fittings form the connection between the cooler and the steering system, and their quality affects both sealing and ease of installation. Look for reinforced hoses, crimped fittings, and correct thread types or adapters to match the QX60.
Poor fittings can loosen or leak under vibration and pressure. Higher-quality kits often include stainless or plated fittings and well-terminated hoses that resist abrasion and heat exposure.
Installation Complexity and Serviceability
Ease of installation affects how likely an owner or technician will route lines correctly and secure the cooler in a protected location. Kits that include clear brackets, hoses sized to fit, and straightforward instructions reduce installation time and error.
Consider future serviceability too. Coolers with accessible locations and standard fittings simplify fluid changes, inspections, or replacement without major disassembly.
FAQ
How do I know if the Infiniti QX60 needs a power steering cooler?
Signs include unusually warm or burning-smelling fluid, decreased steering responsiveness during extended driving, or repeated failure of seals and hoses. High-duty use such as towing or frequent low-speed driving increases heat load. Having a cooler is not always required, but it can help protect components if your driving conditions regularly stress the steering system.
Can I install a power steering cooler on the Infiniti QX60 myself?
Many coolers are designed for do-it-yourself installation, but difficulty varies with mounting location and hose routing. Basic mechanical skills, proper tools, and attention to fluid flushing and bleeding are important. If you are not comfortable working on hydraulic lines or lack space to mount the unit securely, professional installation is advisable.
Will adding a cooler change my power steering fluid maintenance schedule?
A cooler can reduce operating temperatures and may extend fluid life by slowing thermal breakdown. However, it does not eliminate the need for regular inspection and scheduled fluid changes. Continue to follow manufacturer service intervals and inspect hoses and fittings periodically for leaks or wear.
Where is the best place to mount a cooler in the Infiniti QX60?
An ideal location provides steady airflow and protects the unit from road debris, commonly near the radiator support or behind a lower grille opening. Avoid mounting where hoses must bend sharply or where the cooler will be impacted by debris. Choose a position that allows secure brackets and straightforward hose routing for reliable service.
Does a power steering cooler require a specific type of hose or fitting?
Yes, hoses and fittings should meet the steering system pressure and use compatible thread types and sealing methods. Reinforced hoses and crimped or threaded fittings rated for hydraulic use reduce the risk of leaks. When using a kit, confirm the included fittings match the QX60 system or plan to obtain proper adapters.
Will a cooler completely prevent power steering overheating problems?
A cooler significantly reduces fluid temperatures and lowers the chance of heat-related failures, but it is not a guaranteed cure. Underlying issues like a failing pump, clogged lines, or incorrect fluid type can still cause overheating. Use a cooler as one part of a broader maintenance approach addressing seals, hoses, and system health.
How We Chose the Best Infiniti QX60 Power Steering Cooler
We focused on components that directly reduce power steering fluid temperature and improve long-term system durability for the Infiniti QX60. Key evaluation criteria included cooling capacity under sustained loads, physical fitment and mounting options compatible with the vehicle, fluid flow characteristics and pressure rating, build materials and corrosion resistance, and the quality and compatibility of fittings and hoses. We also considered ease of installation where it affects reliability, and whether kits provided necessary hardware or required significant modification. Exclusions included products lacking clear pressure or flow specifications, units designed only for non-automotive hydraulic systems, and items without documented vehicle-specific fitment or adaptable mounting solutions. The result is a short list of durable, suitably rated coolers and kits that align with how the QX60 is commonly used.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an Infiniti QX60 power steering cooler, prioritize proven cooling capacity, secure fitment, and durable materials. Balancing core size with available mounting space and ensuring correct pressure-rated fittings will deliver the most reliable results. Remember that a cooler reduces thermal stress but does not replace good maintenance. Factor in installation complexity and serviceability so the solution you pick stays effective over time.
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