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 Ram 1500 for towing, hauling, or frequent off-road use, controlling power steering fluid temperature can prevent premature wear and steering issues. Choosing the right Ram 1500 power steering cooler helps reduce heat stress on the pump and hoses, which can extend component life and maintain consistent steering feel under load. This guide covers seven shortlisted power steering coolers chosen for their cooling capacity, build quality, and installation practicality. Read on to see the selection criteria we used and which features matter most when fitting a cooler to your truck.
Looking for other parts? See all Ram 1500 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 | PartsFlow Power Steering Oil Cooler 918-300 |  |
| Best Quality Built to a higher standard if you want something more solid | Dorman Power Steering Cooler 918-300 |  |
| Best Budget The cheapest option that still gets the job done reliably | Derale 2‑Pass Power Steering Cooler Kit (13213) |  |
| Most Sold A high-volume bestseller chosen again and again | Edelmann Elite 58040 Power Steering Cooler |  |
| Best Value for Money The sweet spot between price and what you get | Aumzong Power Steering Cooler (15009093) |  |
| Best Overall The best all-around choice for most situations | Dorman Power Steering Cooler 918-308 for Select Dodge/Ram Models |  |
1. A-Premium Power Steering Oil Cooler (replacement)
| Material | Aluminum |
|---|---|
| Manufacturer Part Number | APOC133 |
| OEM Part Number | 918300, SKTOC049, 15009093, 918-300 |
This aluminum power steering oil cooler is a direct-replacement style cooler intended to keep power steering fluid temperatures down and stop leaks where the factory cooler has failed. It is typically used as a plug-in replacement during a steering system repair or when adding an auxiliary cooler to reduce fluid heat under towing or heavy use. The unit’s aluminum construction and long tube layout provide good thermal transfer and many buyers report a straightforward fit and easy installation. The cooler ships with protective caps on the hose ends and carries reference numbers to match factory part listings, which helps with verification. Limitations include that the part is sized and routed for specific GM platforms and may require verifying inlet/outlet orientation for fit, and the listing notes it does not include gaskets or seals so you may need replacement fittings. The seller offers a one-year unlimited-mileage guarantee but long-term durability versus a factory-quality steel unit is an open question for very high-mileage or severe-duty Ram use.
Best for: A reliability-focused buyer who prioritizes keeping steering fluid temperatures down during heavy use or towing and wants a straightforward replacement part to limit recurring steering system failures.
Less Ideal for: Not ideal for owners seeking a Ram-specific factory-style steel cooler or those who prefer a complete kit that includes seals and hardware for immediate installation.
- Aluminum construction for improved heat dissipation compared with passive tubing
- Direct-fit reference numbers make compatibility checks easier
- Many users report easy installation and good fitment
- Protective caps on hose ends reduce fluid loss during handling
- Does not include gaskets or seals needed for some installations
- Designed for GM-derived routing so fitment must be confirmed for Ram 1500 plumbing
Verdict A practical aluminum replacement cooler that improves fluid cooling and fits like a direct swap when plumbing matches, but verify Ram 1500 hose routing and buy seals separately.
2. PartsFlow Power Steering Oil Cooler 918-300
| Material | Aluminum |
|---|---|
| Reference Number | 918-300, 15009093 |
This PartsFlow power steering oil cooler is an aluminum replacement intended to regulate power steering fluid temperature and protect the steering system from heat-related wear. It installs in place of the factory cooler and is used while towing or during extended highway driving to reduce fluid breakdown and steering fade. The aluminum construction resists corrosion better than original steel units so it should last longer in wet or salty conditions. Buyers will appreciate the bolt-on fit reported by other owners and the part arrives ready to install with no modification required for compatible vehicles. Limitations to note are that the listing specifies vehicle fitment for GM and related models rather than the Ram 1500, so compatibility must be verified before purchase, and there is no hardware or hose kit included in the package notes. If your application matches the cooler reference numbers, it offers a straightforward way to lower fluid temperatures and extend component life, but confirm routing and mounting on your vehicle before ordering.
Best for: Convenience-driven buyers who prioritize an easy, bolt-on replacement that reduces steering fluid temperatures and minimizes future maintenance effort.
Less Ideal for: Owners who need guaranteed fitment for a Ram 1500 without verification or who require an all-in-one kit including hoses and fittings should look elsewhere.
- Aluminum construction offers improved corrosion resistance compared with older steel coolers
- Designed as a bolt-on replacement with reported straightforward fitment
- Helps reduce power steering fluid temperature to protect seals and pump during heavy use
- Common reference numbers provided to aid cross-referencing with factory parts
- Product listing identifies fitment for GM-family vehicles, not explicitly for Ram 1500
- Package does not list hoses or mounting hardware included
Verdict A durable aluminum replacement cooler that lowers steering fluid temperature and simplifies service when it matches your vehicle's reference numbers, but verify Ram 1500 fitment and mounting needs first.
3. Dorman Power Steering Cooler 918-300
| Material | Aluminum |
|---|---|
| Manufacturer | Dorman Products |
| Model | 918-300 |
| Exterior | Machined |
This Dorman power steering cooler replaces a worn or corroded factory cooler with a machined aluminum unit intended to match original fit and function. It is typically used where the factory cooler has begun leaking or rusting and needs a durable replacement that resists corrosion better than mild steel. The product’s aluminum construction and machined exterior suggest improved longevity in salted or wet conditions, and several user reports confirm straightforward bolt-in installation when access to the lower air dam or bumper area is managed correctly. In practice you will remove lower trim or loosen bumper fasteners, swap the hoses, bolt the cooler in place, refill the reservoir and bleed air from the system. Limitations: fitment is for the listed vehicle applications and trim must be confirmed before purchase, and some installers note alignment can require loosening one side during final tightening to seat the mount holes. This is a solid, higher-quality replacement for owners who want a longer-lasting cooler than the original mild steel unit.
Best for: Performance-oriented DIY owners who prioritize durable, corrosion-resistant replacements to maintain steering response and reliability under heavier use.
Less Ideal for: Drivers who need a cooler specifically listed for Ram 1500 models or who prefer an application explicitly specified for their exact vehicle fitment should look for parts made for that truck.
- Aluminum construction resists corrosion compared with mild steel originals
- Designed as a direct replacement to match factory fit and function for listed vehicles
- Machined exterior and quality manufacturing aimed at reliable service life
- Multiple user reports of straightforward installation with common tools
- Compatibility limited to the specific vehicle applications listed by the manufacturer
- May require trimming or loosening surrounding trim or bumper fasteners for access during installation
Verdict A durable aluminum direct-replacement cooler that upgrades corrosion resistance and longevity, but only for the vehicle applications the part is specified to fit.
4. Derale 2‑Pass Power Steering Cooler Kit (13213)
| Model | 2-Pass Power Steering Cooler |
|---|---|
| Manufacturer | Derale |
| Inlet size | 11/32 inch hose barb |
| Tubing | 1/2 inch copper tubing expanded into aluminum fins |
The Derale 2‑Pass Power Steering Cooler Kit is a compact external cooler intended to lower power steering fluid temperatures and reduce heat‑related wear on the pump and seals. It installs inline with existing power steering hoses using 11/32 inch hose barb fittings and mounts in front of the radiator or intercooler where it can get direct airflow. The cooler uses 1/2 inch copper tubing expanded into aluminum fins for a modest heat‑dissipation surface in a small package, so it is easy to tuck into tight spaces on a Ram 1500 and offers straightforward, DIY‑friendly installation for a budget project. Practical benefits include lower fluid temperatures under towing or heavy steering loads and a low weight that minimizes mounting challenges. Limitations are its small size and single two‑pass design, which provide less cooling capacity than larger multi‑row coolers, so it may not be sufficient for heavy, continuous towing with an older steering system that already runs hot.
Best for: Practical, budget‑conscious Ram 1500 owners who want an inexpensive, easy DIY way to reduce power steering fluid temperatures for occasional towing or spirited driving.
Less Ideal for: Owners who do heavy, sustained towing, frequent off‑road use, or who need maximum cooling should choose a larger multi‑row cooler with higher capacity.
- Compact two‑pass design fits tight mounting locations on the front of the Ram 1500.
- Copper tubing bonded to aluminum fins offers effective heat transfer for a small cooler.
- Lightweight kit is easy to handle and mount with basic tools.
- Uses common hose barb inlets so standard power steering hose and clamps can be used.
- Small core area limits cooling capacity compared with larger multi‑row coolers.
- Hose barb fittings may require replacing or adapting Ram 1500 factory hoses for a secure fit.
Verdict A low‑cost, compact cooler that is a practical upgrade for Ram 1500 owners wanting modest temperature reduction without the complexity or cost of larger coolers.
5. Edelmann Elite 58040 Power Steering Cooler
| Brand | Edelmann |
|---|---|
| Model | 58040 |
| Exterior | Painted |
The Edelmann Elite 58040 is a bolt-in style power steering cooler made to lower hydraulic temperatures and extend the life of power steering pumps, hoses, fluid, and seals. It is typically installed in the cooler airflow path ahead of the radiator or in front of the condenser so system fluid passes through the cooler during normal driving. The unit is built to factory-quality specifications with high-temperature furnace brazing and painted exterior protection. For everyday drivers and light-duty towing it helps prevent premature pump failure and fluid breakdown by dissipating excess heat produced under strain. Installation is straightforward for a basic retrofit but may require routing lines and secure mounting in the front-end area. The cooler is not a performance unit for extreme heavy-duty or race applications, so drivers expecting aggressive duty cycles should consider larger capacity aftermarket options.
Best for: Risk-averse mainstream buyers who prioritize preserving factory steering components and reducing the chance of heat-related failures on daily-driven or light-towing Ram 1500s.
Less Ideal for: Owners who regularly run severe-duty loads, heavy towing, or off-road racing and need a high-capacity cooling solution should choose a larger heavy-duty cooler instead.
- Designed to lower power steering temperatures to protect pumps and seals
- Manufactured to match factory-quality specifications and tolerances
- High-temperature furnace brazing for improved durability
- Painted exterior for corrosion resistance during road use
- Not intended for extreme heavy-duty or motorsport cooling demands
Verdict A factory-style cooler that helps prolong steering component life on typical Ram 1500 use but is not meant for extreme-duty cooling needs.
6. Aumzong Power Steering Cooler (15009093)
| Manufacturer Part Number | 15009093 |
|---|---|
| Replacement Part Number | 918-300, SKTOC049 |
| Compatibility Note | Fits specified GM SUVs and trucks listed by the maker |
| Inspection | 100% inspected before leaving factory |
This power steering cooler is a bolt-in replacement intended to lower fluid temperatures and help prevent seal failure and foaming in power steering systems. It is typically used in vehicles that run heavy steering loads or tow frequently to keep fluid operating temperatures down. The unit is advertised as factory-standard fitment for specific GM models and is built from corrosion-resistant materials with a claimed 100 percent inspection before shipping. In real-world use the cooler provides straightforward installation and reviewers report consistent fit and improved leak-free operation when replacing a failed or leaking cooler. Limitations include occasional variance in male fitting diameters compared with factory parts, which can require new hose clamps or slight adapter work, and the part is offered from an aftermarket brand rather than a factory supplier. If you need an inexpensive, serviceable cooler to reduce steering-fluid temperatures and stop leaks, this is a practical option; buyers seeking an exact factory identical component or guaranteed perfect hose fit may prefer alternative sources.
Best for: Practical optimizers who prioritize getting a functional, lower-cost replacement that extends component life and reduces maintenance bills through sensible upgrades and repairs.
Less Ideal for: Buyers who need a factory-identical cooler with guaranteed original-fit hose connections or those unwilling to make minor hose or clamp adjustments during installation.
- Direct-replacement design for listed GM applications, enabling straightforward swap during service
- Constructed to resist corrosion and reduce steering-fluid temperatures under load
- Generally reliable fit according to multiple user reports, with many saying installation is easy
- Cost-effective alternative to dealership parts, offering similar function at a lower price
- Aftermarket male fittings may be slightly smaller than factory, sometimes requiring new clamps or minor hose work
- Not a brand-new factory supplier part so finish and tolerances can vary between units
Verdict A budget-friendly, practical replacement cooler that reduces steering-fluid heat and stops leaks, but may need small hose or clamp adjustments for perfect fit.
7. Dorman Power Steering Cooler 918-308 for Select Dodge/Ram Models
| Material | Aluminum |
|---|---|
| Nominal Wall Thickness | 0.125 inches |
| Manufacturer Part Number | 918-308 |
| Compatible Vehicles | Select Dodge/Ram models (see fitment list) |
This Dorman power steering cooler replaces the original cooler on compatible Dodge and Ram trucks and is intended to restore cooling performance and stop leaks. It installs in the same location as the factory unit and is commonly used when the stock cooler corrodes or develops leaks. Constructed from aluminum with a machined exterior and corrosion-resistant finish, the cooler uses multiple micro-channel tubes rather than a simple U-bend design, which improves heat transfer in everyday driving and towing. Buyers report straightforward bolt-and-clamp installation with minimal fluid loss if lines are pinched during swap. The part is engineered to match fit and function for the listed model years, but it does not include attachment hardware such as new bolts, so you may need to source fasteners if old ones are corroded. A few users noted increased back pressure in rare cases, so check line condition and routing after installation to avoid stress on hoses.
Best for: Balanced buyers who want a reliable, factory-style replacement for a failing power steering cooler on a Ram 1500 and prioritize a solid mix of durability, fit, and straightforward installation.
Less Ideal for: Drivers seeking a high-performance aftermarket cooler for heavy continuous towing or those who need a universal cooler for multiple vehicle types should consider purpose-built options instead.
- Direct replacement designed to match factory fit and function for specified Dodge/Ram model years
- Aluminum construction and machined exterior resist corrosion and improve durability
- Micro-channel tube design improves heat dissipation compared with simpler OEM tube-and-fin layouts
- Simple installation reported by many users—typically two bolts and two hose clamps
- Does not include replacement attachment bolts or hardware
- A small number of users reported increased back pressure on certain systems
Verdict A durable, factory-style aluminum replacement that restores cooling and fit for specified Ram trucks, but plan to supply your own mounting hardware.
Choosing the Right Ram 1500 Power Steering Cooler: Key Factors to Consider
Cooling Capacity
Cooling capacity determines how effectively a cooler reduces fluid temperature during sustained heavy use. Larger heat-exchange surface area and multiple cooling rows typically remove more heat, which helps prevent thermal breakdown of the steering fluid and limits stress on the pump.
When evaluating capacity, consider the type of driving you do. Frequent towing, steep grades, or slow-speed maneuvering generate more heat than casual street driving. A higher-capacity cooler provides a larger safety margin under these conditions, but it may be bulkier and require more careful mounting to avoid damage.
Materials and Construction
Durable materials like aluminum cores and corrosion-resistant fittings help a cooler withstand road debris, moisture, and long-term exposure. Construction quality affects both longevity and thermal performance because bent fins, weak brazing, or poor welds reduce heat transfer efficiency.
Also inspect brazed joints and protective coatings where applicable. A well-built cooler minimizes the chance of leaks and withstands vibration from daily truck use. Longevity matters because replacing a failed cooler incurs downtime and additional labor.
Mounting and Fitment
Mounting options and fitment determine how easily the cooler installs on a Ram 1500 and whether it sits in a position with good airflow. Preformed brackets, universal mounting kits, or vehicle-specific hardware reduce installation time and help ensure the cooler is protected from road hazards.
Poorly planned mounts can expose the cooler to impacts or restrict airflow. Confirm available clearance around the bumper, grille, and frame, and choose a mounting location that receives steady airflow without interfering with other components.
Hose and Fitting Quality
High-quality hoses and fittings reduce leak risk and maintain system pressure. Look for reinforced hoses rated for hydraulic fluid temperatures and pressures common to power steering systems, and fittings that match factory thread types or provide reliable adapters.
Low-grade hoses can swell or degrade over time, which compromises cooling and can lead to contamination. Properly sized fittings and secure clamps or crimp connections also simplify installation and ongoing maintenance.
Installation Complexity
Installation complexity affects how quickly you can fit a cooler and whether professional help is needed. Some kits are bolt-on with clear instructions and all necessary hardware, while others require custom routing, cutting, or adapter fittings.
Evaluate the tools required, the time estimate, and whether bleeding the steering system is straightforward. Simpler installs reduce the chance of installation errors and lower total ownership effort, especially if you plan to install the cooler yourself.
Maintenance and Serviceability
Consider how easy it is to inspect, clean, or replace the cooler and its hoses when needed. Accessible mounting locations and standard fittings make routine checks and repairs faster, while proprietary or hard-to-reach layouts increase downtime.
Also think about how the cooler will be cleaned of debris and whether replacement parts like hoses or brackets are commonly available. Easier serviceability reduces long-term ownership costs and helps keep the steering system reliable.
FAQ
Do I need a power steering cooler for my Ram 1500?
A cooler is often beneficial if you tow frequently, drive in hot climates, or perform heavy-duty tasks that keep the steering system under load. It helps reduce fluid temperature and can prolong pump and hose life. For mostly light, everyday driving the factory system may be sufficient.
Where should a power steering cooler be mounted on a Ram 1500?
Mount the cooler where it receives steady airflow while being protected from direct road impact. Common locations include in front of the radiator or behind the grille area with a secure bracket. Ensure there is enough clearance from other components and that mounting does not restrict necessary airflow to other coolers.
Can I install a power steering cooler myself?
Many kits are designed for owner installation and include brackets, hoses, and fittings. Basic mechanical skills and tools are usually sufficient, and the job typically requires routing hose lines and bleeding the system afterward. If a kit requires cutting frame sections or complex adaptors, professional installation may be safer.
How do I know if my power steering is overheating?
Signs of overheating include unusually hot steering fluid, a whining pump noise, decreased steering responsiveness, or a burning smell near the engine bay. These symptoms often appear under sustained heavy use. Addressing elevated temperatures early can prevent component damage.
Will a cooler prevent all steering system failures?
A cooler reduces thermal stress and lowers the risk of heat-related failures, but it does not address mechanical wear or contaminated fluid. Regular inspection, fluid maintenance, and addressing leaks are still important. A cooler is one part of a broader strategy to preserve steering system health.
How We Chose the Best Ram 1500 Power Steering Cooler
We prioritized products that address the specific thermal demands of heavy-duty use in a Ram 1500. Key evaluation criteria included cooling capacity under sustained load, material and construction quality for corrosion resistance, compatibility with the Ram 1500 hydraulic routing, ease and clarity of installation, and the availability of mounting hardware or adapter kits for a clean fit. We also considered hose and fitting quality since durable connections reduce leak risk and maintenance. Units that required extensive modifications or did not provide clear fitment guidance for the Ram 1500 were excluded. Our approach filtered out coolers intended only for light-duty passenger cars or those lacking adequate heat-exchange surface area. The resulting shortlist favors solutions that balance thermal performance, durability, and realistic installability for this truck platform.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right Ram 1500 power steering cooler means balancing cooling performance, durable construction, and a mounting solution that fits your truck without major modification. Prioritize heat-exchange capacity and quality hoses if you tow or use the truck for heavy work, and favor simpler installs if you want to avoid professional help. Keep in mind tradeoffs between size and airflow accessibility. A properly selected and installed cooler can reduce overheating risk and extend component life, but routine inspection and proper fluid maintenance remain essential.
Explore More:
- Check out all Ram 1500 parts & accessories
- Explore Cooling System
- Browse all Auto Parts
