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If your Jeep Grand Cherokee runs demanding miles towing, off-road, or in stop-and-go traffic, a dedicated power steering cooler can keep steering fluid temperatures in check and extend the life of hoses, seals, and the pump. The right Jeep Grand Cherokee power steering cooler reduces the risk of overheating-related leaks and steering fade without changing steering feel or factory routing.This guide covers seven shortlisted cooling solutions that fit the Grand Cherokee and explains the criteria used to evaluate them: cooling capacity, plumbing compatibility, durability, and ease of install. Read on to compare practical tradeoffs and find the cooler best suited to your driving conditions.
Looking for other parts? See all Jeep Grand Cherokee parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Dorman Power Steering Cooler 918-340 for Select Dodge and Jeep Models |  |
| Best Quality Built to a higher standard if you want something more solid | Mopar Power Steering Cooler (68069651AC) |  |
| Best Value The sweet spot between price and what you get | Hayden Automotive 1012 Power Steering Oil Cooler |  |
| Best Budget The cheapest option that still gets the job done reliably | Sawyer Auto Power Steering Cooler for Jeep Grand Cherokee (1993–2007, 2009–2015) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Dorman Power Steering Cooler 918-306 |  |
| Most Popular A crowd favorite that many people choose with confidence | Hayden Power Steering Oil Cooler 1009 (9" length) |  |
| Best Seller A high-volume bestseller chosen again and again | Derale 13200 Power Steering Cooler Kit |  |
Dorman Power Steering Cooler 918-340 for Select Dodge and Jeep Models
| Compatible Devices | Dodge Durango (2011-2015), Jeep Grand Cherokee (2011-2015) |
|---|---|
| Material Type | Plastic |
| Contact Material | Brass Or Phosphor Bronze |
| Specification Met | RoHS, UL |
This Dorman power steering cooler is a factory-style replacement designed to restore cooling capacity and leak-free operation on specified Dodge Durango and Jeep Grand Cherokee models from 2011 to 2015. It installs where the original cooler sits and uses corrosion-resistant materials and factory-compatible fittings so it behaves much like the original part. Typical use is an in-service replacement when the stock cooler is damaged, leaking, or clogged; installers report accurate fit and straightforward swap-in installation. Notable features include brass or phosphor bronze contact points and a construction intended to resist corrosion for longer service life. The part is engineered to match OEM fit which minimizes modification or re-routing during installation. Limitations are that fitment is restricted to certain model years and trims so confirming vehicle compatibility is required, and the design is a like-for-like replacement rather than an upgraded high-capacity cooler for heavy towing or track use.
Best for: Buyers who want a dependable, factory-quality replacement that restores original cooling performance on specified Grand Cherokee and Durango model years without custom modifications.
Less Ideal for: Drivers seeking an upgraded or high-capacity cooler for heavy towing, racing, or vehicles outside the listed 2011–2015 fitment should look at performance-oriented alternatives.
- Direct-replacement design that matches original fit and mounting for easier installation
- Corrosion-resistant construction for reliable long-term service
- Uses factory-compatible fittings and contact materials for leak-free connections
- Backed by a product engineering team with vehicle-specific fitment guidance
- Only a like-for-like replacement and not a higher-capacity cooler for severe-duty use
Verdict: A reliable factory-style replacement cooler that restores original steering fluid cooling for 2011–2015 Grand Cherokee/Durango owners seeking a straightforward swap-in repair.
Mopar Power Steering Cooler (68069651AC)
| Manufacturer Part Number | 68069651AC |
|---|---|
| Exterior | Machined |
| Model | COOLER |
| Manufacturer | Mopar |
This Mopar power steering cooler is a factory replacement designed to reduce power steering fluid temperatures by adding extra cooling capacity to the system. It installs in-line with the vehicle's power steering hoses and is intended for applications where the factory cooling is marginal under sustained loads. As an OEM part, the cooler matches factory specifications for fit and material finish and simplifies installation for technicians using existing mounting points. The machined exterior suggests a durable construction that resists corrosion and road wear. Practical benefits include more stable steering performance during towing, off-road use, or spirited driving where fluid heat can cause foaming or reduced steering assistance. Limitations are that this is a specific Mopar part number intended for direct-fit replacement, so it does not advertise universal fittings or performance-optimized larger cores for extreme racing setups; buyers seeking maximum aftermarket cooling capacity may prefer purpose-built performance coolers instead.
Best for: Buyers who prioritize reliable, factory-spec upgrades to keep steering temperatures in check during heavy use such as towing, off-road driving, or spirited road driving.
Less Ideal for: Drivers seeking a high-capacity aftermarket cooler tuned for extreme track or competitive off-road use should consider dedicated performance units instead.
- Factory-quality design for straightforward direct-fit replacement
- Durable machined exterior that resists corrosion and road damage
- Helps lower power steering fluid temperatures to maintain consistent steering feel
- Simplifies installation by matching factory fit, form, and function
- Not marketed as a high-capacity performance cooler for extreme-duty or racing use
Verdict: Choose this Mopar cooler when you want a direct-fit, factory-quality solution to reduce steering fluid temperature during heavy-duty or performance-oriented driving.
Hayden Automotive 1012 Power Steering Oil Cooler
| Liquid Volume | 1.87 Liters |
|---|---|
| Upper Temperature Rating | 257 Degrees Fahrenheit |
| SAE J300 Viscosity Grade | 20W-50 |
| Item model number | 1012 |
The Hayden 1012 is a simple inline power steering cooler aimed at lowering fluid temperature on heavy-use vehicles. It installs in the low-pressure return line to the pump and uses a finned radiator core to shed heat; customers report straightforward installs with basic mounting brackets and inline filter setups. The cooler is fully factory tested and rated to handle elevated temperatures, so it is useful for towing, off-road driving, or repeated steering loads where fluid heat buildup shortens component life. Practical benefits include reduced steering fluid temperatures, potential longer life for pumps and hoses, and a compact footprint that fits into tight engine bays. Limitations are fitment variability and packaging protection; several users found it did not match their vehicle’s required dimensions or arrived with dented fins from loose packaging, so expect to verify hose sizes and plan a custom bracket or minor adjustments during installation. This is a functional add-on for drivers focused on prevention rather than performance gains in steering feel.
Best for: A practical buyer who wants to prevent premature power steering failures on a Jeep Grand Cherokee used for towing, trail driving, or heavy steering loads and is comfortable verifying fitment and doing light custom mounting.
Less Ideal for: Drivers who need a guaranteed direct-fit, bolt-on replacement or those unwilling to modify mounting or hose connections should consider a vehicle-specific cooler instead.
- Reduces power steering fluid temperature to help protect pump and hoses
- Compact finned core fits into crowded engine bays
- Factory tested for consistent basic performance
- Works with inline filter setups for cleaner return fluid
- Not a direct fit for every vehicle so may require custom mounting or hose adapters
- Packaging has been reported as insufficient, risking bent fins in transit
Verdict: Buy this if you want a compact, factory-tested cooler to lower steering fluid temperatures on a heavily used Grand Cherokee and are willing to verify fitment and do minor mounting work.
Sawyer Auto Power Steering Cooler for Jeep Grand Cherokee (1993–2007, 2009–2015)
| Manufacturer Part Number | PG-2601664 |
|---|---|
| Brand | Sawyer Auto |
| OEM Part Number | 13213, 14866, 241009, 53019, 77430 |
| Date First Available | April 13, 2025 |
This Sawyer Auto power steering cooler is a straightforward direct-fit replacement for many Jeep Grand Cherokee model years. It installs using the factory mounting points and matches the original inlet and outlet locations, so swapping it in during a leak or corrosion repair is typically quick and simple. Constructed with aluminum tubing and fins and delivered pressure-tested, it provides the same fluid-cooling function the steering system needs to maintain stable hydraulic temperatures under normal driving. For budget-focused buyers this cooler offers a practical way to restore system integrity without paying for an OEM unit. Expect the part to cover routine replacement scenarios like small leaks, bent fins, or corrosion; it is not an upgraded performance cooler for heavy towing or extreme off-road use. Installation may require basic hand tools and routine bleeding of the steering circuit after fitting.
Best for: Buyers replacing a failing or corroded power steering cooler who prioritize an affordable, factory-style replacement that installs with minimal modification.
Less Ideal for: Drivers seeking a high-capacity aftermarket cooler for heavy towing, racing, or severe off-road use should consider purpose-built performance coolers instead.
- Direct-fit design matches original inlet/outlet locations for easier installation
- Pressure-tested to help ensure leak-free operation out of the box
- Constructed from aluminum tubing and fins consistent with factory-style coolers
- Not designed as a high-capacity or performance cooler for heavy-duty towing or extreme off-road use
Verdict: A cost-conscious, direct-fit replacement that restores factory-style cooling and fitment for Jeep Grand Cherokee steering systems.
Dorman Power Steering Cooler 918-306
| Material Type | Aluminum |
|---|---|
| Item Type Name | Dorman – COOLERS |
| Unit Count | 1.0 Count |
This Dorman power steering cooler is a factory-style replacement designed to restore cooling performance for vehicles with a failed original cooler. It installs in the same location and is intended for use on specified Jeep Grand Cherokee and Commander model years, making it a straightforward swap for routine repairs. Constructed from aluminum with corrosion-resistant components and a black finish, the cooler offers durable heat dissipation and should withstand normal road conditions and typical exposure under the vehicle. The part is engineered to match fit and function, so installers will appreciate minimal trimming or modification during replacement. One limitation is that fitment is vehicle-specific, so buyers must confirm model year and trim before ordering; it does not cover vehicles outside the listed applications. For those prioritizing a reliable, manufacturer-backed replacement rather than an upgraded performance cooler, this part delivers a practical, long-lasting solution backed by Dorman engineering.
Best for: Buyers who need a dependable, factory-quality replacement cooler for routine repairs on covered Jeep Grand Cherokee or Commander model years and prioritize long-term reliability over aftermarket performance upgrades.
Less Ideal for: Drivers seeking an upgraded high-capacity cooler for heavy towing, off-road abuse, or broader multi-vehicle fitment should consider purpose-built performance coolers or universal options.
- Direct replacement engineered to match original fit and function for listed Jeep models
- Aluminum construction with corrosion-resistant components for durable heat dissipation
- Designed to require minimal modification at installation
- Backed by a team of product engineers based in the United States
- Compatibility is limited to specific Jeep model years and trims and requires verification before purchase
- Not designed as a high-performance upgrade for heavy towing or extreme-duty cooling needs
Verdict: Choose this Dorman cooler when you want a dependable, factory-quality direct replacement to restore proper power steering cooling on the specified Jeep models.
Hayden Power Steering Oil Cooler 1009 (9" length)
| Material | Aluminum |
|---|---|
| Overall Length | 9 Inches |
| Hose I.D. fit | 3/8 Inch Return Hose |
| Construction | Tube, Fin |
| Core Height | 2-1/2 Inch |
This compact Hayden power steering oil cooler is an inline tube-and-fin cooler that installs on the 3/8-inch return hose to reduce fluid temperatures and protect pump seals, hoses and fluid from heat breakdown. It is typically mounted to the condenser or radiator and comes with basic mounting hardware and hose clamps so you can route and secure the supplied hose without sourcing extra parts. In practice the cooler suits light to moderate duty use: owners report it cuts steering assist heat on sedans, older trucks and off-road vehicles, and it is easy to fit in tight spaces. The aluminum construction and finned core aid heat dissipation, but the small core means it is less effective than larger heavy-duty coolers under extreme, sustained loads. Some buyers found it very lightweight and better for replacing leaking OEM units or reducing overheating on occasional heavy use rather than as the sole solution for severe off-road or towing abuse. Fit depends on matching hose diameter and mounting location, so plan access before buying.
Best for: Jeep owners looking to eliminate a leaking or undersized factory power steering cooler or reduce occasional overheating who prioritize easy installation and proven user feedback.
Less Ideal for: Drivers who regularly tow heavy loads, run intense off-road circuits, or need maximum cooling should consider a larger heavy-duty cooler designed for sustained high heat rejection.
- Aluminum tube-and-fin construction for efficient heat dissipation
- Includes mounting hardware, hose and clamps for straightforward installation
- Compact size fits in tight locations behind the condenser or radiator
- Helps prolong pump, hose and seal life by lowering fluid temperatures
- Small core limits cooling capacity under very heavy or continuous loads
- Lightweight construction feels less rugged than larger aftermarket coolers
Verdict: A compact, easy-to-install aluminum cooler that provides reliable temperature relief and hardware for Jeep owners who want a straightforward upgrade or replacement for a leaking or undersized steering cooler.
Derale 13200 Power Steering Cooler Kit
| Inlet size | 11/32 inch hose barb |
|---|---|
| Tubing | 1/2 inch copper tubing |
| Special feature | Expanded copper tubing and aluminum cooling fins |
| Model | 13200 |
The Derale 13200 is a small, straightforward power steering cooler kit designed to lower fluid temperatures and help extend pump and seal life. It installs in-line with the steering hose using 11/32 inch hose barb inlets and a short length of included hose and mounting hardware. The cooler’s expanded copper tubing and aluminum fins provide effective heat dissipation for low to moderate duty cycles, and its compact size makes it easy to tuck behind a grille or on a radiator support. Customers frequently note the kit includes basic mounting parts and that the cooler is light and durable. The kit does have only about 4 feet of hose and the supplied hose can be tight on the barbs, so you may need extra hose or better clamps for a clean installation and longer runs on larger SUVs. For cautious buyers focused on reliability, this is a conservative, proven add-on to help prevent overheating of the steering system during towing or repeated low-speed maneuvers.
Best for: Jeep Grand Cherokee owners who prioritize preventing steering pump wear and overheating during towing or frequent low-speed work and want a simple, compact cooler that is easy to fit into the engine bay.
Less Ideal for: Drivers planning heavy-duty continuous towing or extreme off-road use who need a larger-capacity cooler engineered for sustained high thermal loads.
- Copper tubing with aluminum fins provides efficient heat transfer for reduced fluid temperature
- Compact footprint fits behind grille or on radiator supports for flexible mounting
- Includes basic hardware so you can install without sourcing many extra parts
- Lightweight construction minimizes added load on mounting points
- Supplied hose is short and can be difficult to push onto the barbs
- Mounting rods included are basic and may require custom brackets for off-road use
Verdict: A compact, proven cooler that reduces steering fluid temperature and helps protect the power steering system on a Jeep Grand Cherokee with an easy, low-risk installation.
Choosing the Right Jeep Grand Cherokee Power Steering Cooler: Key Factors to Consider
Cooling Capacity and Flow Characteristics
Effective cooling capacity determines how much heat the cooler can remove from steering fluid under typical Grand Cherokee duty cycles. Higher capacity cores lower fluid temperature more quickly during towing, high-speed driving, or long idling periods. However, an overly restrictive cooler can reduce system flow rate, increasing steering effort or stressing the pump.
Look for coolers with published flow rates or low-restriction designs that balance heat transfer area with minimal pressure drop. Consider the vehicle's common use cases: heavy towing and off-road work require more cooling margin than occasional city driving. That margin improves component life and reduces the chance of thermal degradation of seals and hoses.
Fitment and Connection Compatibility
Fitment matters because the Grand Cherokee has limited space in front of the radiator and around the bumper structure. A cooler that matches factory hose diameters or comes with a complete hose and adapter kit reduces installation time and the chance of leaks.
Check inlet and outlet sizes, thread types, and whether adapters are included for quick connection to existing lines. Consider how hoses will be routed to avoid chafing against the frame, steering components, or moving suspension parts. Properly matched connections also help maintain system pressure and avoid additional fittings that can create failure points.
Mounting Location and Clearance
Where you mount a cooler on the Grand Cherokee affects its performance and vulnerability to damage. Front-of-radiator or bumper-mounted locations get maximum airflow for cooling but are more exposed to road debris. Mounting behind the bumper offers protection but less airflow and reduced cooling efficiency.
Assess available mounting points, proximity to the radiator and AC condenser, and necessary brackets. Ensure the chosen cooler will not interfere with tow hooks, sensors, or fog lights. Clearance also matters for serviceability so the cooler and its fittings can be accessed for periodic inspection or hose replacement.
Materials, Construction, and Corrosion Resistance
Steering coolers endure road grime, moisture, and chemical exposure, so material choice affects lifespan. Aluminum cores combined with corrosion-resistant coatings provide a good balance of heat transfer and durability. Stainless fittings and quality brazing or welded joints reduce the chance of leaks.
Inspect whether the cooler uses press-fit or threaded connections and whether hoses attach via crimped or reusable clamps. Durable construction lowers maintenance needs and reduces the risk of failure during off-road use or winter salt exposure.
Installation Complexity and Required Tools
Some coolers are standalone cores that require custom hoses and brackets, while others arrive as a complete kit with hoses, fittings, and fasteners. Kits that include clear instructions, pre-bent hoses, and mounting hardware shorten install time and reduce the need for specialty tools.
Factor in whether you will do the work yourself or have it installed. DIY installs should avoid units that require welding, major bumper removal, or specialized flaring tools. Professional installs can handle more complex setups but add labor time and cost.
Serviceability and Maintenance Considerations
Power steering coolers are low-maintenance, but accessibility and the ability to replace fittings or hoses without removing the entire cooler are important. Units that use standard fittings and offer replacement parts make future repairs easier.
Also consider how easy it is to inspect the cooler for leaks or damage. Accessible mounting positions and straightforward hose routing reduce the time needed for routine checks and any eventual repairs, minimizing downtime for the Grand Cherokee.
Where To Mount a Power Steering Cooler on the Grand Cherokee
Common mounting positions for a power steering cooler on the Jeep Grand Cherokee include in front of the radiator or AC condenser, behind the bumper but ahead of the crash bar, or near the frame rail where airflow is adequate. Each location presents a tradeoff between airflow for cooling and protection from debris.
Mounting in front of the radiator offers the best airflow and maximum cooling efficiency, which is beneficial for towing and heavy-duty driving. If protection is a priority, a position behind the bumper or frame rail reduces exposure but requires a larger core or supplemental airflow to match cooling performance.
- Front-of-radiator: best cooling, more exposed to debris
- Behind bumper: more protected, less airflow
- Frame rail: protected and accessible for some installations
Hose Routing and Leak Prevention Tips
Proper hose routing prevents chafing, kinking, and unnecessary strain on fittings. Use factory routing paths where possible and secure new hoses with zip ties or clamps to keep them away from hot exhaust sections and moving suspension components.
When connecting hoses, use the correct clamps and ensure threads are sealed appropriately. If adapters are needed, choose reusable-quality fittings where possible to allow future servicing without cutting hoses.
- Avoid tight bends and sharp edges
- Secure hoses away from heat sources
- Use quality clamps and check for leaks after first drive
Signs Your Grand Cherokee Needs a Steering Cooler
Frequent steering fluid overheating symptoms include darkened fluid, soft or inconsistent steering feel during long stops, and occasional leaks at seals or hoses. If you use the vehicle for towing or aggressive off-road use, these signs can appear earlier due to higher fluid temperatures.
Another sign is repeated replacement of steering system seals or hoses. A cooler reduces thermal stress and can stop a cycle of premature component failure. Monitor fluid color and steering feel during demanding use to catch problems early.
- Dark or burnt-smelling steering fluid
- Sudden changes in steering effort after prolonged idling
- Repeated hose or seal failures
DIY Vs Professional Installation: What To Expect
A complete power steering cooler kit that includes hoses, fittings, and brackets can be a moderate-difficulty DIY project for mechanically inclined owners. Typical tasks include locating a mounting spot, routing hoses, tightening fittings, and bleeding the steering system to remove air.
If a job requires custom brackets, welding, or access behind complex bumper assemblies, professional installation is advisable. Professionals can also pressure-test the system and verify there are no leaks under load, which ensures safe operation after install.
- DIY installs: faster with a full kit, need basic tools and bleeding knowledge
- Professional installs: recommended for complex mounting or hard-to-access locations
- Always test for leaks and proper steering response after installation
Maintaining a Power Steering Cooler on the Grand Cherokee
Periodic inspection is simple: check for bent fins, corrosion, and hose integrity. Clean accumulated mud and debris from the core to maintain airflow. If you notice damage or persistent leaks, replace the affected component promptly to avoid further system damage.
Also inspect hose clamps and fittings after a few hundred miles post-install to ensure they remain tight. Maintaining clean fluid and using the correct fluid type for the Grand Cherokee will extend the life of both the cooler and the steering system.
- Inspect for leaks and bent fins regularly
- Keep core free of debris for optimal airflow
- Re-check fittings after initial drive and periodically thereafter
How We Chose the Best Jeep Grand Cherokee Power Steering Cooler
We prioritized items that address the common failure mode for the Jeep Grand Cherokee: elevated steering fluid temperatures under load. Our selection framework emphasized four to six concrete criteria that matter for real-world use on this vehicle.Cooling capacity and flow compatibility: We focused on coolers sized and rated to lower fluid temperature effectively without causing excessive pressure drop that could harm steering system performance.Fitment and hose connection options: We favored coolers and kits that match common Grand Cherokee hose diameters or include adapters and mounting hardware to simplify installation while preserving factory routing.Materials and corrosion resistance: Units with aluminum cores, protective coatings, and robust end fittings were prioritized for longevity in wet and salty road conditions.Mounting and clearance: We looked for designs that fit in common Grand Cherokee mounting locations without interfering with radiator, intercooler, or bumper components.Build quality and serviceability: Coolers with replaceable fittings, accessible mounting points, and clear instructions scored higher.Exclusions: We excluded any unit lacking clear fitment guidance for the Grand Cherokee, parts that require significant custom fabrication to install, and products advertised without stated flow or cooling specs. The final list reflects a balance of cooling performance, durability, and practical installability specific to the Jeep Grand Cherokee.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my Grand Cherokee's steering fluid is overheating?
Overheating fluid often looks darker and may smell burnt. You might notice softer steering feel or intermittent changes in effort after prolonged idling or heavy towing. Regular inspections and fluid checks under load can confirm if temperatures are excessive.
Can I install a power steering cooler myself on a Grand Cherokee?
You can if the kit includes hoses, fittings, and clear instructions and you have basic mechanical skills. Expect to route hoses, secure a bracket, and bleed the steering system. If the install requires custom fabrication or hard-to-reach mounting, professional help is recommended.
Will adding a cooler change steering feel on my Grand Cherokee?
A properly sized cooler with low flow restriction should not noticeably change steering feel. If a cooler is overly restrictive or improperly plumbed, it can increase steering effort or create inconsistent response. Choosing a unit designed for hydraulic systems and correct flow helps avoid this.
How often should I check the cooler after installation?
Inspect fittings, hoses, and the core after the first few hundred miles and then as part of routine maintenance every few thousand miles or after off-road outings. Early checks help catch leaks or mounting issues before they cause system damage.
Does a cooler require special steering fluid?
No special fluid is needed solely because of a cooler. Use the steering fluid specified for the Jeep Grand Cherokee. Keeping fluid clean and at the correct level is more important than switching fluid types when adding a cooler.
Final Verdict
Choosing the right power steering cooler for your Jeep Grand Cherokee means balancing cooling performance, fitment, and durability for the driving you do most. Prioritize a cooler with adequate heat rejection and low restriction, solid mounting options that fit available space, and corrosion-resistant construction for long-term reliability.If you tow frequently or drive in conditions that stress the steering system, err on the side of greater cooling capacity and easier access for maintenance. For light-duty drivers, a compact, well-built unit with straightforward hose connections will provide the protection needed without complex installation.
Explore More:
- Check out all Jeep Grand Cherokee parts & accessories
- Explore Power Steering Coolers Maintenance & Repair Guides
- Explore Cooling System
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