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If you tow, carry heavy loads, or drive in hot climates, the stock cooling capacity in a 2011-2019 Ford Explorer can be stretched. Choosing the right transmission cooler reduces operating temperatures, lowers wear on the torque converter and clutch packs, and helps keep shifting consistent under load. This guide shortlists seven top-rated transmission coolers chosen for their ability to improve heat rejection, fit the Explorer's cooling layout, and offer straightforward installation.Below you'll find our top picks and a clear explanation of the criteria we used to evaluate them, including cooling performance, compatibility with Explorer transmission plumbing, durability, and installation effort. Use these factors to pick the cooler that best matches how you use your Explorer.
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Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Marketplace Auto Parts A/C Condenser with Transmission Oil Cooler for 2013–2017 Ford Explorer |  |
| Best Quality Built to a higher standard if you want something more solid | EVIL ENERGY 5/16" Transmission Oil Cooler Kit, 6-Pass Tube-and-Fin |  |
| Best Value The sweet spot between price and what you get | Hayden 677 Rapid-Cool Transmission Oil Cooler (Universal, Plate-and-Fin) |  |
| Best Budget The cheapest option that still gets the job done reliably | ACmango 6-Pass Tube-and-Fin Universal Transmission Cooler Kit |  |
| Most Popular A crowd favorite that many people choose with confidence | Hayden Automotive 516 High Performance Transmission Cooler |  |
| Best Seller A high-volume bestseller chosen again and again | KOROP LPD47391 40K Low Pressure Drop Transmission Oil Cooler Kit |  |
1. Marketplace Auto Parts A/C Condenser with Transmission Oil Cooler for 2013–2017 Ford Explorer
| Compatible vehicles | 2013-2017 Ford Explorer Sport |
|---|---|
| Engine fit | 3.5L turbo V6 |
| Includes | A/C condenser with transmission oil cooler |
| Transmission fit | Automatic or Manual |
This combined A/C condenser and transmission oil cooler replaces the factory unit on 2013–2017 Ford Explorer Sport vehicles with the 3.5L turbo V6. It installs in the front core support and performs two functions at once: condensing refrigerant for the air conditioning system and cooling automatic transmission fluid via the integrated oil cooler lines. That integration saves space and keeps plumbing similar to the factory layout so installation is straightforward for an experienced DIYer or shop. The product is presented as a premium new replacement and should restore A/C performance while adding the necessary transmission cooling capacity for street driving and light towing. Important limitations are that fitment is listed specifically for Explorer Sport models and the listing provides little manufacturer detail beyond part numbers, so buyers who need full OEM interchange verification or heavy-duty towing capacity should confirm compatibility and cooling requirements before purchase.
Best for: Buyers seeking a direct replacement that restores both A/C and transmission cooling on a 2013–2017 Explorer Sport while prioritizing a straightforward, factory-style swap.
Less Ideal for: Drivers who need confirmed heavy-duty cooling for sustained towing or who require full OEM interchange documentation should consider purpose-built heavy-duty coolers or verify fitment with a parts specialist.
- Integrates A/C condenser and transmission oil cooler into a single unit for compact, factory-like replacement
- Designed to fit 2013–2017 Ford Explorer Sport 3.5L turbo V6 including police models
- Matches factory mounting points and plumbing layout to simplify installation
- Sold as a new premium replacement part intended to restore system function
- Limited product detail and manufacturer specifications provided in the listing
Verdict: A direct OEM-style replacement that restores both A/C and transmission cooling for 2013–2017 Explorer Sport owners wanting a compact, factory-like swap.
2. EVIL ENERGY 5/16" Transmission Oil Cooler Kit, 6-Pass Tube-and-Fin
| Core type | 6-pass tube-and-fin |
|---|---|
| Line size | 5/16" ID compatibility |
| Cooler material | Aluminum |
| Hose material | CPE |
| Hose working pressure | 145 PSI |
This EVIL ENERGY kit uses a 6-pass tube-and-fin aluminum cooler to pull heat out of automatic transmission fluid and reduce operating temperatures when mounted where it gets steady airflow. The kit includes CPE hoses rated for high burst pressure and fittings sized for 5/16" ID lines, and the lightweight machined cooler is designed to be tucked into a grille or ahead of the radiator. For a 2011–2019 Ford Explorer, fitting is straightforward if you have room in the front core support and standard 5/16" lines; installation instructions and mounting points are provided so a competent DIYer can complete the job with basic hand tools. The tube-and-fin core gives good convective cooling in traffic and on highway pulls, improving transmission heat management during towing or spirited driving. Limitations are that the kit is universal rather than vehicle-specific, so you may need to adapt brackets or routing for tight engine bays, and it does not include vehicle-specific adapters or a thermostat-controlled bypass for cold-weather circulation.
Best for: Drivers who push a 2011–2019 Ford Explorer with towing or high-load driving in mind and want an affordable aftermarket cooler to reduce transmission temperatures and extend transmission life.
Less Ideal for: Owners seeking a direct-fit, vehicle-specific cooler with preformed brackets and adapters or an integrated thermostat should consider model-specific kits instead.
- 6-pass tube-and-fin core for improved ATF cooling compared with single-pass cores
- Aluminum construction offers good heat transfer and corrosion resistance
- Includes CPE hoses rated to high burst pressure and wide temperature range
- Compact, machined design that can be mounted in common grille or radiator-adjacent locations
- Universal kit requires bracket or routing adaptation for tight engine bays and may need additional fittings for perfect fit
Verdict: A compact, affordable 6-pass aluminum cooler that gives Explorers better transmission temperature control for towing and performance driving when you can accommodate a universal mount.
3. Hayden 677 Rapid-Cool Transmission Oil Cooler (Universal, Plate-and-Fin)
| Core type | Plate-and-fin |
|---|---|
| Fitting size | 3/8" push-on fittings |
| Rated GVW | Up to 14,000 GVW |
| Towing support | Up to 2,500 lbs |
| Includes | Mounting hardware, hose, clamps |
The Hayden 677 Rapid-Cool is a compact plate-and-fin transmission cooler built to lower transmission fluid temperatures in universal installations. It uses a patented internal turbulation pattern to increase heat transfer while keeping pressure drop low, and the included hose, clamps, and mounting hardware make it ready for a straightforward retrofit. Typical use is as an auxiliary cooler added to vehicles that see towing or heavy loads; the listing notes suitability for vehicles up to 14,000 GVW and towing up to 2,500 pounds, so it can help an Explorer that tows or works in hot conditions. The 3/8" push-on fittings and small footprint ease mounting in tight radiator areas, but the universal design means you must confirm fit and hose routing before buying. Because it is a universal cooler rather than a vehicle-specific kit, expect to do some trimming or custom mounting for a clean installation on a 2011–2019 Ford Explorer.
Best for: Buyers who want a compact, efficient auxiliary cooler to lower transmission temperatures on Explorers that tow or work in hot conditions and who are willing to do basic installation and routing work.
Less Ideal for: Drivers seeking a plug-and-play, vehicle-specific bolt-on kit with exact-fit brackets and fittings should consider model-specific coolers instead.
- Plate-and-fin core with internal turbulation for improved heat transfer
- Compact footprint fits tighter spaces behind the bumper or near the radiator
- Includes hose, clamps, and mounting hardware for a mostly complete install
- 3/8" push-on fittings simplify connection to existing transmission lines
- Universal fit requires measuring and possible custom mounting or hose adaptation
Verdict: A compact, efficient universal auxiliary cooler that lowers transmission oil temps for Explorers used in towing or heavy-duty conditions when you can handle a basic custom installation.
4. ACmango 6-Pass Tube-and-Fin Universal Transmission Cooler Kit
| Core type | 6-pass tube-and-fin |
|---|---|
| Compatible line I.D. | 5/16" |
| Material | T-6061 aluminum |
| Hose working pressure | 145 psi |
This ACmango 6-pass transmission cooler is a budget-friendly universal kit for lowering transmission temperatures on vehicles that accept 5/16" cooler lines. The tube-and-fin, 6-pass design increases surface area and uses internal turbulators to promote heat transfer, which can reduce oil temps by as much as 50°F in demanding driving. The kit includes hose, clamps, mounting hardware, foam pads, and an adapter to simplify installation behind the radiator or in front of an intercooler. Constructed from T-6061 aluminum and pressure tested, it is lightweight and corrosion resistant compared with steel alternatives. Expect noticeable temperature drops during towing, steep grades, or spirited driving, but installation requires measuring available space and routing lines carefully since the kit is universal rather than vehicle-specific. Buyers should also allow time for secure mounting and check clearance with factory components. For a low-cost cooling upgrade this delivers solid performance, but it is not a direct-fit Explorer cooler and may need extra brackets or fittings for a clean installation on the 2011–2019 Ford Explorer.
Best for: Buyers looking for an affordable transmission cooling upgrade to lower operating temperatures during towing or heavy driving who are comfortable with a universal kit and minor installation work.
Less Ideal for: Those who want a direct-fit, vehicle-specific replacement with factory-style mounting and plug-and-play installation should look for a model made specifically for their vehicle.
- 6-pass tube-and-fin core with internal turbulators for improved heat transfer
- Includes hoses, clamps, mounting rods, foam pads, and an adapter for a more complete installation
- T-6061 aluminum construction offers corrosion resistance and lighter weight than steel coolers
- Pressure tested and rated for a wide operating temperature range
- Universal fit requires measuring and may need custom brackets or additional fittings for a neat install on some vehicles
Verdict: A cost-effective universal 6-pass aluminum cooler that meaningfully lowers transmission temps for drivers willing to fit a non‑factory direct kit to their Explorer.
5. Hayden Automotive 516 High Performance Transmission Cooler
| Vehicle Service Type | Car, Truck |
|---|---|
| Exterior | Machined |
| Position | Front |
| Special Features | Lightweight |
The Hayden 516 is a compact, round-tube transmission cooler intended to reduce transmission fluid temperatures during towing or heavy-duty driving. It uses a serpentine tube design with threaded SAE 45 degree fittings and includes hose and basic mounting hardware for installation. Its all-aluminum, lightweight construction and electrostatic powder coat help resist corrosion while keeping weight low. For a 2011-2019 Ford Explorer used for towing or repeated heavy driving, this cooler provides an affordable way to lower fluid temps and extend transmission life without a large footprint in front of the radiator. Installation is straightforward for a mechanic or a capable DIYer, but the vehicle-specific routing and mounting for the Explorer may require custom brackets or adjustments since the kit is compact and not a full-frame bolt-on assembly. The cooler is best for drivers who need extra cooling capacity without a bulky external unit, but those seeking the highest-capacity plate-fin designs should consider larger coolers if they tow maximum loads frequently.
Best for: Drivers of 2011–2019 Ford Explorer who regularly tow light to moderate loads or want extra transmission cooling without adding a bulky external unit and who prefer a proven, straightforward upgrade backed by user experience.
Less Ideal for: Drivers who routinely tow very heavy trailers or need maximum transmission cooling capacity should consider larger, high-capacity coolers designed specifically for heavy-duty towing setups.
- All-aluminum, lightweight construction reduces added weight and resists corrosion
- Threaded SAE 45 degree fittings improve connection reliability
- Includes hose and mounting hardware for a mostly complete kit
- Compact serpentine design fits into tighter spaces where larger coolers will not
- Not a large-capacity plate-fin cooler so peak cooling under extreme towing may be limited
- May require custom brackets or routing adjustments for a clean fit on the Explorer
Verdict: A compact, corrosion-resistant cooler that gives 2011–2019 Ford Explorer drivers a reliable, lightweight boost in transmission cooling for light to moderate towing.
6. KOROP LPD47391 40K Low Pressure Drop Transmission Oil Cooler Kit
| Material | Alloy Steel, Aluminum |
|---|---|
| Connector Type | Flare |
| Thread Type | NPT |
| Thread Size | 3/8 |
This KOROP LPD47391 transmission oil cooler is a compact brazed-aluminum cooler using low-pressure-drop (LPD) technology to increase heat transfer and help keep transmission fluid temperatures down during towing or heavy use. The kit includes the cooler plus brackets, bolts, and fasteners so it is ready for a direct aftermarket installation where a universal mount is acceptable. For a 2011–2019 Ford Explorer used for towing or frequent highway loads, the 40K-rated cooler offers about 30% more cooling versus basic tube-style coolers, which can reduce thermal wear on the transmission. The cooler uses 3/8-inch flare/NPT fittings and alloy steel lines that are durable but may require adaptors or rerouting depending on the Explorer's existing lines and fitting types. Expect a straightforward mechanical install for someone comfortable with basic underbody work, though professional installation removes guesswork and ensures leak-free connections. There is a 12-month warranty and the kit is a practical upgrade for drivers wanting better transmission temperature control without major modification.
Best for: A cautious buyer who wants to reduce transmission temperatures on a 2011–2019 Ford Explorer used for towing or frequent heavy loads and prefers a ready-to-install kit with durable construction.
Less Ideal for: Drivers who want a vehicle-specific, bolt-in cooler designed only for their exact model without any line changes or who prefer an extended factory-backed warranty.
- Brazed-aluminum construction for efficient, durable heat transfer
- Low-pressure-drop design boosts cooling capacity by roughly 30% over basic coolers
- Includes full mounting hardware for a complete installation
- Uses common 3/8-inch flare/NPT fittings compatible with many aftermarket lines
- May require adaptors or line modifications to match factory transmission fittings
- 12-month warranty is limited compared with longer coverage offered by some brands
Verdict: A practical, ready-equipped low-pressure-drop cooler kit that lowers transmission temperatures for 2011–2019 Ford Explorer drivers who tow or run heavy loads and want a durable aftermarket upgrade.
Choosing the Right 2011-2019 Ford Explorer Transmission Cooler: Key Factors to Consider
Cooling Capacity And Core Design
Cooling capacity determines how much heat the cooler can shed during sustained towing or high-temperature driving. Larger core surface area, multiple tube rows, and fin density increase heat exchange, which lowers transmission fluid temperature and reduces stress on internal components. For the Explorer, pick a cooler sized to match your load: daily driving needs less capacity than regular towing of trailers or boats.
Core design also influences airflow resistance and vulnerability to damage. Brazed-aluminum cores offer good thermal transfer and durability, while stacked-plate or tube-and-fin cores provide different tradeoffs between size and cooling efficiency. Consider the tradeoff between a larger cooler that requires more front-end clearance and a compact unit with lower peak cooling.
Fitment And Physical Dimensions
Physical size affects where the cooler can be mounted on the Explorer without interfering with the radiator, A/C condenser, or steering components. Measure available space behind the bumper and in front of the radiator to ensure the cooler clears crossmembers and wiring harnesses.
Mounting bracket geometry and inlet/outlet orientation should match the Explorer's transmission cooler lines to minimize additional hose runs. Some coolers are designed to mount in the factory receiver area or in front of the AC condenser for maximum airflow; others are intended as remote units mounted lower on the vehicle. Confirm clearance for routine maintenance and potential stone or debris impact.
Compatibility With Transmission Lines And Fittings
Compatibility with the Explorer's transmission cooler lines reduces installation time and the need for adapters. Check whether the cooler accepts standard ORB, AN, or barb fittings and whether the kit includes hose and clamps sized for OEM transmission hose. Using correct fittings prevents leaks and pressure loss that would undermine cooling performance.
If you plan to reuse factory lines, ensure the inlet and outlet positions align closely with the existing plumbing to avoid long reroutes that can invite chafing. For adapters or custom hoses, choose materials rated for automatic transmission fluid and operating pressures typical for the Explorer's transmission.
Installation Complexity And Instructions
Installation difficulty can range from a quick sandwich-style radiator adapter to a full external cooler mounted behind the bumper. Understand the steps required for your chosen option: whether it uses a transmission cooler line kit, requires a new set of hoses, or needs partial bumper removal. Clear, vehicle-specific instructions and included hardware make a DIY install more feasible.
Also consider whether professional installation is advisable for your skill level. Tasks like bleeding the transmission cooling circuit properly and securing lines away from heat sources or moving parts are important for long-term reliability. Easy-access drain points and hose-routing guides reduce the chance of installation errors.
Durability And Corrosion Resistance
Road salt, grit, and insect impact are common threats to front-mounted coolers on the Explorer. Materials and finish determine how well a cooler resists corrosion and physical damage. Look for units with corrosion-resistant coatings, robust end tanks, and protective fin guards to minimize physical wear.
Welded or brazed construction is generally stronger than crimped or glued joints. Also check the quality of included mounting hardware and whether mounting points use vibration-damping features to prevent fatigue over time.
Serviceability And Maintenance
A cooler that is easy to access and service reduces long-term ownership cost and downtime. Consider how straightforward it is to inspect for leaks, remove the cooler for cleaning, or replace hoses and fittings. Units that allow fluid isolation and safe draining simplify maintenance.
Also evaluate whether replacement lines, mounting brackets, or spare fittings are readily available. A design that minimizes the need to disturb adjacent components during service will save labor regardless of whether you or a technician performs the work.
Types Of Transmission Coolers Suitable For The Explorer
Several cooler styles work well for the 2011-2019 Ford Explorer depending on duty cycle and mounting constraints. Sandwich-plate style coolers install between the transmission and radiator and are compact, making them a good choice if front-end space is limited. External tube-and-fin coolers provide higher heat rejection and are preferred for regular towing or sustained heavy loads. Plate-and-fin or stacked-plate heat exchangers balance compactness with respectable cooling capacity.
Bullets was not included in this section to avoid repetition.
- Sandwich-plate radiators fit in-line with factory plumbing for cleaner installs
- External tube-and-fin units offer the best heat rejection for towing
- Plate-style exchangers save space while improving cooling over stock
Mounting Locations And Best Practices
Choosing where to mount the cooler affects airflow and protection. For best cooling, place the unit where it receives direct airflow in front of the radiator or lower behind the bumper where high-volume cooling air flows. If you mount a cooler lower, add a protective screen or guard to reduce stone and debris damage.
Proper routing of cooler lines matters. Keep hoses away from hot exhaust components and moving suspension parts. Secure hoses with clamps and tie points to prevent chafing and stress at fittings. Where possible, route hoses along factory harnesses or frame rails for cleaner plumbing and added protection.
- Front-of-radiator placement maximizes airflow
- Lower mounts require guards against debris
- Use factory tie points to secure hoses and prevent chafing
Towing Considerations And Temperature Targets
If you tow regularly with your Explorer, aim for transmission fluid temperatures that stay at least 10 to 30 degrees Fahrenheit lower than what you currently observe under similar loads. Lower operating temperature slows fluid oxidation and reduces wear on clutches and seals. A properly sized external cooler can reduce peak temperatures during long climbs or heavy trailer loads.
Monitor the transmission temperature after installation during a controlled towing run. Use steady speeds and similar trailer weight to the conditions you normally face. If temperatures remain high, consider supplementing with a higher-capacity cooler or improved airflow solutions such as a vented bumper opening.
- Target a 10 to 30 degree F reduction under load
- Test with typical trailer weight and route to verify performance
- Increase airflow if post-install temps remain elevated
Hose And Fitting Choices For Longevity
Select hoses rated for automatic transmission fluid and the Explorer's expected operating pressure range. Reinforced synthetic hoses resist kinking and collapse under negative pressure. Choosing the correct fitting standard reduces the need for adapters that can create leak points.
Avoid short, sharp bends; use gentle sweeps to maintain flow and reduce stress at fittings. Where adapters are necessary, use high-quality fittings tightened to recommended torque and inspect these joints after the first few heat cycles for leaks or loosening.
- Use ATF-rated reinforced hoses to resist collapse
- Minimize adapters to reduce potential leak points
- Inspect fittings after initial heat cycles for tightness and leaks
Still looking for the perfect fit?
Select your Ford Explorer configuration to see the most relevant Transmission Coolers recommendations
How We Chose the Best 2011-2019 Ford Explorer Transmission Cooler
We evaluated candidates against criteria that matter specifically for the 2011-2019 Ford Explorer platform and common owner needs. Our selection prioritized proven heat rejection under sustained loads, fitment that aligns with the Explorer's radiator and bumper space, and installation paths that use existing transmission cooler lines or easy-to-route external lines. We also considered construction quality, such as brazed-aluminum cores and corrosion-resistant fittings, which affect longevity in road salt and humid environments.Evaluation criteria included cooling capacity under continuous towing, compatibility with Explorer transmission fluid circuits and line lengths, physical dimensions to clear the front fascia and crossmember, mounting hardware and instructions for DIY or professional install, and warranty or support terms. We excluded universal options that required extensive custom fabrication or major bumper modification, as well as any units lacking clear plumbing instructions or inadequate heat-exchanger area. The final list reflects options that balance thermal performance, durability, and real-world installability for Explorer owners.
Our full evaluation process is outlined in our review methodology.
FAQ
Will adding an external transmission cooler void my Explorer's warranty?
Warranty effects depend on the warranty terms and whether the cooler or its installation caused damage. Adding a passive external cooler that does not modify the transmission itself is often considered an owner-installed accessory. If concerned, check the warranty language or consult a dealer about accessory installation policies.
Can I install a transmission cooler myself on a 2011-2019 Explorer?
Many owners can complete an install with basic tools if the kit includes vehicle-specific fittings and clear instructions. However, tasks like bleeding air from the cooling circuit and routing lines in tight spaces may be challenging. If you are uncomfortable with fluid handling or front-end disassembly, professional installation is recommended.
How will I know if my Explorer needs a transmission cooler upgrade?
Frequent towing, elevated transmission temperatures during long climbs, or noticeable shifts under load are common prompts to upgrade cooling. Also consider an upgrade if you operate in hot climates or engage in stop-and-go heavy towing. Monitoring transmission temperature during a loaded drive gives the clearest indication.
Do transmission coolers require regular maintenance?
Coolers require periodic inspection for debris, fins damage, and hose condition. Clean accumulated grit and bugs from the cooler face, check for leaks at fittings, and confirm mounting hardware is secure. Replacing hoses or clamps at signs of wear prevents fluid loss and maintains cooling efficiency.
Can I reuse the Explorer's factory cooler hoses with an external unit?
Reusing factory hoses is possible if they match the new cooler's inlet and outlet positions and are in good condition. Often aftermarket kits include dedicated hoses sized for the cooler to avoid mismatches. If factory hoses are aged or require awkward routing, replacing them with ATF-rated hoses is advisable.
Will a larger cooler affect transmission fluid pressure or flow?
A properly sized external cooler installed with appropriate hose diameter and fittings should not negatively affect system pressure or flow. Problems arise when excessively restrictive fittings or undersized hoses are used. Follow manufacturer guidance on recommended hose size and avoid unnecessary adapters.
Final Verdict
For 2011-2019 Ford Explorer owners, prioritizing cooling capacity, proper fitment, and installation clarity delivers the biggest practical benefits. If you tow or operate in hot conditions, choose a cooler with sufficient core area and a mounting plan that maximizes airflow while protecting the unit from debris. Balance cooling performance against available front-end space and installation complexity.Ultimately, focus on options that match your towing frequency and offer durable construction plus clear plumbing compatibility with the Explorer. That approach ensures lower fluid temperatures, longer transmission life, and more consistent shifting under load.
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