7 Best Transmission Coolers for Infiniti QX60: Improve Cooling And Reliability

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: March 24, 2026

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If you drive an Infiniti QX60, managing transmission temperature is important for long-term reliability and consistent performance. Choosing the right transmission cooler can reduce heat-related wear, help maintain fluid stability, and prevent premature component stress in heavy-use situations. This guide shortlists the top 7 options for the Infiniti QX60 transmission cooler and explains the practical tradeoffs we weighed, including cooling capacity and installation complexity. Read on for the criteria that matter and a clear path to selecting the right cooler for your vehicle.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
ACmango 6-Pass Tube-and-Fin Transmission Cooler Kit (Universal 5/16" Lines)ACmango 6-Pass Tube-and-Fin Transmission Cooler Kit (Universal 5/16" Lines)
Most Popular
A crowd favorite that many people choose with confidence
BARTOO 8-Pass Tube-and-Fin Transmission Oil Cooler Kit (Universal)BARTOO 8-Pass Tube-and-Fin Transmission Oil Cooler Kit (Universal)
Best Quality
Built to a higher standard if you want something more solid
UIU Engine Coolant Radiator with Transmission Oil Cooler for Infiniti QX56 / Nissan Titan 5.6LUIU Engine Coolant Radiator with Transmission Oil Cooler for Infiniti QX56 / Nissan Titan 5.6L
Best Budget
The cheapest option that still gets the job done reliably
A-Premium 6-Pass Aluminum Transmission Oil Cooler Kit (Universal)A-Premium 6-Pass Aluminum Transmission Oil Cooler Kit (Universal)
Most Sold
A high-volume bestseller chosen again and again
KOROP LPD47391 40K Low-Pressure- Drop Transmission Oil Cooler KitKOROP LPD47391 40K Low-Pressure- Drop Transmission Oil Cooler Kit
Best Value for Money
The sweet spot between price and what you get
EVIL ENERGY 5/16" Transmission Oil Cooler Kit, 8-Pass Aluminum Tube-and-FinEVIL ENERGY 5/16" Transmission Oil Cooler Kit 8-Pass Aluminum Tube-and-Fin
Gagsu Low Pressure Drop Transmission Oil Cooler LPD47391 (40,000 GVW) with Mounting HardwareGagsu Low Pressure Drop Transmission Oil Cooler LPD47391 (40000 GVW) with Mounting Hardware

1. ACmango 6-Pass Tube-and-Fin Transmission Cooler Kit (Universal 5/16" Lines)

ACmango 6-Pass Tube-and-Fin Transmission Cooler Kit (Universal 5/16" Lines)
Best Reviewed
A compact 6-pass tube-and-fin transmission cooler kit designed to lower transmission fluid temperature for demanding driving conditions.
MaterialT-6061 Aluminum
Core passes6-pass tube-and-fin
Compatible line ID5/16" (universal fitment)
Hose working pressure145 psi

This ACmango 6-pass tube-and-fin cooler is a small, affordable add-on that routes transmission fluid through multiple tubes and fins to shed heat before returning it to the transmission. It is typically mounted in front of the radiator or AC condenser and used by drivers who tow, carry heavy loads, or push a vehicle on long highway runs. The kit includes high-pressure hose, mounting hardware, clamps, foam pads, and an adapter to simplify installation. Notable features are the 6-pass design that increases heat transfer and the T-6061 aluminum construction for corrosion resistance and light weight. In practice it can reduce oil temperatures and help keep transmission operating temperatures closer to factory recommendations, which improves longevity under strain. Limits to consider are the universal 5/16" line fittings and supplied hose length, which may require different adapters or custom routing on some vehicles, and the small size which is better suited to moderate cooling needs rather than extreme towing or track use.

Best for: Reliability-focused owners who prioritize keeping transmission temperatures in check during daily towing, heavy-duty errands, or sustained highway driving and want a low-cost, preventative upgrade.

Less Ideal for: Drivers needing maximum cooling for heavy trailers, frequent mountain towing, or extended high-power track sessions should choose a larger, vehicle-specific cooler designed for extreme loads.

Pros:
  • 6-pass tube-and-fin design increases fluid dwell time for better heat transfer compared with single-pass coolers
  • T-6061 aluminum construction resists corrosion while keeping the unit lightweight
  • Includes hoses, clamps, mounting rods, foam pads, and an adapter for a mostly complete install
  • Rated hose pressure tested and specified working temperature range supports normal automotive use
Cons:
  • Fitted for 5/16" ID lines so additional adapters or different hose may be needed for factories that use other line sizes
  • Compact core size limits peak cooling capacity for heavy towing or high-performance track use

Verdict A budget-friendly, corrosion-resistant 6-pass cooler that helps keep transmission temperatures down for reliability-minded drivers, but it may need adapters or a larger core for heavy-duty applications.

2. BARTOO 8-Pass Tube-and-Fin Transmission Oil Cooler Kit (Universal)

BARTOO 8-Pass Tube-and-Fin Transmission Oil Cooler Kit (Universal)
A universal 8‑pass aluminum tube‑and‑fin transmission oil cooler kit with fittings and mounting hardware for reducing ATF temperatures.
Core type8‑pass tube and fin
MaterialT‑6061 aluminum alloy
Recommended line ID5/16 inch
Working pressure145 psi
Bursting pressure900 psi

This BARTOO kit is a compact 8‑pass tube‑and‑fin transmission oil cooler intended to lower automatic transmission fluid temperatures by routing fluid through multiple turbulators and fins for better heat transfer. It arrives as a near‑complete kit with hose, clamps, mounting rods, foam pads, mounting clips and an adapter to connect 5/16 inch cooler lines, so typical installation is mounting the cooler in a high‑airflow location ahead of the radiator or grille and connecting it in a bypass or auxiliary loop. The aluminum T‑6061 core and tube‑and‑fin design deliver noticeable cooling in tight spaces and reviewers report temperature drops large enough to help heavy use applications and small compressors. Practical benefits are easier installation and included hardware for a do‑it‑yourself fit, plus compatibility with common 5/16" lines. Limitations are that the universal kit requires fitting selection and possible bracket fabrication for a clean install on a specific vehicle, and some users found the outlet fittings and painted exterior can chip or crack if overtightened, so careful installation and proper adapters are recommended.

Best for: Convenience‑focused buyers who want a ready‑to‑install auxiliary transmission cooler that reduces ATF temps without a complex custom build.

Less Ideal for: Buyers seeking a vehicle‑specific, bolt‑on cooler with dedicated factory replacement fittings or those unwilling to adapt fittings and fabricate mounting brackets.

Pros:
  • Complete kit includes hose, clamps, mounting hardware and an adapter for quicker DIY installation
  • 8‑pass tube‑and‑fin core with turbulators improves heat transfer in a small footprint
  • T‑6061 aluminum construction with rated working and burst pressures for typical automotive use
  • Compact size fits tight mounting locations such as in front of the radiator or behind the grille
Cons:
  • Universal fittings may require additional adapters or custom mounting to fit specific factory locations
  • Some customers reported fragile or paint‑chipped fittings if overtightened, indicating care is needed during assembly

Verdict A compact, convenience‑oriented universal cooler that delivers good cooling for auxiliary installations on the QX60 but may need fittings or bracket work for a perfect fit.

3. UIU Engine Coolant Radiator with Transmission Oil Cooler for Infiniti QX56 / Nissan Titan 5.6L

UIU Engine Coolant Radiator with Transmission Oil Cooler for Infiniti QX56 / Nissan Titan 5.6L
Best Quality
A direct-fit engine coolant radiator with an integrated brass transmission oil cooler designed for 5.6L Nissan/Infiniti V8 applications.
Compatible engines5.6L V8
Fitment yearsInfiniti QX56 2004-2010
Core materialAluminum core
Transmission coolerBrass integrated

This UIU radiator replaces the factory cooling assembly and includes a brass transmission oil cooler for integrated engine and trans cooling on 5.6L Infiniti/Nissan V8s. It is a complete direct-fit unit used in place of the original radiator to restore cooling performance and maintain transmission fluid temperatures under load. Notable elements include a high-density, multi-louvered aluminum core for improved heat transfer, TIG-welded end joints, PA66 GF30 inlet/outlet tanks, and a painted finish intended to resist corrosion. The brass transmission cooler and leak-tested construction aim to provide reliability for towing or performance driving where extra thermal control is needed. Installation is typical for a full radiator swap and should be performed with coolant and trans fluid handling in mind. Expect a factory-quality fit and stronger cooling capacity versus an aging stock unit, but be aware this is a full radiator replacement so it requires the time and tools of a radiator installation and possible hose or sensor transfer during fitment.

Best for: Performance-oriented buyers who prioritize reliable cooling under heavy loads or towing and want a high-quality factory-replacement radiator that also manages transmission temperatures.

Less Ideal for: Owners looking only to add an auxiliary transmission cooler or a simple bolt-on upgrade should consider standalone transmission coolers instead of this full radiator replacement.

Pros:
  • Direct-fit design intended to replace the factory radiator for 5.6L V8 models
  • High-density multi-louvered aluminum core for improved cooling efficiency
  • Integrated brass transmission oil cooler to help control trans temps under load
  • TIG-welded construction and leak-tested assembly for durability
Cons:
  • Requires full radiator removal and standard installation work rather than a plug-and-play cooler add-on

Verdict A factory-replacement radiator with an integrated brass transmission cooler made for performance use and improved heat control in 5.6L Infiniti/Nissan V8s.

4. A-Premium 6-Pass Aluminum Transmission Oil Cooler Kit (Universal)

A-Premium 6-Pass Aluminum Transmission Oil Cooler Kit (Universal)
Best Budget
A-Premium's 6-pass aluminum transmission oil cooler kit is a compact aftermarket cooler intended to add or supplement transmission cooling for light towing and everyday use.
Core type6-pass tube and fin
MaterialAluminum
Towing guidanceUp to 2,500 lbs
IncludesHose and mounting kit

This A-Premium cooler is a simple, budget-friendly aluminum 6-pass tube-and-fin unit sold as a kit with mounting hardware and hoses. It is designed to be installed inline with the transmission cooler circuit to lower fluid temperatures when towing light loads or reducing heat on older cooling systems. The compact core makes it straightforward to fit into tight front-end locations, and the included silicone hose and mounting kit speed up a DIY installation. For an Infiniti QX60, this cooler can serve as an inexpensive way to supplement the factory transmission cooler when you occasionally tow or want extra thermal margin. Expect modest cooling gains appropriate for light towing up to the stated 2,500 lb guideline rather than heavy-duty commercial use. Some buyers report fitment surprises on specific vehicles, so verify physical clearance and hose routing before committing. The kit's construction is practical for the price, but it is not a heavy-duty or vehicle-specific engineered solution.

Best for: Practical, budget-conscious Infiniti QX60 owners who want an affordable DIY upgrade to reduce transmission temperatures during occasional towing or spirited driving.

Less Ideal for: Owners who regularly tow heavy loads, run commercial duty cycles, or prefer a vehicle-specific factory-quality replacement should consider a purpose-built heavy-duty cooler instead.

Pros:
  • Compact 6-pass aluminum core provides additional transmission cooling without a large footprint
  • Comes as a kit with mounting hardware and silicone hose to simplify DIY installation
  • Lightweight construction suitable for adding cooling capacity to the factory system
  • Rated for light towing support up to 2,500 lb which covers occasional trailer use
Cons:
  • Universal design requires trimming or custom mounting for exact fit and may need extra brackets or modifications
  • Not engineered as a vehicle-specific heavy-duty cooler for sustained high-load towing
  • Size and hose lengths may not match factory routing on some vehicles requiring extra planning

Verdict A low-cost, compact supplemental cooler that suits Infiniti QX60 owners looking for modest, DIY cooling improvements but not heavy-duty towing solutions.

5. KOROP LPD47391 40K Low-Pressure- Drop Transmission Oil Cooler Kit

KOROP LPD47391 40K Low-Pressure- Drop Transmission Oil Cooler Kit
Most Sold
A brazed-aluminum low-pressure-drop transmission cooler kit with mounting hardware designed to reduce transmission temperatures in heavy-duty towing and daily driving applications.
MaterialAlloy Steel, Aluminum
Connector TypeFlare
Thread TypeNPT
Thread Size3/8

The KOROP LPD47391 is a brazed-aluminum transmission oil cooler kit built to lower transmission operating temperatures and resist high heat under load. It uses a low-pressure-drop core intended to improve heat transfer without adding significant resistance to the transmission cooling circuit. The kit includes a full set of mounting brackets, fasteners, and fittings to simplify installation and offers a range of connector options for adapting to different lines. In real-world use it is typically mounted ahead of the radiator or in a dedicated airflow location to shave off transmission oil temperature during towing or repeated hill climbs. Buyers report meaningful temperature drops and straightforward fit when adapted to compatible vehicles, though some have found the supplied hoses or nonstandard fittings require replacement for long-term reliability or to match existing line sizes. Expect improved cooling performance but be ready to swap hoses or fittings for a perfect fit on your Infiniti QX60 and to drill or modify brackets for ideal placement.

Best for: A risk-averse mainstream buyer who wants a factory-quality transmission cooling upgrade to protect the transmission during towing or daily driving and prefers a ready-made kit that minimizes custom fabrication.

Less Ideal for: Drivers who want a direct, bolt-on cooler guaranteed to match stock fittings without any line or bracket changes should consider purpose-built, vehicle-specific factory-replacement coolers instead.

Pros:
  • Brazed aluminum core with low-pressure-drop design for efficient heat transfer
  • Includes complete mounting hardware and assorted fittings for easier installation
  • Reports from users show noticeable transmission temperature reduction under load
Cons:
  • Supplied hoses and fittings may use nonstandard sizes and have reported durability issues in some batches
  • May require drilling or bracket modification for proper fit and placement on some vehicles

Verdict A cost-effective, brazed-aluminum low-pressure-drop cooler kit that lowers transmission temps but may need hose or fitting swaps for perfect fitment on the Infiniti QX60.

6. EVIL ENERGY 5/16" Transmission Oil Cooler Kit, 8-Pass Aluminum Tube-and-Fin

EVIL ENERGY 5/16" Transmission Oil Cooler Kit 8-Pass Aluminum Tube-and-Fin
Best Value for Money
A universal 8-pass aluminum transmission oil cooler kit designed for 5/16" ID lines, supplied with hoses and basic mounting hardware for aftermarket installation.
Compatible line ID5/16" ID transmission lines
Core type8-pass tube and fin
Cooler materialAluminum alloy
Hose materialCPE, working pressure 145 PSI

This EVIL ENERGY kit is an 8-pass tube-and-fin transmission cooler sold as a universal retrofit that connects to 5/16" ID transmission lines. It is typically mounted ahead of the radiator or condenser in a high-airflow spot and used to lower automatic transmission fluid temperatures during towing, repeated uphill driving, or heavy city use. The aluminum cooler and CPE hose in the kit are durable for street use and the tube-and-fin core design transfers heat efficiently without adding much bulk. Included fittings and clamps let you install the cooler without fabricating parts, though several reviewers note the adapters and plastic clips may require upgrading or minor modifications for a perfect seal. The kit is compact enough to fit in tight front-end locations on the QX60, but because it is universal you may need a flare tool, better clamps, or custom brackets to get an ideal fit and leak-free hookup. For a practical buyer wanting cooler transmission temperatures on an Infiniti QX60 without paying for a vehicle-specific assembly, this kit delivers strong performance for the money with the expectation of a little mechanical work during installation.

Best for: A practical optimizer who wants a cost-effective aftermarket cooler to reduce transmission temperatures on an Infiniti QX60 without buying a vehicle-specific unit; ideal for owners who are comfortable doing modest modifications during install.

Less Ideal for: Drivers who want a plug-and-play, vehicle-specific assembly with guaranteed fitment and factory-style fittings should consider a model made specifically for the QX60 or professional installation services.

Pros:
  • 8-pass tube-and-fin core provides effective heat transfer for lower ATF temperatures
  • Aluminum construction resists corrosion and is lightweight for front-mount installs
  • Comes with hoses, fittings, and basic mounting hardware for a mostly complete install
  • Compact footprint fits into tight front-end locations commonly found on the QX60
Cons:
  • Universal adapters and included clamps can require modification or replacement to achieve a reliable, leak-free seal
  • Instructions and small parts quality are inconsistent so installation may take extra time and tools

Verdict A budget-friendly, compact 8-pass aluminum cooler that lowers ATF temps on the QX60 effectively but may need better clamps or small modifications for a perfect, leak-free install.

7. Gagsu Low Pressure Drop Transmission Oil Cooler LPD47391 (40,000 GVW) with Mounting Hardware

Gagsu Low Pressure Drop Transmission Oil Cooler LPD47391 (40000 GVW) with Mounting Hardware
Best Overall
A low pressure-drop external transmission cooler kit designed for heavy-duty applications with included mounting hardware.
ModelLPD47391
ManufacturerGagsu
ExteriorMetal
GVW rating40,000 pounds

The Gagsu LPD47391 is an external transmission oil cooler built to lower transmission temperatures on heavy-duty vehicles and towing rigs. It installs in-line with the transmission cooler lines and uses a low pressure-drop core to minimize system resistance while increasing heat dissipation. The kit ships with brackets, bolts, and hose fittings so it can be mounted in front of the radiator or behind a tow package area. Real-world use shows substantial reductions in operating temperature when towing or hauling, which helps protect the transmission and extend service life. Notable features include the low pressure-drop design and a claimed 40,000 pound GVW rating for commercial use. Buyers should note some reports of manufacturing debris in ports and occasional pinhole failures, so inspect and flush the cooler before installation and consider upgrading the supplied clamps and hoses. Installation is straightforward for a competent DIYer but professional fitment ensures correct line routing and leak-free connections.

Best for: A balanced all-round buyer who tows or frequently drives in hot conditions and wants an effective, reasonably priced external cooler to lower transmission temps and extend drivetrain life.

Less Ideal for: Drivers seeking a direct-fit, vehicle-specific OEM replacement for the Infiniti QX60 without any modification should consider a model engineered precisely for that application instead.

Pros:
  • Low pressure-drop core reduces flow restriction while improving cooling efficiency.
  • Comes with mounting hardware and fittings for straightforward installation.
  • Designed for high-GVW towing applications to keep transmission temperatures down.
  • Multiple customer reports show significant temperature reductions under load.
Cons:
  • Some units have arrived with aluminum shavings or casting defects in the ports requiring cleaning before use.
  • Included clamps and fasteners are reported as lower quality and may need replacement.
  • There are isolated reports of pinhole leaks that can cause catastrophic fluid loss if not detected.

Verdict A capable, budget-friendly external cooler that meaningfully lowers transmission temperatures for towing use but needs inspection and possible hardware upgrades before installation.

Choosing the Right Infiniti QX60 Transmission Cooler: Key Factors to Consider

Cooling Capacity And Core Design

Cooling capacity determines how much heat the cooler can remove from circulating transmission fluid. Look for a core design that balances fin density and airflow area; denser fins increase heat transfer but can clog in dirty conditions and reduce airflow, while larger core volume provides more fluid residence time for heat dissipation.

Core materials matter too. Aluminum cores are common for their thermal conductivity and weight advantages. Consider the shape and thickness of the core relative to available mounting space on the QX60 so you do not impede radiator or condenser airflow.

Fitment And Mounting Location

A cooler that fits the QX60 mounting space and aligns with existing brackets or protected areas reduces installation time and the risk of damage from road debris. Determine whether the cooler is intended for front-of-radiator, behind-bumper, or condenser-mounted placement and whether that location provides sufficient airflow for the core size.

Mounting hardware quality and adjustability are important. Adjustable brackets or multiple mounting points help ensure the cooler can be secured without stressing the transmission cooler lines or nearby components.

Connection Type And Line Compatibility

Transmission cooler lines and fittings must match the vehicle’s transmission output and return ports or adapt cleanly with reliable adapters. Choose coolers that offer compatible fittings and, if necessary, clear guidance for hose routing to avoid kinks and rubbing against sharp edges.

Consider whether the product includes necessary hose clamps or adapters. If you plan to reuse existing lines, confirm inner diameter and fitting type to prevent leaks and pressure losses.

Material Quality And Corrosion Resistance

Materials affect longevity and reliability; aluminum and brass fittings with quality brazing or welded joints resist common failure modes. Protective coatings or anodizing can reduce corrosion risk from road salts and environmental exposure.

Inspect the construction approach: welded end tanks and continuous-brazed cores generally outperform cheap press-fit or glued assemblies. Corrosion resistance reduces the chance of leaks and preserves heat transfer performance over time.

Installation Complexity And Serviceability

Installation difficulty influences total cost and whether you can complete the job yourself. Kits that include clear hardware, mounting brackets, and instructions tailored to the vehicle make installation faster and reduce the chance of mistakes.

Also consider serviceability: easy access to fittings for draining and bleeding, and the ability to remove or replace the cooler without disturbing major components, can simplify maintenance and future repairs.

Airflow Exposure And Debris Protection

Effective cooling requires steady airflow across the core; however, exposure to road debris and stones can damage fins and compromise performance. Look for features that balance airflow with protection, such as partial screening, fin spacing designed to resist clogging, or a core positioned behind a protective grille.

Think about the typical driving environment. Frequent highway towing or gravel roads increase the need for physical protection and easier access for cleaning to maintain long-term cooling efficiency.

FAQ

How do I know if my Infiniti QX60 needs a transmission cooler?

Common indicators include higher than normal transmission operating temperatures under load, frequent towing or heavy use, or repeated overheating warnings. Occasional high temps during sustained climbs or towing often suggest added cooling could help, while persistent overheating warrants inspection of the cooling system and transmission.

Can I install a transmission cooler myself on the Infiniti QX60?

Many owners complete installations themselves if they have basic mechanical skills and tools. Complexity depends on the chosen mounting location and whether the cooler kit includes vehicle-specific hardware. Allow time for proper line routing, secure mounting, and bleeding the system to avoid air intrusion.

Will adding an external transmission cooler change how my transmission operates?

An external transmission cooler usually reduces fluid temperature and can improve fluid longevity and consistent shift behavior under stress. It does not alter transmission logic or hardware but helps maintain optimal fluid conditions, especially during towing or repeated heavy use.

Are transmission cooler lines reusable when installing a new cooler?

Existing lines can often be reused if they are in good condition and match the new cooler’s fittings. Inspect lines for cracks, swelling, or corrosion. When in doubt, replacing aged lines or using the hoses supplied with a cooler kit reduces the risk of leaks.

How much cooling capacity do I need for towing with the QX60?

Cooling needs increase with towing frequency and load. For occasional light towing, a modestly sized cooler with good airflow may suffice. For regular or heavy towing, choose a larger core or dual-pass design that offers greater heat rejection. Match the cooler capacity to your typical use rather than maximum theoretical load.

How We Chose the Best Infiniti QX60 Transmission Cooler

We focused on components and features that matter specifically for an Infiniti QX60 application. Key evaluation criteria included heat rejection capacity measured by surface area and fin density, compatibility with the QX60 transmission plumbing and mounting points, build quality of the core and end tanks, and the practicality of routing and securing transmission cooler lines. We also considered installation time and whether the cooler works with existing radiator or condenser-mounted setups, plus corrosion resistance for long-term durability. Excluded from this list were products intended only for heavy commercial vehicles, units lacking clear fitment guidance, and coolers without adequate material or construction details. Our selections emphasize usable cooling performance, reliable fittings, and realistic installation requirements for typical QX60 owners.

Our full evaluation process is outlined in our review methodology.

Conclusion

Prioritize cooling capacity, proper fitment, and durable construction when choosing an Infiniti QX60 transmission cooler. Balance core size and airflow with the practical constraints of mounting location to ensure the cooler performs under your typical driving conditions. Also weigh installation complexity and line compatibility so you can secure a reliable setup that is serviceable over time. Focusing on those tradeoffs will help you pick a cooler that extends transmission life and reduces heat-related maintenance down the road.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.