7 Best Oil Coolers For Kia Soul: Keep Engine Temperatures Stable

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: April 29, 2026

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If you own a Kia Soul and depend on it for daily driving or occasional towing, maintaining optimal oil temperature is essential for engine longevity and performance. Choosing the right Kia Soul oil cooler can reduce thermal stress, prevent premature wear, and help the engine run more consistently under load. This guide highlights the top shortlisted oil cooler options for the Kia Soul and explains the practical criteria used to evaluate them, including cooling capacity and fitment reliability. Read on for focused guidance to help you pick the most suitable cooler for your needs.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
MOTOALL Engine Oil Cooler 264102B740 for 1.6L TurboMOTOALL Engine Oil Cooler 264102B740 for 1.6L Turbo
Most Popular
A crowd favorite that many people choose with confidence
Four Seasons 53001 Ultra-Cool Transmission Oil CoolerFour Seasons 53001 Ultra-Cool Transmission Oil Cooler
Best Quality
Built to a higher standard if you want something more solid
BIG TIGER PARTS Engine Oil Cooler 26410-2B710BIG TIGER PARTS Engine Oil Cooler 26410-2B710
Best Budget
The cheapest option that still gets the job done reliably
AULINK Engine Oil Cooler (264102B740) Compatible with 2017–2020 Kia Soul 1.6LAULINK Engine Oil Cooler (264102B740) Compatible with 2017–2020 Kia Soul 1.6L
Most Sold
A high-volume bestseller chosen again and again
A-Premium Engine Coolant Radiator Assembly with Transmission Oil CoolerA-Premium Engine Coolant Radiator Assembly with Transmission Oil Cooler
Best Value for Money
The sweet spot between price and what you get
A-Premium Engine Oil Cooler (compatible with Hyundai/Kia 2.0L & 2.4L)A-Premium Engine Oil Cooler (compatible with Hyundai/Kia 2.0L & 2.4L)
LEMASSON Aluminum Engine Oil Cooler and Filter Housing (926-959)LEMASSON Aluminum Engine Oil Cooler and Filter Housing (926-959)

1. MOTOALL Engine Oil Cooler 264102B740 for 1.6L Turbo

MOTOALL Engine Oil Cooler 264102B740 for 1.6L Turbo
Best Reviewed
A direct-replacement engine oil cooler designed for 1.6L turbo Hyundai/Kia engines that restores oil cooling and seals to stop leaks.
ManufacturerMOTOALL
Manufacturer Part Number264102B740
FitsKia Soul 1.6L Turbo (2017-2020)

This MOTOALL engine oil cooler is a straightforward replacement for 1.6L turbo applications and is typically used to repair oil leaks or restore engine oil cooling performance. It installs in place of the factory cooler and includes the cooler assembly expected for the swap. Buyers report it fits directly on compatible vehicles and stops leaks when the original gasket or cooler has failed. The practical benefits are simple: it restores factory routing for oil flow and heat transfer, includes the assembly needed for installation, and is a lower-cost option than dealer parts. Expect a standard mechanical install that can be tight in the engine bay and may require basic tools and moderate mechanical experience. Some customers noted small cosmetic dents on arrival that did not affect function, so inspect the part on delivery before fitting. For reliability-focused owners this unit offers a cost-effective way to address oil leaks and overheating of oil, but long-term durability compared with factory-quality parts will depend on installation care and operating conditions.

Best for: Reliability-focused buyers who prioritize fixing an oil leak or restoring oil cooling on a 1.6L turbo vehicle with a straightforward, cost-conscious replacement.

Less Ideal for: Buyers seeking a guaranteed long-term factory-equivalent part or those who prefer dealer-sourced components with manufacturer-backed assurance.

Pros:
  • Designed as a direct replacement for 1.6L turbo engine applications, simplifying swap-in installation
  • Included assembly addresses common gasket-related oil leaks when replacing the failed cooler
  • Lower-cost alternative to dealer parts while maintaining reported fit and function
  • Multiple buyer reports of successful installations and restored cooling performance
Cons:
  • May arrive with minor cosmetic dents despite functioning properly
  • Long-term durability versus factory-quality parts is uncertain

Verdict A budget-friendly direct-replacement oil cooler that effectively stops leaks and restores oil cooling on 1.6L turbo Kia Soul models, with minor cosmetic variability and uncertain long-term parity with factory parts.

2. Four Seasons 53001 Ultra-Cool Transmission Oil Cooler

Four Seasons 53001 Ultra-Cool Transmission Oil Cooler
An aftermarket transmission oil cooler kit designed to add auxiliary cooling capacity for vehicles with limited factory cooling.
Model53001
ManufacturerFour Seasons
ExteriorMachined

The Four Seasons 53001 Ultra-Cool transmission oil cooler is a compact auxiliary cooler intended to reduce transmission fluid temperatures by routing fluid through a finned machined cooler mounted ahead of the radiator or condenser. It typically installs using the included adapter, nylon straps, foam pads and hose to tie into the vehicle's transmission cooler lines, and is commonly used where factory cooling is marginal or when towing or city driving heats the transmission. Notable features include the machined exterior cooler core and a simple kit layout that most DIYers can fit with basic tools. In practice it delivers measurable heat reduction when properly mounted in a high-airflow location, and reviewers report straightforward installs on tight engine bays. Limitations are that the kit uses generic adapters and short hose lengths that may not match every routing on a Kia Soul, so you may need vehicle-specific fittings or extra hose and clamps. The mounting straps can be fiddly around condenser fins and the cooler is smaller than some heavy-duty alternatives, so it is best for convenience-oriented upgrades rather than high-capacity towing setups.

Best for: Convenience-driven owners who want a simple, DIY-friendly way to lower transmission temperatures on a Kia Soul for everyday driving and light-load use.

Less Ideal for: If you plan frequent heavy towing, aggressive driving, or need maximum cooling capacity, choose a larger dedicated cooler or vehicle-specific kit instead.

Pros:
  • Compact, finned design provides added heat dissipation in constrained engine bays
  • Straightforward kit with mounting straps and basic hardware for DIY installation
  • Multiple positive user reports of easy installation and effective temperature reduction
  • Machined exterior suggests durable construction compared with cheap stamped cores
Cons:
  • Comes with generic adapters and short hose that may not fit Kia Soul routing without extra parts
  • Mounting straps and foam pads can be difficult to secure without risking condenser fin damage
  • Smaller core size limits capacity compared with larger, high-flow coolers for heavy towing

Verdict A compact, easy-to-install transmission cooler kit that suits convenience-minded Kia Soul owners but may need extra hoses or fittings for a perfect fit.

3. BIG TIGER PARTS Engine Oil Cooler 26410-2B710

BIG TIGER PARTS Engine Oil Cooler 26410-2B710
Best Quality
A factory-quality replacement engine oil cooler designed to match original fitment for compatible Hyundai/Kia applications.
ManufacturerBIG TIGER PARTS
ModelVELOSTER 11-14
Manufacturer Part Number26410-2B710
OEM Part Number26410 2B710

This BIG TIGER PARTS oil cooler is a direct-fit factory-quality replacement intended to restore proper engine oil cooling where the original unit has failed. It installs in the same location as the factory part and connects to existing coolant and oil lines, so typical use is straightforward replacement during a repair or while addressing an oil leak. Notable features include manufacturer part number match to the original unit and packaging that indicates OEM-style fit. In practice this means you should expect plug-and-play alignment with factory mounting points and comparable thermal performance to the stock cooler. A few buyers reported minor bending of a coolant port that required a small adjustment before installation, so a careful inspection and gentle reshaping may be needed. This is a solid choice when you want to return cooling and sealing to factory level without sourcing a dealer-only part, but it may not include dealer-level packaging or support that some shops prefer.

Best for: Performance-oriented DIYers or independent shops focused on restoring factory cooling function quickly and economically, prioritizing reliable, factory-spec replacement over dealer sourcing.

Less Ideal for: Buyers seeking full dealer support, branded warranty paperwork, or an enhanced aftermarket performance cooler should consider other options.

Pros:
  • Factory part number match for direct-fit replacement
  • Restores engine oil cooling and stops oil leaks when fitted correctly
  • Typical plug-and-play installation with factory mounting points
Cons:
  • Some units may arrive with a slightly bent coolant port requiring manual adjustment
  • Not sold with dealer installation support or extended service paperwork

Verdict A practical factory-quality replacement that restores stock oil cooling performance for vehicles needing a direct-fit oil cooler replacement.

4. AULINK Engine Oil Cooler (264102B740) Compatible with 2017–2020 Kia Soul 1.6L

AULINK Engine Oil Cooler (264102B740) Compatible with 2017–2020 Kia Soul 1.6L
Best Budget
AULINK replacement engine oil cooler is a budget-friendly aluminum unit designed to maintain optimal oil temperature for certain 1.6L four-cylinder Kia and Hyundai engines.
ManufacturerAULINK
ModelEngine Oil Cooler
Manufacturer Part NumberAUOCB719
OEM Part Number26410 2B740

This AULINK oil cooler is a direct replacement-style unit that helps keep engine oil at proper operating temperatures to protect internal components and support consistent performance. It is typically used when the original oil cooler is leaking, clogged, or damaged; installation replaces the factory cooler in vehicles that match the OEM part number. The cooler is machined from aluminum for corrosion resistance and lighter weight, and the listing notes TS16949 production and functional testing for quality control. Practical benefits include straightforward fitment for compatible 1.6L engines and an included gasket in at least some packages, which simplifies reinstall. Limitations are its narrow compatibility—fitment must match the listed Kia Soul 2017–2020 1.6L application—and the product offers only a one-year replacement or a mileage-limited promise rather than a long-term warranty. For budget repairs it delivers the core function without premium extras.

Best for: Budget-conscious buyers who need a cost-effective, factory-style replacement to restore oil cooling on a Kia Soul 1.6L and prioritize low initial cost and straightforward fitment.

Less Ideal for: Drivers seeking a heavy-duty aftermarket upgrade, long-term extended warranty, or compatibility across multiple engine types should consider higher-end or model-specific performance coolers instead.

Pros:
  • Aluminum construction resists corrosion and helps with heat dissipation
  • Manufactured under TS16949 facilities with material validation and functional testing
  • Direct replacement fit for matching 1.6L engines, simplifying installation
  • Includes gasket in at least some packages to reduce parts needed for installation
Cons:
  • Compatibility limited to specific 1.6L model years so verification is required before purchase
  • Warranty coverage is short and mileage-limited compared with longer-term alternatives

Verdict AULINK offers a wallet-friendly, factory-style oil cooler for the Kia Soul 1.6L that restores core cooling function without premium features.

5. A-Premium Engine Coolant Radiator Assembly with Transmission Oil Cooler

A-Premium Engine Coolant Radiator Assembly with Transmission Oil Cooler
Most Sold
A-Premium replacement radiator assembly includes an integrated transmission oil cooler and is designed to restore engine cooling performance for compatible Hyundai and Kia automatic-transmission models.
Transmission Oil Cooler IncludedYes
Inlet Diameter1 3/8 inch
Outlet Diameter1 5/16 inch

This A-Premium radiator assembly is a direct replacement-style cooling unit with a built-in transmission oil cooler intended for Kia Soul models with automatic transmission. It replaces the factory radiator to restore coolant circulation and add or repair the transmission fluid cooling circuit, so it is typically used when the original radiator leaks, is clogged, or the transmission oil cooler fails. Notable features include an integrated transmission oil cooler, factory-style inlet and outlet diameters, and stated fitment to OEM reference numbers for proper fit and function. In practice this means straightforward swap-in installation for a compatible vehicle and one component that handles both engine and transmission cooling. The practical benefits are restored cooling performance and fewer installation steps than fitting separate radiators and coolers. Limitations are that buyers must confirm exact model and trim fitment before purchase and that aftermarket assemblies can vary in long-term durability compared with factory-manufactured units.

Best for: Risk-averse mainstream buyers seeking a practical, ready-to-install replacement that restores both engine and transmission cooling without complex modifications.

Less Ideal for: Buyers looking for a factory-manufactured OEM part with documented long-term performance data or those who prefer professional remanufactured units for guaranteed longevity.

Pros:
  • Integrated transmission oil cooler reduces the need for separate components and simplifies installation.
  • Listed to match multiple OEM reference numbers for better fit and compatibility with specified models.
  • Core dimensions and inlet/outlet sizes are specified to aid verification and replacement planning.
Cons:
  • Long-term durability and material quality may vary from factory-quality parts and are not independently verified.
  • Requires careful confirmation of exact model and trim fitment before installation to avoid mismatch.

Verdict A convenient single-unit replacement that restores both engine and transmission cooling for compatible Kia Soul automatic-transmission models, provided you verify exact fitment.

6. A-Premium Engine Oil Cooler (compatible with Hyundai/Kia 2.0L & 2.4L)

A-Premium Engine Oil Cooler (compatible with Hyundai/Kia 2.0L & 2.4L)
Best Value for Money
A-Premium's aluminum engine oil cooler is a direct replacement part designed to cool engine oil on compatible 2.0L and 2.4L Hyundai and Kia models and includes a gasket.
MaterialAluminum
Gasket IncludedYes
OEM Number264102G100, A52600019

This aluminum engine oil cooler replaces the factory unit and routes engine oil through a finned cooler to lower oil temperatures during normal driving and towing. It is supplied with a gasket and carries OEM reference numbers 264102G100 and A52600019 for fit checks. Typical use is as a direct factory-style replacement when the original cooler leaks or becomes clogged; installation is the same as the factory part and works with the listed 2.0L and 2.4L Hyundai and Kia applications. The aluminum construction helps with heat transfer and resists corrosion compared with cheaper stamped options. Buyers report reliable fit and straightforward installation on compatible vehicles, and the included gasket reduces parts-sourcing hassle. Limitations are that longevity is uncertain compared with higher-end branded coolers and fitment must be checked carefully against the OEM reference numbers since several model-year subvariants are listed. There is no performance upgrade over factory-spec coolers, so this is best when you need a budget-friendly, like-for-like replacement rather than improved cooling capacity.

Best for: A practical optimizer seeking a cost-effective, factory-style replacement that minimizes parts headaches and gets the vehicle back to reliable operation without paying for performance upgrades.

Less Ideal for: Shoppers wanting a high-performance or heavy-duty oil cooler for demanding towing or track use should consider upgraded aftermarket units instead.

Pros:
  • Aluminum construction for good heat transfer and corrosion resistance
  • Ships with gasket to simplify installation and reduce additional parts
  • Matches OEM reference numbers for straightforward direct-replacement fit on listed models
  • Widely reported to fit properly on compatible vehicles, easing installation
Cons:
  • Not marketed as a performance upgrade so cooling capacity is factory-equivalent only
  • Long-term durability compared with premium branded coolers is not established

Verdict A budget-conscious, factory-style aluminum oil cooler that simplifies replacement with included gasket and OEM-matching fit, but it does not increase cooling performance.

7. LEMASSON Aluminum Engine Oil Cooler and Filter Housing (926-959)

LEMASSON Aluminum Engine Oil Cooler and Filter Housing (926-959)
Best Overall
An aluminum replacement engine oil cooler with integrated oil filter housing designed to fit specific 3.6L Chrysler-family engines from model years in the 2011–2016 range.
BrandLEMASSON
MaterialAluminum
Product GradeReplacement Part
OEM Part Number926-959

This aluminum engine oil cooler with integrated oil filter housing replaces plastic factory housings and is intended as a direct-fit replacement for compatible 3.6L Pentastar engines. In use it mounts where the factory cooler and filter housing sit, routes engine oil through the cooler passages, and accepts the standard oil filter and sensors for plug-and-play installation. The upgraded aluminum construction improves heat dissipation and resists cracking that can occur with plastic housings, which helps reduce the chance of oil leaks over time. The unit is sold as a vehicle-specific replacement, and many buyers report straightforward installation and improved durability compared with the original plastic part. However, a few customers experienced issues with seals, bolts, or early leaks, so it is prudent to reuse or replace OEM gaskets and torque hardware to specification during installation. This is a practical aftermarket upgrade for those who want a more robust housing but expect to follow proper installation steps and check sealing hardware after fitment.

Best for: Balanced all-round buyers looking for a stronger, longer-lasting replacement housing who prioritize a factory-style direct fit and improved durability over the original plastic part.

Less Ideal for: Buyers seeking a vehicle-specific oil cooler for the Kia Soul should look for parts listed explicitly for Kia Soul fitment rather than Chrysler 3.6L Pentastar applications.

Pros:
  • Aluminum housing is stronger than original plastic and improves resistance to cracking and heat-related failure.
  • Engineered for direct, vehicle-specific fit to match factory mounting points and sensors for plug-and-play installation.
  • Covers a broad list of Chrysler-family 3.6L applications, simplifying parts selection for compatible repairs.
  • Undergoes leak and durability testing before shipping, indicating quality control attention.
Cons:
  • Some buyers reported seal or bolt failures and early leaks on certain units, suggesting variable quality control.
  • Does not include replacement OEM gaskets or bolts in every case, so additional parts may be required for a clean install.

Verdict A practical, stronger aftermarket replacement for Chrysler 3.6L oil cooler housings that improves durability but requires careful gasket and hardware attention during installation.

Choosing the Right Kia Soul Oil Cooler: Key Factors to Consider

Cooling Capacity and Core Size

Cooling capacity determines how effectively the oil cooler reduces oil temperature during heavy use. Larger core surface area and denser fin arrangement generally improve heat transfer, which matters if you drive in hot climates or tow with your vehicle.

Make sure the cooler’s rated heat rejection aligns with your anticipated load. Overly small cores may let oil temperatures climb under sustained stress, while oversized units can be harder to fit without modifications.

Fitment and Compatibility

Proper fitment affects installation time and reliability. A cooler designed with the Kia Soul’s engine bay dimensions and factory mounting points in mind will usually install cleanly and avoid interference with other components.

Compatibility also covers hose and port alignments. Units that require minimal adapter pieces reduce leak risk and make future servicing easier.

Core Material and Construction Quality

The core material and build quality influence longevity and resistance to corrosion and vibration. Aluminum cores are common because they balance weight, thermal conductivity, and corrosion resistance, but weld quality and brazing method are also important.

Examine construction details such as reinforced end tanks and quality brazing. Poorly made cores or weak joints are more likely to develop leaks over time.

Hoses, Lines, and Connections

The integrity of oil cooler lines and fittings is critical to prevent leaks and maintain oil pressure. Choose systems that use durable, crush-resistant lines and high-quality fittings designed for automotive oil service.

Consider whether the kit includes replacement lines or uses reusable fittings. Easier access to connections and standard thread sizes simplifies maintenance and reduces the chance of installation errors.

Installation Complexity and Hardware

Installation difficulty can vary from simple bolt-on replacements to kits that require additional brackets, adapters, or minor trimming of surrounding components. Assess whether you have the tools and skills needed or if you will need professional help.

Kits that include clear instructions, all necessary mounting hardware, and common adapters reduce installation time and the risk of incorrect assembly. Also consider alignment of mounting points to avoid stress on lines and fittings.

Maintenance, Serviceability, and Failure Modes

Think about long-term serviceability when selecting a cooler. Access to the cooler and connections affects how easily you can inspect for oil cooler leak symptoms or swap a failing core.

Pay attention to expected wear points such as hose clamps, adapter seals, and welds. Choose designs that make routine checks straightforward and that do not require extensive disassembly to reach common failure areas.

FAQ

How do I tell if my Kia Soul needs an oil cooler replacement?

Common oil cooler leak symptoms include oil spots under the vehicle, visible oil on the cooler or surrounding components, and unexplained oil loss. You may also see higher than normal oil temperatures during heavy use. If you notice these signs, inspect cooler lines and connections before assuming the core itself is the issue.

Can I install an oil cooler myself or should I seek professional help?

Installation complexity depends on the kit. Some units are bolt-on with full hardware and clear instructions, making them feasible for experienced DIYers. Other installations require trimming, adapter fittings, or dropping components for access, in which case professional installation reduces risk of leaks and improper fitment.

Does adding an oil cooler affect engine oil pressure or performance?

A properly sized and installed oil cooler should not significantly affect oil pressure. However, long or restrictive lines and incorrect fittings can introduce pressure drop. Choose kits designed for your vehicle to minimize flow restriction and maintain normal system performance.

How often should I inspect the oil cooler and lines?

Inspect the cooler and lines during regular maintenance intervals or anytime you see signs of oil loss or elevated oil temperatures. A quick visual check for leaks, damaged hoses, and loose fittings every few oil changes helps catch issues early and prevents larger failures.

Are there special considerations when towing with a Kia Soul?

Towing increases thermal load on the engine and transmission, so cooling capacity becomes more important. If you plan to tow regularly or carry heavy loads, prioritize coolers with higher heat rejection and robust line connections to handle sustained higher temperatures.

How We Chose the Best Kia Soul Oil Cooler

We shortlisted products by prioritizing fitment compatibility with the Kia Soul and measurable cooling performance. Key evaluation criteria included cooling capacity under sustained load, construction quality of the core and lines, integration with the vehicle’s existing oil/gallery connections, and long-term durability under thermal cycling. We also checked ease of installation, the availability of mounting hardware or adapters, and resistance to common failure modes like leaks or line fatigue. Items were excluded if they lacked documented fitment information for the Kia Soul, relied on non-durable materials for the core or lines, or required extensive vehicle modification beyond typical bolt-on installation. The resulting list focuses on units that balance effective heat rejection, reliable sealing, and practical fitment for typical Kia Soul engine bays.

Our full evaluation process is outlined in our review methodology.

Conclusion

Choosing the right Kia Soul oil cooler means balancing cooling performance, fitment simplicity, and long-term reliability. Prioritize units that match your driving habits—higher cooling capacity for towing or hot-weather use, and compact, well-fit designs for everyday driving. Also weigh installation complexity and serviceability so future maintenance is straightforward. By focusing on core construction, hose quality, and verified compatibility, you can select a cooler that reduces oil temperatures and helps protect the engine over time.

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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.