7 Best Oil Coolers for Jeep Wrangler: Improve Cooling And Protect The Engine

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

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Upgrading or replacing the right Jeep Wrangler oil cooler matters because under heavy loads or towing, oil temperatures can climb and shorten engine life. You want a unit that maintains steady oil temperature, resists leaks, and fits cleanly into the Wrangler's cooling layout. This guide highlights seven shortlisted oil coolers chosen for their cooling performance, build quality, and vehicle-specific fitment. We evaluated each option for cooling capacity and installation practicality to help you pick a long-lasting solution. Read on for the criteria we used and what to watch for when choosing an oil cooler.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
YITHSWAY Aluminum Engine Oil Cooler and Filter Housing Adapter (3.6L)YITHSWAY Aluminum Engine Oil Cooler and Filter Housing Adapter (3.6L)
Most Popular
A crowd favorite that many people choose with confidence
Somusen Aluminum Engine Oil Filter Housing Kit with Oil Cooler and SensorsSomusen Aluminum Engine Oil Filter Housing Kit with Oil Cooler and Sensors
Best Quality
Built to a higher standard if you want something more solid
BELKEBIR Upgraded Aluminum Engine Oil Cooler & Filter Housing (3.6L)BELKEBIR Upgraded Aluminum Engine Oil Cooler & Filter Housing (3.6L)
Best Budget
The cheapest option that still gets the job done reliably
XINLIN 926-959 Aluminum Engine Oil Filter Housing with Oil CoolerXINLIN 926-959 Aluminum Engine Oil Filter Housing with Oil Cooler
Most Sold
A high-volume bestseller chosen again and again
YITHSWAY Aluminum Engine Oil Cooler and Oil Filter Housing Adapter (3.6L)YITHSWAY Aluminum Engine Oil Cooler and Oil Filter Housing Adapter (3.6L)
Best Value for Money
The sweet spot between price and what you get
GAOBEN 926-876/926-959 Aluminum Engine Oil Filter Housing with CoolerGAOBEN 926-876/926-959 Aluminum Engine Oil Filter Housing with Cooler
MNJWS Aluminum Oil Filter Housing and Cooler Kit for 3.6L Pentastar EnginesMNJWS Aluminum Oil Filter Housing and Cooler Kit for 3.6L Pentastar Engines

1. YITHSWAY Aluminum Engine Oil Cooler and Filter Housing Adapter (3.6L)

YITHSWAY Aluminum Engine Oil Cooler and Filter Housing Adapter (3.6L)
Best Reviewed
An aluminum replacement oil cooler and filter housing assembly designed as a direct-fit replacement for select 3.6L Jeep and Chrysler vehicles.
MaterialAluminum
Product GradeReplacement Part
Vehicle Service TypeCar, Sports Utility Vehicle, Truck, Van
PositionFront

This YITHSWAY assembly replaces the plastic oil cooler and filter housing with a machined aluminum unit that comes preassembled with sensors, gaskets, bolts, and an oil filter for a ready-to-install swap. It is used where the original plastic housing has cracked or leaked; installers report the bolt holes and sensor ports line up and the included hardware simplifies the job. The aluminum construction improves heat and corrosion resistance compared with plastic housings and should reduce repeat failures and oil leaks. Included sensors and multiple seals mean fewer missing parts during installation, and the package contains extra gaskets and mounting bolts. Limitations: as an aftermarket part it may require careful verification of the exact factory part number before ordering, and some buyers note the supplied oil filter may not match every vehicle year so you may prefer to reuse your original filter or fit the correct aftermarket filter. Professional installation or adherence to torque specs is recommended to avoid seal issues.

Best for: Reliability-focused buyers who prioritize long-term durability over short-term cost and want a stronger, heat-resistant upgrade to replace a failing plastic housing on their Jeep Cherokee 3.6L.

Less Ideal for: Buyers who prefer dealer-sourced factory parts or those unwilling to verify part numbers and fitment before installation should consider alternatives.

Pros:
  • Machined aluminum construction reduces heat-related warping and corrosion compared with plastic housings
  • Arrives as a complete assembly with sensors, gaskets, bolts, and an oil filter to simplify installation
  • Multiple included gaskets and hardware lower the chance of missing parts during replacement
  • Many buyers report direct fitment and elimination of prior oil leaks
Cons:
  • May require verifying exact factory part number because fitment can vary by year and submodel
  • Supplied oil filter may not match every vehicle year so filter replacement choice could be needed

Verdict A durable aluminum replacement assembly that addresses common plastic-housing failures and is a practical reliability upgrade for affected Jeep Cherokee 3.6L owners.

2. Somusen Aluminum Engine Oil Filter Housing Kit with Oil Cooler and Sensors

Somusen Aluminum Engine Oil Filter Housing Kit with Oil Cooler and Sensors
An all-aluminum replacement oil filter housing and oil cooler kit that includes sensors, gaskets, and a filter for compatible 3.6L/3.2L Jeep Wrangler and other vehicle fitments from 2011–2016.
BrandSomusen
MaterialAluminum
Thread SizeM16 x 1.5
Automotive Fit TypeVehicle Specific Fit

This Somusen kit replaces the factory plastic oil filter housing and integrates an oil cooler, filter housing, sensors, and sealing components in an all-aluminum assembly. Typical use is as a direct replacement when the original housing cracks or leaks; installers report it drops into place and restores oil and coolant routing while adding cooling capacity. Notable features are the aluminum construction and a cross double-layer cooler plate design intended to improve oil cooling efficiency, plus included sensors and an oil filter to simplify the repair. Practical benefits include better resistance to cracking compared with plastic housings and potential for lower oil temperatures under load. Important limitations: several users found the supplied sensors and gaskets are lower quality and recommend swapping in OEM or higher-grade seals and sensors to avoid error codes or leaks, and a few buyers reported early failures on some units. Installation can be time consuming and may require bleeding coolant and care with O-rings to avoid messes.

Best for: Buyers who prioritize convenience and want a drop-in, longer-lasting replacement that reduces the chance of repeat repairs and saves them workshop hours on a Jeep Wrangler.

Less Ideal for: Drivers who prefer guaranteed factory-fit components or want a plug-and-play solution without swapping gaskets or sensors should consider a higher-end branded replacement or a dealer part.

Pros:
  • All-aluminum housing resists cracking better than original plastic units.
  • Integrated oil cooler uses multi-layer plates to improve cooling efficiency under load.
  • Includes sensors and an oil filter to make replacement more convenient.
  • Many buyers report good fitment and straightforward installation for the 2012–2016 Wrangler.
Cons:
  • Supplied O-rings and gaskets are often lower quality and commonly replaced with OEM seals.
  • Included sensors have produced error codes for some vehicles, requiring OEM sensor swaps.
  • A minority of units have reported premature failure or quality control issues.

Verdict A cost-effective aluminum upgrade for Jeep Wranglers that improves durability and cooling but often benefits from replacing the kit's sensors and seals with OEM-quality parts.

3. BELKEBIR Upgraded Aluminum Engine Oil Cooler & Filter Housing (3.6L)

BELKEBIR Upgraded Aluminum Engine Oil Cooler & Filter Housing (3.6L)
Best Quality
An upgraded aluminum oil cooler and filter housing designed as a direct replacement for 3.6L engines in select 2012–2016 Jeep Wrangler models.
BrandBELKEBIR
ModelOil cooler 926-959 with Oil Cap
Manufacturer Part Number5184294AE
OEM Part Number926-876, 926-959
Compatible Engine3.6L

This aluminum oil cooler and filter housing replaces the factory plastic unit and combines the oil cooler and filter housing into a single, direct-replacement assembly for 3.6L Jeep Wrangler engines. Intended for use when the original housing leaks or to reduce future leak risk, it installs where the factory unit mounts and comes with preinstalled O-rings, sensors, bolts, and intake gaskets to simplify fitment. The aluminum construction reduces thermal expansion compared with plastic and should resist corrosion and cracking that cause oil and coolant leaks on high-mileage engines. Buyers should plan for a moderately involved repair with some mechanical experience and time for draining/cleaning oil and coolant—installation is straightforward if you have the right tools, but improper sealing can still cause leaks. Quality control appears generally good based on many user reports, though a few customers experienced casting or fitment issues that required replacement. For performance-minded owners wanting a more robust housing than the original, this offers a practical upgrade with common-sense installation caveats.

Best for: Performance-oriented owners looking to replace a failing housing with a more durable, metal upgrade to reduce repeat repairs and keep a 3.6L Wrangler running reliably under demanding use.

Less Ideal for: Owners who prefer to avoid hands-on repairs or who want a guaranteed factory-sourced replacement should consider having a professional perform the swap or choosing a dealer-sourced housing instead.

Pros:
  • Aluminum construction reduces risk of cracking and thermal deformation compared with the original plastic housing
  • Ships with preinstalled O-rings, sensors, bolts, and gaskets to simplify installation
  • Direct-fit replacement for the 3.6L Wrangler engine to restore proper oil/coolant sealing
  • Includes the oil cooler and filter housing in one assembly so you replace all failure points at once
Cons:
  • Requires moderate mechanical skill and time to install—prep and fluid handling needed to avoid contamination
  • A small number of users reported casting or fitment defects leading to leaks

Verdict A sturdier aluminum replacement for the 3.6L Wrangler oil cooler and filter housing that cuts the weak point of plastic housings but needs careful installation and inspection for casting fitment.

4. XINLIN 926-959 Aluminum Engine Oil Filter Housing with Oil Cooler

XINLIN 926-959 Aluminum Engine Oil Filter Housing with Oil Cooler
Best Budget
An aluminum replacement oil filter housing with integrated oil cooler designed to replace failure-prone plastic housings on compatible Jeep and Chrysler vehicles.
MaterialAluminum
Thread Size16mm
Product GradePerformance Part
Automotive Fit TypeVehicle Specific Fit

This XINLIN aluminum oil filter housing replaces the factory plastic unit and adds an integrated oil cooler to improve durability and thermal control. It is supplied as a complete kit with the housing, oil filter, cooler, cap, multiple gaskets and O-rings, and the temperature and pressure sensors needed to finish installation. For a Jeep Wrangler, the aluminum construction reduces risk of cracking compared with plastic housings and the included cooler helps keep oil temperatures lower under towing or off-road loads. Installation is a direct vehicle-specific fit but may require transferring or replacing sensors and careful gasket sealing to prevent leaks. User reports show generally good fit and improved longevity, though there are isolated quality-control complaints about seal and plug leaks and at least one report of a sensor fault after installation. This unit is best for DIY owners who want a sturdier, budget-friendly replacement that also adds cooling, but expect to check seals and connectors during installation.

Best for: Budget-conscious owners who prioritize a cost-effective, longer-lasting replacement and modest oil-temperature improvement for a Jeep Wrangler used for towing or light off-road work.

Less Ideal for: Owners seeking guaranteed factory-quality parts or who prefer plug-and-play dealer replacements without any risk of additional sensor or sealing work should consider OEM alternatives.

Pros:
  • Durable aluminum construction reduces likelihood of cracks compared with stock plastic housings.
  • Includes oil cooler and necessary hardware such as filter, gaskets, O-rings, and sensors for a more complete installation.
  • Vehicle-specific fitment aims for straightforward replacement on supported models, simplifying DIY installation.
  • Good value for budget-focused buyers offering an upgrade over factory plastic at a lower cost than dealer parts.
Cons:
  • Some buyers reported leaks from cooler gallery plugs or seals indicating variable quality control.
  • A few reports of sensor failures after installation mean you may need to swap sensors from the old unit or source replacements.
  • Fitment is vehicle-specific so ensure exact model/year compatibility for your Wrangler before installation.

Verdict A budget-friendly aluminum upgrade for Jeep Wrangler owners wanting stronger, cooler-running oil system hardware, but inspect seals and sensors during installation.

5. YITHSWAY Aluminum Engine Oil Cooler and Oil Filter Housing Adapter (3.6L)

YITHSWAY Aluminum Engine Oil Cooler and Oil Filter Housing Adapter (3.6L)
Most Sold
An aluminum replacement oil cooler and filter housing assembly designed to replace the plastic unit on 3.6L Chrysler-family engines and include sensors, gaskets, and a filter for a ready-to-install swap.
BrandYITHSWAY
MaterialAluminum
Thread SizeM16 x 1.5
Product GradeReplacement Part

This aluminum engine oil cooler with integrated oil filter housing replaces the common plastic housing used on 3.6L Pentastar engines and is aimed at stopping leaks and improving long-term durability. It ships as a complete assembly with the cooler, filter housing, oil filter, pressure and temperature sensors, gaskets, O-rings, and mounting hardware so you can install it as a single unit. In typical use on a Jeep Wrangler with the 3.6L V6 the machined aluminum body resists heat and corrosion better than factory plastic pieces, which reduces the chance of future cracking and oil loss. The included sensors and seals simplify installation, but buyers should confirm part compatibility with their vehicle and follow correct torque and cooling-bleeding procedures. Because it is an aftermarket replacement, sensor quality and exact fit can vary slightly compared with factory parts, so expect to double-check seal seating and bolt torque during installation.

Best for: Risk-averse mainstream buyers who prioritize a reliable, longer-lasting repair over repeatedly replacing a cracked plastic housing and want a ready-to-install replacement that reduces the chance of future oil leaks.

Less Ideal for: Buyers who prefer dealer-sourced factory parts or need guaranteed factory-spec sensor calibration should consider a factory-quality replacement instead.

Pros:
  • Machined aluminum construction resists heat and corrosion better than plastic housings.
  • Ships as a complete kit including oil filter, pressure and temperature sensors, gaskets, O-rings, and mounting bolts.
  • Designed to address common oil leaks on 3.6L Chrysler-family engines by replacing the failure-prone plastic housing.
  • Many buyers report straightforward installation and immediate resolution of leak-related engine codes.
Cons:
  • Aftermarket part so fitment and sensor calibration may require careful verification against the vehicle before installation.
  • Does not explicitly state OEM equivalence for sensors or long-term durability compared with factory assemblies.

Verdict A practical aluminum upgrade for the 3.6L Wrangler that replaces the fragile plastic housing with a complete kit to reduce leaks and future repeat repairs.

6. GAOBEN 926-876/926-959 Aluminum Engine Oil Filter Housing with Cooler

GAOBEN 926-876/926-959 Aluminum Engine Oil Filter Housing with Cooler
Best Value for Money
An aluminum replacement oil filter housing with integrated cooler designed to stop leaks and replace the factory plastic unit on compatible 3.6L engines.
BrandGAOBEN
MaterialAluminum
Thread SizeM16 x 1.5
Product GradeReplacement Part

This GAOBEN oil filter housing replaces the original plastic assembly with a machined aluminum unit and an integrated oil cooler to address common leaking and cracking problems. It is installed in the engine bay in place of the factory housing and routes oil through the cooler while providing mounting for the filter and sensors. Buyers get a heavier duty housing that resists warping and leakage better than plastic, and many users report straightforward installation and included seals and sensors reduce parts hunting. Some customers needed to swap sensor plugs from their old unit because connector shapes can vary, so expect minor electrical fitment work in a few cases. The aluminum construction improves durability and should reduce the chance of repeat repairs, but installation is involved and requires careful sealing and correct sensor connections to avoid error codes or leaks. For technicians and DIYers replacing a failing plastic housing this is a practical, longer-lasting upgrade that focuses on reliability rather than luxury finishes.

Best for: Practical optimizers who prioritize a durable, cost-effective repair that reduces the odds of repeating a leak repair and who are comfortable with a hands-on installation.

Less Ideal for: Buyers looking for a drop-in plug-and-play swap with guaranteed sensor connector fit or those unwilling to tackle a multi-hour job should consider alternatives or professional installation.

Pros:
  • Aluminum body resists cracking and warping common to factory plastic housings
  • Integrated oil cooler replaces the plastic assembly for a more durable solution
  • Includes seals and sensors which simplifies installation and reduces additional purchases
  • Machined exterior suggests better fit and finish than low-cost cast alternatives
Cons:
  • Sensor connector shapes may differ from the vehicle harness requiring reuse of original sensors or minor modifications
  • Installation is labor intensive and requires careful sealing to prevent leaks

Verdict A durable aluminum replacement that fixes the known plastic-housing leak issue and delivers strong value for owners seeking a long-term repair.

7. MNJWS Aluminum Oil Filter Housing and Cooler Kit for 3.6L Pentastar Engines

MNJWS Aluminum Oil Filter Housing and Cooler Kit for 3.6L Pentastar Engines
Best Overall
An aluminum oil filter housing and cooler kit designed as a direct replacement for 3.6L Pentastar Chrysler engines to address leaks and improve heat resistance.
MaterialAluminum
Thread SizeM16 x 1.5
Automotive Fit TypeVehicle Specific Fit
Compatible Engine3.6L Pentastar

This MNJWS kit replaces the factory plastic oil filter housing on 3.6L Pentastar engines with a reinforced aluminum housing and integrated oil cooler to stop leaks and better manage oil temperature. It is used when the original housing warps or leaks, and it arrives as a complete kit with gaskets, hardware, and some sensors preinstalled so it can be dropped in during a single repair session. The aluminum construction resists heat and corrosion compared with the stock plastic unit, which should reduce repeat leaks and prolong service life. Many buyers report straightforward install and proper fit for Dodge Challenger applications, though a few found the included sensors or the supplied oil filter incompatible and had to reuse factory sensors or fit a different filter. If you plan to have a shop install the part, confirm sensor fitment first to avoid extra labor. The product is a practical upgrade for owners who want a longer-lasting, factory-replacement style fix without paying dealer prices.

Best for: Balanced owners who want a durable, longer-lasting replacement for the Challenger's plastic oil filter housing without paying dealer prices and who value a close-to-factory fit with straightforward installation.

Less Ideal for: DIYers or shops that need guaranteed plug-and-play sensor and filter compatibility for every model year should consider sourcing exact-match sensors or a factory replacement instead.

Pros:
  • Aluminum construction improves heat and corrosion resistance versus factory plastic housings
  • Includes gaskets, bolts, and an oil filter to simplify installation
  • Direct-replacement design for 3.6L Pentastar engines, matching mounting points and plumbing
  • Many buyers report reliable leak repair and good fit for Dodge Challenger applications
Cons:
  • Some included sensors or the supplied oil filter may not match every vehicle and might need to be reused or replaced
  • Not an OEM part so fitment and sensor compatibility can vary between production years

Verdict A cost-effective aluminum upgrade that stops common leaks on 3.6L Challenger engines but verify sensor and filter compatibility before installation.

Choosing the Right Jeep Wrangler Oil Cooler: Key Factors to Consider

Cooling Capacity

Cooling capacity determines how effectively an oil cooler reduces and stabilizes oil temperature during extended high-load driving or towing. Higher capacity cores remove more heat per minute, which helps maintain oil viscosity and protect bearings and seals.

When evaluating capacity, consider the expected duty cycle. Occasional city driving needs less capacity than repeated towing or off-road use. Look for clear thermal performance specs and choose a cooler sized to match your usage to avoid oil breakdown and preserve engine life.

Fitment And Compatibility

Fitment is critical because a cooler that does not align with the Wrangler's mounting points or oil lines can require extra brackets or plumbing changes. Proper compatibility reduces installation time and the chance of leaks.

Verify whether the cooler uses the stock oil lines or requires adapters. Check mounting location options and clearance with other components. A unit designed for the Jeep Wrangler will usually simplify installation and provide better long-term reliability than a universal fit cooler.

Core Design And Material

The core design and material affect heat transfer efficiency and longevity. Common core types include stacked-plate and tube-and-fin designs; each offers different tradeoffs between surface area, flow resistance, and susceptibility to clogging.

Materials such as aluminum provide good thermal conductivity and corrosion resistance when coated or treated. Pay attention to core thickness, fin density, and whether the design resists debris and road damage, since a damaged core will drastically reduce cooling performance.

Seals, Fittings, And Hose Compatibility

Seals and fittings are frequent failure points when components are stressed by vibration and thermal cycles. High-quality fittings, O-rings, and crush washers reduce the chance of oil seepage and sudden leaks.

Also confirm hose diameters and thread types to ensure compatibility with existing oil cooler lines or specified adapters. Using mismatched hoses or low-quality clamps increases the chance of leaks and can complicate future maintenance.

Installation Complexity

Installation complexity affects both the cost and the likelihood of a correct, leak-free setup. Some coolers bolt directly to factory mounting points and use the stock routing, while others need custom brackets, line rerouting, or adapter fittings.

Assess whether the job requires draining oil, disconnecting lines, or lifting components that add time and risk. If you plan to install the cooler yourself, prioritize units with clear instructions and included hardware to minimize errors.

Durability And Corrosion Resistance

Durability matters because oil coolers are exposed to road debris, salt, and moisture. Corrosion-resistant coatings, robust end tanks, and reinforced mounting points prolong service life and help avoid premature failure.

Consider how the cooler will fare in your typical environment. Coastal or winter driving calls for extra corrosion protection. A durable unit also reduces the need for future replacements and keeps maintenance simpler over the vehicle's lifetime.

FAQ

How do I know if my oil cooler needs replacement?

Often the first signs are higher-than-normal oil temperatures or visible oil spots near the cooler or lines. You may notice oil pressure fluctuations or oil on adjacent components. If you see corrosion, physical damage to the core, or persistent seepage around fittings, replacement is usually warranted.

Can I install an oil cooler myself on a Jeep Wrangler?

That depends on your mechanical skill and the specific cooler design. Some units bolt into factory locations and use stock fittings, making them feasible for experienced DIYers. More complex installs that require custom brackets, line adapters, or routing changes are better handled by a professional to ensure leak-free results.

Will adding an oil cooler affect engine oil pressure?

A properly designed and correctly plumbed cooler usually has minimal effect on oil pressure. However, small-diameter lines, restrictive fittings, or internally clogged cores can increase resistance and alter pressure readings. Use recommended line sizes and fittings to avoid unwanted pressure changes.

What maintenance does an oil cooler require?

Maintenance is generally minimal but important. Periodically inspect the core for debris or damage, check fittings and hoses for signs of wear or leaks, and ensure mounting hardware remains secure. If the cooler has an accessible external filter or screen, clean it according to the manufacturer schedule.

Is an oil cooler necessary for towing with a Jeep Wrangler?

It often depends on towing frequency and load. Regular heavy towing raises oil temperature and can accelerate wear, so many owners find an oil cooler beneficial for protecting engine components. For occasional light towing, the stock cooling may be sufficient.

How We Chose the Best Jeep Wrangler Oil Cooler

We focused on components engineered for the Jeep Wrangler platform and prioritized factors that affect in-vehicle performance and longevity. Key evaluation criteria included cooling capacity under sustained load, compatibility with factory oil lines and adapters, construction materials and corrosion resistance, ease of installation and required modifications, and robustness of seals and fittings to minimize leak risk. We excluded generic or universal coolers that lack clear Wrangler-specific fitment information or require extensive fabrication. We also filtered out units with unclear core specifications or insufficient thermal rating data. Our approach favored parts with documented fitment pathways and clear hardware or adapter compatibility to ensure the choices are practical and durable for real-world driving conditions.

Our full evaluation process is outlined in our review methodology.

Conclusion

When choosing a Jeep Wrangler oil cooler, prioritize proven cooling capacity, correct fitment, and durable construction. Balance the level of cooling you need against installation complexity and the quality of fittings and hoses. Keep in mind the tradeoffs between larger cores and potential clearance or routing challenges. Selecting a well-matched unit for your driving and towing habits will help maintain oil temperature, reduce wear, and minimize the chance of leaks 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.