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If you drive a Ram 2500 hard, the right oil cooler can help keep temperatures in check during towing, hauling, or extended idling. You need components that reduce oil breakdown and preserve engine life under load. This guide presents seven shortlisted Ram 2500 oil cooler options selected for their cooling capacity, durability, and fitment relevance. Below we explain the criteria used to evaluate these top picks and what to look for when choosing the right unit for your truck.
Looking for other parts? See all Ram 2500 parts & accessories.
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) |  |
| Most Popular A crowd favorite that many people choose with confidence | Somusen Aluminum Engine Oil Filter Housing Kit with Oil Cooler and Sensors |  |
| Best Quality Built to a higher standard if you want something more solid | PartsFlow Transmission Oil Cooler compatible with Dodge Ram 2500/3500 5.9L/8.0L |  |
| Best Budget The cheapest option that still gets the job done reliably | keriolee Aluminum Engine Oil Cooler with Oil Filter Housing Adapter (3.6L) |  |
| Most Sold A high-volume bestseller chosen again and again | YITHSWAY Aluminum Engine Oil Cooler and 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 Cooler |  |
| Best Overall The best all-around choice for most situations | MNJWS Aluminum Oil Filter Housing and Cooler Kit for 3.6L Pentastar Engines |  |
1. YITHSWAY Aluminum Engine Oil Cooler and Filter Housing Adapter (3.6L)
| Material | Aluminum |
|---|---|
| Product Grade | Replacement Part |
| Vehicle Service Type | Car, Sports Utility Vehicle, Truck, Van |
| Position | Front |
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.
- 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
- 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
| Material | Aluminum |
|---|---|
| Thread Size | M16 x 1.5 |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer Part Number | 5184294AE |
This Somusen kit replaces the factory plastic oil filter housing with a machined aluminum housing plus an integrated oil cooler, oil filter, O-rings and sensors to address common cracking and coolant/oil leaks. It is typically used as a direct replacement when the original housing fails or when upgrading to a more durable unit. The aluminum construction and stacked-plate cooler design aim to lower oil temperatures and resist the cracking issues of the plastic original. Included sensors and a filter can save parts hunting, but several owners report swapping the supplied sensors and gaskets for OEM-quality equivalents to avoid engine codes or leaks. Installation is service-level work that requires draining oil and coolant, careful gasket/seal prep, and time to bleed the cooling system. Buyers get a stronger, longer-lasting housing and improved cooling, but expect to spend extra time or money on higher-quality seals or sensors in some installs to ensure trouble-free operation.
Best for: Practical, convenience-driven buyers who want a durable, drop-in replacement that reduces future failures and minimizes parts sourcing hassle.
Less Ideal for: Buyers who prefer a guaranteed factory-quality swap without additional parts or those unwilling to perform a moderately involved DIY installation should consider alternatives.
- All-aluminum housing reduces risk of the plastic housing cracking and leaking
- Integrated oil cooler with multi-plate design improves oil temperature control
- Includes oil filter, sensors and basic gaskets for a one-package replacement
- Fits the listed 3.6L vehicle applications as a vehicle-specific replacement
- Some customers report the supplied sensors and gaskets are lower quality and may need replacement to avoid codes or leaks
- Installation is time consuming and requires draining oil and coolant and careful sealing
Verdict A cost-effective aluminum upgrade that fixes the plastic housing failure issue but may require OEM-quality gaskets or sensors for a trouble-free install.
3. PartsFlow Transmission Oil Cooler compatible with Dodge Ram 2500/3500 5.9L/8.0L
| Vehicle fitment | Dodge Ram 2500/3500 2003–2009 (5.9L L6, 8.0L V10 where specified) |
|---|---|
| Reference numbers | 52028915AE, 918-233, 19086, CH4050120 |
| Material | Aluminum |
| Package contents | 1 Transmission Cooler |
This PartsFlow transmission oil cooler is a factory-replacement style cooler built to fit 2003–2009 Dodge Ram 2500/3500 5.9L and 8.0L engines. It installs in place of the original cooler and is used to reduce transmission fluid temperature under load, which is especially important when towing or hauling heavy loads. The cooler is aluminum construction and includes the transmission thermostat according to user feedback, giving faster warm-up and protected flow control. Buyers report largely trouble-free, bolt-in fitment with OEM-style mounting points, though a few owners noted minor tube positioning adjustments were needed during installation. The practical benefits are lower operating temperatures during sustained towing and a direct-fit replacement that restores cooling capacity without custom plumbing. Limitations are that fitment is limited to specified Ram 2500/3500 years and engines and that some installation finesse may be required to align lines precisely on certain trucks.
Best for: Performance-focused owners who tow or haul regularly and prioritize maintaining lower transmission temperatures to protect the transmission during heavy-duty use.
Less Ideal for: Casual drivers who do little towing or those with model years or engine options outside the listed fitment should consider other options or verify compatibility before buying.
- Direct-fit design for 2003–2009 Ram 2500/3500 for straightforward replacement
- Aluminum construction improves heat dissipation compared with older or corroded coolers
- Includes transmission thermostat to manage fluid warm-up and flow
- Reported OEM-style mounting and fast long-distance towing performance by users
- Compatibility strictly limited to listed Ram 2500/3500 model years and engine options
- May require minor tube bending or adjustment during installation for ideal alignment
Verdict A performance-minded, direct-fit aluminum transmission cooler for 2003–2009 Ram 2500/3500 that lowers fluid temps during towing but requires exact fitment verification.
4. keriolee Aluminum Engine Oil Cooler with Oil Filter Housing Adapter (3.6L)
| Material | Aluminum |
|---|---|
| Vehicle Service Type | Car, Sports Utility Vehicle |
| Product Grade | Performance Part |
| OEM Part Number | 5184294AC, 68295556AA, 68308741AF, 926-876, 926-959 |
This aluminum oil cooler with integrated oil filter housing replaces the factory plastic housing to reduce leak and crack failure on 3.6L Pentastar V6 engines. It arrives with the oil filter preinstalled and includes formed gaskets and sensor ports so a technician can swap the assembly in place of the original housing. In use the aluminum construction improves resistance to heat and mechanical damage compared with plastic housings, and reviewers report fewer leaks and long service life when installed carefully with clean mating surfaces. Fitment is intended for 2017–2018 Ram 1500 and other 3.6L vehicles listed, but when applied to a Ram 2500 with the same 3.6L engine this part provides a more durable factory-replacement style option. Limitations to be aware of: some buyers found the supplied seals or sensor connector fitment imperfect and one report noted a cracked unit on arrival, so inspect the part and seals during install and be prepared to source the correct oil pressure sensor connector or replacement gasket if needed.
Best for: Convenience-driven buyers who want a straightforward, longer-lasting replacement that minimizes repeat repairs and simplifies oil-filter service for their 3.6L-equipped Ram.
Less Ideal for: Buyers who prefer guaranteed perfect OEM fitment from a dealer source or who need a part with verified plug-and-play sensor connectors without any chance of minor fitment adjustments.
- Aluminum construction is more durable than factory plastic housings and resists cracking.
- Preinstalled oil filter and integrated housing reduce install steps and simplify replacement.
- Designed as a direct-fit, factory-style replacement for 3.6L Pentastar V6 applications.
- Multiple reviewers report reliable leak-free performance when installed with care.
- Some units arrived with cracks or defects according to at least one report, indicating variable quality control.
- Supplied seals and sensor connector may not always match OEM fit and could require replacement or modification.
Verdict A more durable aluminum replacement for the 3.6L oil filter housing that simplifies service but check seals and connectors during installation.
5. YITHSWAY Aluminum Engine Oil Cooler and Filter Housing Adapter (3.6L)
| Material | Aluminum |
|---|---|
| Thread Size | M16 x 1.5 |
| Product Grade | Replacement Part |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 68105583AF |
This aluminum oil cooler and filter housing adapter replaces the common plastic unit on 3.6L Pentastar engines and is intended to stop leaks and improve durability. It arrives as a complete assembly with the oil cooler, filter housing, oil filter, pressure and temperature sensors, O-rings, gaskets, and mounting hardware so you can swap it in without sourcing extra parts. In practice the machined aluminum body resists heat and warping that often causes plastic housings to crack, and reviewers report straightforward installs and resolved oil leaks and engine fault codes when fitted correctly. The included sensors and seals simplify reassembly, but buyers should follow proper torque specs and coolant/bleeding procedures during installation. This is an aftermarket replacement, so long-term fit and sensor calibration can vary by vehicle; expect to confirm part compatibility and verify that supplied sensors match factory connectors before installing. For a risk-averse buyer this offers a more durable alternative to the factory plastic housing but requires careful installation to avoid coolant or oil system issues.
Best for: A risk-averse mainstream buyer who wants a more durable, lower-failure replacement for the fragile plastic oil filter housing on 3.6L Pentastar engines and prefers a ready-to-install kit. Ideal for owners who prioritize reliability and avoiding repeat repairs over sticking with the original plastic design.
Less Ideal for: Not for users who prefer only factory-branded parts or who are unwilling to verify sensor pinouts and follow installation procedures closely; professionals seeking an OEM-stamped component may prefer a dealer-sourced unit.
- Complete kit includes cooler, housing, oil filter, pressure and temperature sensors, O-rings, gaskets, and mounting bolts for one-stop installation.
- Machined aluminum construction resists heat and warping that commonly causes plastic housings to crack and leak.
- Comes pre-drilled and supplied with the fasteners and seals needed to replace the factory unit without extra parts.
- Designed specifically for the 3.6L engine family, simplifying fitment checks for compatible vehicles.
- Aftermarket sensors may differ from factory sensors so electrical compatibility should be confirmed before installation.
- Long-term durability and corrosion resistance depend on local conditions and may not match higher-cost OEM metal options.
- Installation requires careful torquing and coolant bleeding; improper fitment can cause leaks or engine faults.
Verdict A complete aluminum replacement kit that upgrades the fragile plastic housing on 3.6L engines to reduce leaks and repeat repairs while requiring careful fit verification and installation.
6. GAOBEN 926-876/926-959 Aluminum Engine Oil Filter Housing with Cooler
| Brand | GAOBEN |
|---|---|
| Material | Aluminum |
| Thread Size | M16 x 1.5 |
| Product Grade | Replacement 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.
- 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
- 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
| Material | Aluminum |
|---|---|
| Thread Size | M16 x 1.5 |
| Vehicle Service Type | Chrysler/Dodge/Jeep/Ram 3.6L Pentastar applications |
| Number of Items | 1 |
This aluminum oil filter housing and cooler kit replaces the factory plastic housing on 3.6L Pentastar engines and is intended to stop common oil leaks and keep engine oil cooler. It installs in the same location as the original unit and ships as a complete assembly with seals, bolts, and an oil filter in many kits so you can replace the housing in a single service. The reinforced aluminum construction resists warping from heat better than plastic housings and can reduce repeat leaks that often show up around the oil cooler area. Several buyers reported an easy, bolt-on installation and fixed leaks immediately. Potential limitations to watch for are the included sensors and oil filter, which in some cases do not match factory parts and may need swapping from the original unit, and a few reports of defective sensors or cheap included filters that caused issues. If you plan to have a shop install the part, confirm sensor compatibility before hand to avoid extra labor later.
Best for: Buyers who want a durable, long-lasting replacement for recurring oil filter housing leaks and prefer a balanced, value-focused upgrade that reduces the chance of repeat failures.
Less Ideal for: Users who need guaranteed exact-match factory sensors or who must rely on a shop warranty for supplied parts should consider purchasing OEM parts or sourcing compatible sensors separately.
- Aluminum construction more resistant to heat and corrosion than factory plastic housings
- Sells as a complete housing assembly with gaskets, bolts, and often an oil filter for one-step replacement
- Direct-fit design for Chrysler 3.6L Pentastar applications to address common oil cooler housing leaks
- Included hardware and some preinstalled sensors can simplify a DIY replacement
- Some supplied sensors or the included oil filter may not match factory fittings and require reusing original parts
- A few customers reported faulty sensors or incompatible fittings that required additional parts or shop labor
- Not all kits are identical—quality of included small parts varies between units
Verdict A practical aluminum replacement that fixes common oil cooler housing leaks on 3.6L Pentastar engines, but confirm sensor and filter compatibility before installation.
Choosing the Right Ram 2500 Oil Cooler: Key Factors to Consider
Cooling Capacity
Cooling capacity determines how much heat an oil cooler can remove from circulating oil and directly affects oil temperature under load. A higher capacity unit reduces peak oil temperature during towing or prolonged high-load operation, which helps limit oil breakdown and preserve lubrication properties.
When evaluating capacity, consider the typical loads you run and whether the cooler is rated for continuous heavy use. Capacity often correlates with core size and fin density, but ducting, airflow, and installation location also matter. Make sure the chosen cooler can handle the thermal load you expect without causing oil starvation or excessive pressure drop.
Core Design and Material
The core design and construction material influence heat transfer efficiency, durability, and resistance to corrosion. Common core types include stacked-plate and tube-and-fin styles, each with tradeoffs in surface area, airflow resistance, and space requirements.
Aluminum cores are lightweight and conductive but should feature proper coatings or anodizing to resist corrosion in harsh environments. A well-designed core balances fin density for heat exchange with flow characteristics to avoid undue pressure loss and to maintain consistent oil circulation.
Fitment and Compatibility
Fitment matters because the cooler must interface correctly with the Ram 2500's existing oil lines, fittings, and mounting points. Proper compatibility ensures secure connections, correct hose routing, and avoids interference with other underhood components.
Check whether adapters or different line fittings are required and how the unit mounts in the available space. Misfit coolers can increase installation complexity and risk leaks or stress on hoses, so confirm line sizes, thread types, and clearance before choosing a model.
Installation and Serviceability
Installation complexity affects cost, downtime, and whether you can install the cooler yourself or need professional help. Units designed for straightforward bolt-on mounting and with clear instructions reduce installation time and the chance of mistakes.
Serviceability includes access to the core for cleaning, the availability of replacement cores or gaskets, and how easy it is to inspect hoses and fittings. A design that allows periodic maintenance without major disassembly will lower lifecycle hassles and extend effective service life.
Pressure Drop and Flow Characteristics
An oil cooler must exchange heat without causing excessive pressure drop in the lubrication circuit. Too much restriction can reduce oil flow to critical engine parts, negating the benefits of cooling and risking component wear.
Look for specifications or test data on flow loss at typical operating flow rates, and consider designs that use larger port sizes or optimized internal passages to maintain adequate flow. Ensure the cooler works with your oil pump and filter set up to preserve required oil pressure.
Durability and Corrosion Resistance
Durability affects how well the cooler withstands road debris, vibration, and extended exposure to moisture and salts. Corrosion resistance is especially important in regions with winter road treatment or marine environments.
Consider protective coatings, anodized finishes, and robust mounting brackets that reduce fatigue. Components like braided hoses, reinforced fittings, and replaceable cores contribute to long-term reliability and fewer unexpected failures under heavy use.
FAQ
How do I know if my Ram 2500 needs an oil cooler?
Look for signs such as higher-than-normal oil temperatures during towing, frequent oil breakdown, or engine overheating under sustained loads. Other indicators include dark, burned-smelling oil after heavy use or recurring maintenance needs that point to thermal stress. If you often tow heavy loads or operate in hot climates, adding or upgrading an oil cooler is commonly beneficial.
Can I install an oil cooler myself or should I get a mechanic?
Installation difficulty depends on the cooler design and your mechanical experience. Some bolt-on units with clear instructions and compatible fittings are suitable for experienced DIYers. More complex installs that require line modifications, rerouting, or working in tight spaces are often better handled by a professional to ensure leak-free connections and proper oil pressure.
Will adding an oil cooler affect engine oil pressure?
A properly sized oil cooler should not significantly reduce oil pressure, but highly restrictive cores or improperly matched hose sizes can cause pressure drop. Choose a cooler with appropriate port sizes and confirmed flow characteristics for your Ram 2500 to maintain adequate lubrication. Monitoring oil pressure after installation is a prudent step.
How often should an oil cooler be inspected or maintained?
Inspect the cooler and connections periodically, especially after heavy towing seasons or off-road use. Check for leaks, damaged fins, and secure mounting. Cleaning debris from the core and replacing worn hoses or fittings as needed will help maintain performance and reduce the risk of failure.
What are common oil cooler leak symptoms?
Common signs include visible oil around the cooler, wet hoses, a drop in oil level, or oil spots under the vehicle. You might also see cross-contamination in systems where lines run near other fluids. If you notice unusual oil loss or pressure changes, inspect connections and the cooler core promptly to avoid engine damage.
Is an auxillary or larger oil cooler better for towing?
A larger or auxiliary cooler can offer greater heat capacity for sustained towing, but it also requires sufficient airflow and correct plumbing to be effective. Larger units can increase pressure drop or complicate installation if not matched to the vehicle. Prioritize a balanced solution that improves cooling without compromising oil flow or adding excessive installation complexity.
How We Chose the Best Ram 2500 Oil Cooler
We focused on components that directly affect oil temperature control, reliability, and serviceability for heavy-duty use. Key evaluation criteria included cooling capacity under sustained load, construction materials and corrosion resistance, core design and fin density for heat transfer, compatibility with factory oil lines and fittings, and ease of installation for common shop or DIY workflows. We also considered maintenance factors such as access for cleaning and the availability of replacement cores or lines.Products were excluded if they lacked clear fitment information for the Ram 2500, used substandard materials prone to corrosion, or did not offer measurable improvements in oil cooling performance for towing scenarios. We prioritized solutions intended for repeated heavy use, while deprioritizing one-off or poorly documented units with unknown longevity. The result is a curated list of seven high-quality oil coolers that meet the demands of Ram 2500 owners who need dependable temperature control and reliable operation.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right Ram 2500 oil cooler means balancing cooling capacity, fitment, and long-term durability. Prioritize units that provide sufficient heat rejection for your towing profile while preserving oil flow and offering corrosion-resistant construction.Pay attention to installation requirements and serviceability so maintenance is straightforward. When you match cooling performance to your typical loads and operating conditions, you get more reliable oil temperatures and longer engine life.
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