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If you drive a Honda CR-V regularly, keeping oil temperatures under control matters for longevity and consistent performance. The right oil cooler helps manage thermal load during heavy traffic, long highway runs, or towing, reducing wear and preserving oil viscosity. This guide presents the shortlisted top picks for Honda CR-V oil cooler upgrades and replacements. We evaluated each option for cooling effectiveness, installation fitment, and long-term reliability to help you decide which solution fits your driving needs.
Looking for other parts? See all Honda CR-V parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | FILTERUP 8-Row Aluminum 8-Pass Transmission Oil Cooler Kit (5/16" Hose) |  |
| Most Popular A crowd favorite that many people choose with confidence | Dorman 918-140 Engine Oil Cooler |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Engine Coolant Radiator with Transmission Oil Cooler for Honda CR-V 2002–2006 2.4L Automatic |  |
| Best Budget The cheapest option that still gets the job done reliably | H-Jun Transmission Cooler Oil Tube Connector, Pack of 2 |  |
| Most Sold A high-volume bestseller chosen again and again | PHILTOP Cooling Radiator for 2007–2009 Honda CR-V (with Quick Connect Outlet, Transmission Oil Cooler Included) |  |
| Best Value for Money The sweet spot between price and what you get | A-Premium 8-Pass Aluminum Transmission Oil Cooler Kit |  |
| Best Overall The best all-around choice for most situations | EVIL ENERGY 5/16" Transmission Oil Cooler Kit, 6-Pass Aluminum Tube-and-Fin |  |
1. FILTERUP 8-Row Aluminum 8-Pass Transmission Oil Cooler Kit (5/16" Hose)
| Manufacturer | FILTERUP |
|---|---|
| Model | cooler lines |
| Item model number | 5/16 |
| Exterior | Painted |
This FILTERUP 8-row, 8-pass transmission oil cooler is a compact add-on cooler intended to reduce transmission fluid temperatures and help protect the transmission under load. Install typically involves tapping into the vehicle's 5/16" cooler lines and mounting the unit behind the bumper or in front of the radiator using the included clips, rods, foam pads and hose clamps. The T-6061 aluminum core and thin external fins provide increased heat transfer compared with a simple single-pass tube, while the supplied CPE hose and clamps make for a mostly complete kit for hookups. Practical benefits include lower operating temperatures for the transmission, reduced risk of overheating during towing or steep grades, and a relatively simple DIY installation for someone with basic mechanical skill. Limitations are that the thin fins are easy to bend or cut during handling and the mounting system may require fabrication for a secure long-term install on some vehicles, so plan for extra brackets or firmer fasteners if you prefer a factory-style mount.
Best for: Reliability-focused DIY owners who want to lower transmission temperatures on a Honda CR-V to reduce wear and prevent overheating during towing or frequent hill driving.
Less Ideal for: Buyers seeking a plug-and-play factory-quality bracket system or professional-grade mounting should consider heavier-duty kits with vehicle-specific mounts instead.
- 8-pass tube-and-fin core for improved heat dissipation compared with single-pass coolers
- T-6061 aluminum construction resists corrosion for longer service life
- Includes hoses, clamps and mounting hardware for a mostly complete installation
- Works with 5/16" ID transmission cooler lines common on many vehicles
- Thin external fins are easily bent or cut and require careful handling
- Included mounting method is basic and may need custom brackets for a secure fit
Verdict A budget-friendly 8-pass aluminum cooler that reduces transmission temperatures on 5/16" systems but may need sturdier mounting for long-term, factory-style installation on a Honda CR-V.
2. Dorman 918-140 Engine Oil Cooler
| Brand | Dorman |
|---|---|
| Vehicle Service Type | Audi, Volkswagen |
| Automotive Fit Type | Universal Fit |
| Manufacturer Part Number | 918-140 |
This Dorman engine oil cooler is a direct-replacement unit intended to match the fit and function of a factory oil cooler on specified vehicles. It is used to control engine oil temperature and prevent oil-to-coolant contamination when an original cooler has corroded, been damaged, or started leaking. The part is manufactured to meet strict specifications and includes the necessary sealing components in many cases, which simplifies installation for a DIYer or quick shop swap. Reviewers report solid fit and performance when the part matches the vehicle application, and the construction aims to provide reliable heat transfer comparable to factory-quality units. Limitations to consider are vehicle-specific fitment variations and occasional reports of seal or longevity issues on high-mileage cars, so verifying exact compatibility and inspecting mounting surfaces during install is important. Expect a useful, budget-friendly replacement that performs well when matched to the correct vehicle application.
Best for: Convenience-driven buyers who want a ready-to-install, cost-effective replacement part that gets a vehicle back on the road quickly with minimal sourcing hassle.
Less Ideal for: Owners seeking an extended-lifespan, premium OEM part for very high-mileage engines or those unwilling to verify fit and mounting surface condition before installation should consider alternatives.
- Designed as a direct replacement to match factory fit and function
- Engineered to help maintain correct engine oil temperature after cooler failure
- Included sealing components in many cases simplify installation
- Manufactured to aftermarket specifications for a cost-saving alternative to dealer parts
- Fitment and sealing can be inconsistent on some vehicle/trim combinations
- Some long-term users report failures on very high-mileage applications
Verdict A practical, budget-friendly factory-style replacement that works well when fitment is confirmed but watch for seal and longevity concerns on high-mileage engines.
3. A-Premium Engine Coolant Radiator with Transmission Oil Cooler for Honda CR-V 2002–2006 2.4L Automatic
| Vehicle fitment | Honda CR-V 2002-2006 L4 2.4L Automatic Transmission |
|---|---|
| Transmission oil cooler | Included |
| Reference numbers | 2443, 19010PPAA51, 19010PPAA52, 190PNB9011M |
| Manufacturer part number | APRAD602 |
This A-Premium radiator is a full replacement assembly designed to fit Honda CR-V 2002–2006 2.4L automatic transmissions and includes an integrated transmission oil cooler. It replaces the factory radiator to handle engine coolant flow while providing a dedicated cooler circuit for automatic transmission fluid, so it is typically used during radiator or transmission service and engine cooling system overhauls. Notable features include a built-in transmission oil cooler and factory-style inlet and outlet sizing intended to match the vehicle plumbing for straightforward installation. In real-world use the unit restores cooling capacity and lets the transmission run cooler under load, which helps when towing or in hot climates. Some buyers report long-term reliability, while others experienced premature failure near the end of the seller warranty, so expect variable longevity compared with OEM parts. Fitment to the specified CR-V is the key benefit, but buyers should plan for professional installation and verify condition on arrival before mounting.
Best for: Performance-oriented buyers who prioritize restoring or improving cooling for a 2002–2006 Honda CR-V 2.4L automatic, especially those who want the convenience of a single direct-fit assembly with a built-in transmission cooler.
Less Ideal for: Buyers seeking an exact OEM-sourced part with guaranteed factory longevity or those who prefer a heavy-duty aftermarket transmission-only cooler should consider other options.
- Includes integrated transmission oil cooler to help keep ATF temperatures down
- Designed as a direct-fit replacement for Honda CR-V 2002–2006 2.4L automatics for easier installation
- Built and tested to restore cooling system performance to factory-like operation
- Multiple customer reports of proper fit and long service life in typical driving
- Some reviewers report failures after the one-year warranty period indicating inconsistent long-term durability
- Quality and finish can vary between units so incoming inspection is recommended
Verdict A practical direct-fit radiator assembly with an integrated transmission cooler that restores cooling performance for 2002–2006 CR-V automatics, but expect variable long-term durability compared with factory parts.
4. H-Jun Transmission Cooler Oil Tube Connector, Pack of 2
| Material | Aluminum |
|---|---|
| Compatible models | Honda CR-V 2002-2006 2.4L; Honda Element 2003-2006 2.4L |
| Included components | Transmission cooler line connector x 2pcs |
| Thread | M14*1.5 |
This pair of aluminum transmission cooler oil tube connectors provides a low-cost, direct-replacement option for the transmission-to-radiator cooler line on 2002–2006 Honda CR-V 2.4L and 2003–2006 Honda Element 2.4L. They are used when the original fitting is damaged during radiator or cooler work or when a leak develops at the cooler line junction. The aluminum construction resists corrosion better than untreated steel and the two-pack gives a spare for installation mistakes or second repair. Installation is straightforward for anyone comfortable with basic cooling-system work, but buyers should confirm the exact thread size before ordering because some radiator replacements change fitting size. Expect a functional, OEM-spec style fit when the size matches, but this product is a budget repair rather than a performance upgrade and one reviewer reported a single part failure out of the pair, so keep the spare handy during installation.
Best for: Budget-conscious DIYers who need an inexpensive, OEM-style replacement for a damaged transmission cooler line fitting on an early-2000s Honda CR-V or Element and prioritize cost-effectiveness over premium materials.
Less Ideal for: Drivers looking for a long-term performance upgrade or heavy-duty racing use should consider higher-grade fittings or professional-grade replacements instead.
- Aluminum construction offers good corrosion resistance for cooling-system fittings
- Pack of two provides a spare for installation or backup
- Designed to match factory-style transmission cooler lines for direct replacement on specified Honda models
- Lightweight and simple to install for routine radiator or cooler line repairs
- Compatibility depends on thread size and some replaced radiators may require a different connector size
- One reported failure suggests slightly variable durability compared with higher-end replacement fittings
Verdict A cheap, functional replacement for damaged transmission cooler fittings on specified early-2000s Honda 2.4L models, best for cost-conscious DIY repairs when the thread size matches.
5. PHILTOP Cooling Radiator for 2007–2009 Honda CR-V (with Quick Connect Outlet, Transmission Oil Cooler Included)
| Vehicle fitment | 2007-2009 CR-V |
|---|---|
| OEM part number | CU13031 |
| Manufacturer part number | 2731RAD0042US |
| Includes | Transmission oil cooler |
This PHILTOP radiator is a direct-fit replacement built for 2007–2009 Honda CR-Vs and combines a high-density aluminum core with multi-layer cooling fins to maintain normal engine temperature under everyday driving. It arrives as a complete unit with a transmission oil cooler and foam corner supports to prevent damage in transit. Typical use is a straightforward swap for a failing or leaking factory radiator to restore cooling performance and transmission cooling. Customers report easy installation and correct fit in most cases, though a few note that some hose or connector sizing required minor adjustments. The radiator is IATF16952 certified, indicating an industrial quality process, and the machined exterior gives a factory-replacement appearance. Expect improved heat dissipation compared with aged radiators, but be prepared to flush the system before installation and verify coolant and transmission line connections for fitment. Minor connector alignment or adapter work may be needed on some vehicles.
Best for: Risk-averse mainstream buyers who prioritize restoring reliable, factory-quality cooling on a 2007–2009 Honda CR-V and prefer a ready-to-install replacement rather than a custom repair.
Less Ideal for: Drivers looking for performance upgrades beyond stock cooling capacity or those unwilling to handle minor hose or connector adjustments should consider other options.
- High-density aluminum core with multi-layer cooling fins for efficient heat dissipation
- Complete unit includes transmission oil cooler to maintain transmission operating temperature
- Enhanced packaging with foam corner supports reduces shipping damage risk
- IATF16952 certification indicating manufacturing quality controls
- Some customers reported transmission or coolant connector size or alignment issues requiring adapters or modification
- May require flushing before installation to remove manufacturing debris
Verdict A factory-style replacement radiator for 2007–2009 Honda CR-Vs that restores cooling and adds a transmission oil cooler, but check connector fitment and flush before install.
6. A-Premium 8-Pass Aluminum Transmission Oil Cooler Kit
| Material | Aluminum |
|---|---|
| Core type | 8 pass tube and fin |
| Hose material | Silicone |
| Reference numbers | 1405, 405, 53003 |
This A-Premium 8-pass aluminum oil cooler is a universal-style kit intended to reduce transmission fluid temperatures by adding an extra heat exchanger in-line with the factory cooling circuit. Typical use is installing it ahead or downstream of the CR-Vs existing cooler to drop fluid temps during towing, hill driving, or repeated heavy-city shifts. The tube-and-fin 8-row core and included silicone hose give decent heat transfer and durability for the price, and users report temperature drops of 20 to 50 degrees in demanding conditions. The kit arrives with basic mounting options and hose length sufficient for many installs, but it does not include vehicle-specific fittings or OEM-style non-screw clamps, so some drivers will need to source adapter fittings or better clamps for a clean, leak-free connection. Installation can be fiddly where factory mounting points are limited, and there is a risk of shifting or fin damage if not secured carefully.
Best for: Practical optimizers who want a cost-effective upgrade to lower transmission temps during towing or heavy-duty driving and are comfortable sourcing a couple of adapters or doing light fabrication.
Less Ideal for: Buyers seeking a vehicle-specific, bolt-in Honda CR-V solution or those who want a fully plug-and-play kit with OEM-style fittings and clamps.
- 8-pass aluminum tube-and-fin core provides strong heat dissipation for heavy use
- Includes silicone hose and basic mounting hardware for a mostly complete kit
- Fits inline with existing transmission cooling setups to lower fluid temperatures noticeably
- Backed by a one-year unlimited-mileage guarantee from the maker
- Not vehicle-specific so additional fittings or adapter hoses may be required for a Honda CR-V
- Mounting hardware is basic and may not suit tight factory locations without fabrication
Verdict A budget-friendly heavy-duty cooler that cuts transmission temperatures well for the price but requires some fittings and careful mounting for a neat Honda CR-V installation.
7. EVIL ENERGY 5/16" Transmission Oil Cooler Kit, 6-Pass Aluminum Tube-and-Fin
| Compatible line ID | 5/16" |
|---|---|
| Core type | Tube and fin |
| Passes | 6-pass |
| Hose material | CPE |
| Hose working pressure | 145 PSI |
This EVIL ENERGY transmission cooler is a compact, universal tube-and-fin kit designed to add auxiliary cooling to a vehicle's transmission circuit. It mounts where there is good airflow and connects to 5/16" ID transmission lines using the included hoses and adapters. The six-pass aluminum core with fins increases surface area so air flowing through the grille removes heat from ATF, which practical users will notice as lower shift temperatures during heavy city driving or towing. The kit includes CPE hose rated for high working pressure and basic mounting clips and instructions so it can be installed with common hand tools. Expect clear benefits for CR-V owners who want to keep transmission temperatures in check without replacing factory components. Limitations are its universal fittings and smaller core size, which may require minor hose or adapter work for a tight, leak-free fit and will provide less cooling than larger multi-row coolers on severe-duty applications.
Best for: Practical optimizers who prioritize reliable, affordable transmission temperature control for everyday driving and occasional towing on a Honda CR-V and prefer a straightforward aftermarket add-on rather than a full system overhaul.
Less Ideal for: Drivers planning heavy towing, track use, or those who need maximum cooling capacity should choose a larger multi-row cooler specifically sized for severe-duty applications.
- Aluminum tube-and-fin core provides effective heat transfer in a compact package
- Includes hoses, adapters, and basic mounting hardware for a mostly plug-and-play install
- Hoses rated for high working pressure and wide temperature range
- Six-pass design increases fluid exposure to cooling surface compared with single-pass coolers
- Universal adapters may need modification or better clamps to seal reliably on some factory lines
- Smaller core size limits peak cooling compared with larger multi-row coolers
- Included mounting clips are basic and may require fabrication of sturdier brackets for long-term use
Verdict A budget-friendly, compact auxiliary cooler that gives CR-V owners measurable transmission temperature reduction but may need minor fitting work for a perfect, long-term seal.
Choosing the Right Honda CR-V Oil Cooler: Key Factors to Consider
Cooling Capacity and Core Design
Cooling capacity determines how effectively the oil cooler reduces operating temperature. Larger core area and multi-pass designs increase surface area and contact time, allowing more heat to transfer from oil to ambient air. Higher capacity matters if you tow frequently, drive in hot climates, or regularly operate under high load.
Core construction influences airflow and resistance to clogging. Fin density, tube arrangement, and core thickness affect both cooling and pressure drop. Consider how much temperature reduction you need versus potential impacts on oil pressure and flow.
Vehicle-Specific Fitment
Accurate fitment reduces installation time and risk of leaks or stress on mounting points. A cooler designed for the Honda CR-V will match mounting brackets and clearances, minimizing the need for modifications. Proper fitment also ensures hoses and lines route safely away from hot or moving components.
Check for documentation that lists compatible model years and engine types. Even slight differences in bumper or radiator support design across years can affect placement and clearance.
Connection Type and Hose Compatibility
Connection type affects leak resistance and ease of installation. Threaded fittings, quick-disconnects, and hose barb designs each have tradeoffs in reliability and serviceability. Choose the connection style that matches factory lines or that can be adapted without complex plumbing.
Quality of included hoses or recommended hose specifications matters because weaker hoses can swell or degrade. Confirm whether adapters or new lines are needed and whether appropriate clamps and fittings are supplied.
Material and Corrosion Resistance
Durable materials extend cooler life, especially in climates with road salt or high humidity. Aluminum cores are common for light weight and thermal conductivity, but protective coatings and anodizing reduce corrosion risk. Stainless fittings and reinforced brazing improve resilience at joints.
Materials also affect repairability and resistance to impact. Consider whether the cooler has a protective shroud or guard if it will be mounted low on the vehicle where debris impact is possible.
Installation Complexity and Serviceability
Installation complexity affects time and potential labor costs. Plug-and-play units designed for the CR-V lower installation risk. Units requiring line rerouting, additional adapters, or trimming of body panels increase complexity. Assess whether you will perform the work yourself or need professional installation.
Serviceability refers to how easy it is to inspect, clean, or replace the cooler later. Accessible mounting points and standard fittings simplify maintenance and reduce downtime.
Intended Use and Cooling Demand
Your driving patterns determine how much cooling you actually need. Occasional city driving typically needs less extra capacity than regular towing or spirited driving. If you tow, carry heavy loads, or operate in hot climates, choose a cooler with higher dissipation ratings and robust mounting.
Match the cooler’s performance characteristics to expected duty cycles. Overbuilding a cooler can add weight and complexity, while undersizing may fail to protect the engine under stress.
FAQ
How do I know if my Honda CR-V needs an oil cooler upgrade?
Look for signs of elevated oil temperature under heavy load, frequent high-speed driving, or while towing. If the engine runs hotter than normal or oil life seems shorter, an oil cooler can reduce operating temperatures. Regular monitoring with a gauge often reveals whether existing cooling is adequate.
Can I install an oil cooler myself on a Honda CR-V?
Installation is often feasible for a competent DIYer when the cooler is vehicle-specific. Basic mechanical skills and proper tools are required. Complex installs that require line modifications, adapters, or bumper removal may be better handled by a professional to ensure secure fittings and leak-free connections.
What are common oil cooler leak symptoms to watch for?
Typical signs include oil spots under the vehicle near the cooler area, a drop in oil level, or oil mixing with other fluids. You may also notice a drop in oil pressure or unpleasant odors if oil contacts hot engine parts. Prompt inspection is advised if any of these signs appear.
Will adding an oil cooler affect engine oil pressure?
Adding a properly sized cooler usually has minimal impact on oil pressure if hose lengths and fittings are correct. Excessive restriction from undersized lines or improperly routed hoses can increase backpressure. Choose components that maintain recommended flow characteristics to avoid pressure-related issues.
Do I need a transmission oil cooler when adding an engine oil cooler?
The need for a transmission oil cooler depends on towing habits and transmission load. Engine oil coolers address engine lubrication temperatures, while transmission coolers focus on transmission fluid temperatures. If you tow frequently or operate under heavy loads, consider both systems separately based on each system’s thermal demands.
How We Chose the Best Honda CR-V Oil Cooler
We focused on options that fit the Honda CR-V and offer meaningful improvements in oil temperature management. Our selection criteria emphasized measurable cooling capacity, precise vehicle-specific fitment, durable construction materials, and clear installation guidance. We prioritized oil coolers with robust core designs and reliable hose or line interfaces, since core area and flow design directly affect heat dissipation. Mounting and bracket compatibility were reviewed to ensure straightforward installation without major vehicle modification. We also assessed expected durability under frequent towing or high-load conditions, looking for corrosion-resistant finishes and reinforced fittings. Excluded from the list were generic, non-vehicle-specific units that require extensive custom fabrication or adapters not readily available. We also did not include units lacking documented fitment information or clear technical specs for flow rate and thermal performance. The result is a curated set of Honda CR-V-specific oil coolers that balance cooling, fitment, and long-term reliability.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize fitment and cooling capacity when choosing an oil cooler for a Honda CR-V. Match the cooler’s thermal performance to your driving patterns, accounting for towing, hot climates, and sustained high-load use. Balance material durability, connection quality, and installation complexity to find the best practical option. A vehicle-specific unit that offers proven cooling, straightforward installation, and corrosion-resistant construction will provide the most reliable service over time.
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