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If you drive a Jeep Compass, maintaining the oil cooler lines is important for protecting the engine and preventing messy, hazardous leaks. Replacing worn or damaged lines restores proper oil circulation and helps preserve oil cooling performance under load. This guide highlights seven shortlisted options that meet our durability and fit criteria.We evaluated each candidate for construction quality, corrosion resistance, and fitment accuracy, plus ease of installation and sealing reliability. Read on to find the options that match your priorities and the criteria we used to select them.
Looking for other parts? See all Jeep Compass parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Dorman Automatic Transmission Oil Cooler Hose Assembly |  |
| Best Quality Built to a higher standard if you want something more solid | Mopar Oil Cooler Supply Hose 52028920AI |  |
| Best Value The sweet spot between price and what you get | Jecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose Kit |  |
| Best Budget The cheapest option that still gets the job done reliably | A-Premium Transmission Oil Cooler Line Hose Assembly for Jeep Compass / Patriot and Dodge Caliber |  |
| Highest Rated A top-rated pick with lots of positive feedback | Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly |  |
| Most popular A crowd favorite that many people choose with confidence | MuHize 6AN Stainless Steel Braided Transmission Cooler Line Kit, 52-inch |  |
| Best Seller A high-volume bestseller chosen again and again | HZ-MONSTAR AN6 Stainless Steel Braided Transmission Cooler Line Kit (52") |  |
1. Dorman Automatic Transmission Oil Cooler Hose Assembly
| Material Type | Metal, Rubber |
|---|---|
| Maximum Pressure | 100 Pound per Square Inch |
| Included Components | 1 Transmission Line |
| Unit Count | 1.0 Count |
This Dorman hose assembly replaces a worn or leaking transmission oil cooler line to restore proper fluid flow and cooling on compatible Jeep vehicles. It comes as a single assembled line with metal and rubber sections and factory-style fittings so it plugs into the existing cooler and transmission connections. Typical use is to replace lines damaged by corrosion, collision, or vibration; installers report the part matches factory routing and holds pressure when connectors and retaining clips are installed correctly. Notable features include a stated 100 psi maximum pressure rating and a mix of metal tubing where stiffness and routing matter plus rubber hose where flexibility is required. Practical benefits are improved cooling reliability and avoiding a more expensive shop repair when the original line fails. Limitations are that installation can require careful handling of connector keepers and occasional minor bending or trimming for perfect alignment, and the part does not include a mounting bolt noted by some installers.
Best for: Balanced all-round buyers who prioritize a reliable, factory-style replacement to keep a Jeep Compass running without expensive shop repairs and who value parts engineered for correct fit and lasting service.
Less Ideal for: Buyers wanting a performance upgraded or braided line solution or those seeking a complete hardware kit including every small fastener should consider other options.
- Direct replacement fit designed to match original routing and connections
- Combination of metal and rubber sections balances durability and flexibility
- Rated for up to 100 PSI to handle transmission cooling pressures
- Includes connector and retaining components as a single assembled line
- May require careful installation and repositioning of connector keepers to avoid leaks
- Does not include the transmission-to-pan mounting bolt some installers expect
Verdict: A practical, factory-style replacement line that restores transmission cooling and stops leaks on compatible Jeep models.
2. Mopar Oil Cooler Supply Hose 52028920AI
| Material Type | Stainless Steel |
|---|---|
| Unit Count | 1.0 Count |
| Brand Name | Mopar |
This Mopar oil cooler supply hose is a factory replacement part intended to route engine oil to the cooler on the listed Mopar application. It installs in the oil cooler circuit and is built from stainless steel for corrosion resistance and long service life. For performance-minded owners this hose preserves factory routing and pressure characteristics while resisting deformation under heat and oil exposure, which helps maintain steady oil flow to the cooler during spirited driving. Being a direct-fit Mopar piece means installation aligns with factory connections and mounting points, reducing the need for modifications. Limitations are its vehicle-specific fitment and single-piece supply function only; it does not include additional fittings or the return hose, so confirm you have the matching components before service. Expect the part to perform like a factory-quality replacement rather than an upgraded high-flow aftermarket line.
Best for: Performance-oriented owners who prioritize factory-quality replacements that maintain original oil routing and reliability during spirited use.
Less Ideal for: If you want a dedicated high-flow or braided aftermarket oil line upgrade or need a universal hose for multiple vehicles, choose a performance aftermarket option instead.
- Factory-brand direct-fit design for correct routing and mounting
- Stainless steel construction improves corrosion and heat resistance
- Preserves factory oil flow characteristics and pressure behavior
- Fits specific Mopar application and is not universal across other models
Verdict: Choose this Mopar stainless steel supply hose when you want a factory-quality, corrosion-resistant direct replacement that preserves original oil cooler performance.
3. Jecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose Kit
| Material | Stainless Steel braided PTFE |
|---|---|
| Length | 70 inches |
| Fittings included | 6AN 90° and multiple 6AN-to-NPT/NPS adapters |
| Compatible transmissions | TH350/TH400/4L60E/4L80E/700R4/200-4R/TR6060/AOD/4R100/4R70W/C5 |
This Jecoupoon kit supplies two 70-inch stainless steel braided 6AN hoses plus a selection of 90-degree and thread adapter fittings so you can connect an aftermarket or replacement transmission cooler to common automatic transmissions. It is typically used to replace OEM cooler lines or run a remote transmission cooler where extra length and durable, heat-resistant routing are needed. The braided PTFE core and stainless braid improve heat resistance and abrasion protection compared with rubber lines, while the included 6AN fittings and adapters reduce the need to source separate connectors. For Scion tC owners using the listed compatible transmissions, the long hoses make routing from the trans to a front-mounted cooler straightforward. Limitations are that fitment depends on matching your transmission type and hose length needs, and the universal adapters may require thread sealing and careful torqueing to avoid leaks; professional installation is recommended if you are not comfortable with fluid plumbing.
Best for: Balanced all-round owners who want a durable, long-length cooler hose kit that covers common transmission conversions and makes routing a front-mounted cooler easier.
Less Ideal for: Buyers seeking a direct factory-style replacement tailored exactly to one vehicle without any adapter work should consider vehicle-specific hoses instead.
- Durable stainless steel braided construction resists heat and abrasion better than rubber lines
- Includes two 70 inch hoses and a wide set of 6AN fittings and adapters for versatile connections
- PTFE-lined hose improves fluid flow and reduces permeability at high temperature
- Long 70" length simplifies routing to a front-mounted cooler without splicing
- Universal kit requires verifying transmission thread types and may need additional sealant or adapters for exact fit
- Length and component selection may be excessive for compact installs and could require trimming or rerouting
Verdict: A robust, long 6AN stainless braided hose kit that simplifies adding or replacing a front-mounted transmission cooler for common automatic transmissions on the Scion tC.
4. A-Premium Transmission Oil Cooler Line Hose Assembly for Jeep Compass / Patriot and Dodge Caliber
| Manufacturer | PremiumpartsWhosale |
|---|---|
| Brand | A-Premium |
| Gasket or Seal Included | Yes |
| Reference Number | 5802127, 68021174AB, 624753, 624-753 |
This A-Premium transmission oil cooler line is a direct-replacement hose that routes transmission fluid from the transmission to the bypass valve on compatible Jeep Compass, Patriot and Dodge Caliber models. It is typically used when the factory cooler line is leaking, cracked, or damaged and is intended for bolt-in replacement during routine cooling system or transmission repairs. The listing notes a gasket or seal included and corrosion-resistant construction for leak-free performance, while the reference numbers match factory part numbers for straightforward identification. Practical benefits include simple installation on vehicles within the specified year ranges and a one-year unlimited-mileage guarantee from the brand. Important limitations are that fitment is limited to the listed models and configurations and one customer reported a quick-connect fitting separating while driving, which highlights the need to verify connection security during installation. Buyers should confirm the reference numbers and vehicle transmission type before ordering to ensure compatibility.
Best for: A practical optimizer looking for an affordable, ready-to-install replacement part that restores transmission cooling on selected Jeep Compass, Patriot or Dodge Caliber models without spending on dealer parts.
Less Ideal for: Drivers who need a universal or multi-vehicle solution or who prefer OEM-branded parts and factory-authorized fittings should consider other options.
- Direct-replacement fitment for specified Jeep Compass, Patriot and Dodge Caliber model years
- Includes gasket or seal for a more complete installation
- Corrosion-resistant construction aimed at reducing leaks
- Reference numbers match factory part listings for easier verification
- Fitment is restricted to the listed models and transmission configurations
- At least one reported failure of a quick-connect fitting that caused separation while driving
Verdict: A budget-conscious direct-replacement oil cooler line that targets specific Jeep Compass, Patriot and Dodge Caliber years and includes a gasket for straightforward installation.
5. Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly
| Material | Metal, Rubber |
|---|---|
| Maximum Pressure | 100 Pound per Square Inch |
| Nominal Wall Thickness | 0.25 inches |
| Item Length | 24 Inches |
| Manufacturer | Dorman Products |
This Dorman transmission oil cooler hose assembly is a direct-replacement style line made from metal and rubber to restore transmission cooling where the factory hose is leaking or damaged. It is intended to be used as a like-for-like swap: remove the failed cooler hose, reuse the vehicle retainers, and install the Dorman assembly to re-establish proper fluid flow to the cooler. Notable features include construction from durable materials and design that mirrors the original routing and connections for straightforward installation. In practice the part offers reliable performance and many buyers report leak-free service and an easy install when clips are reused. Limitations to note are that retainer clips are not included and some end fittings may feel slightly different from the factory part, so careful alignment and having spare clips on hand makes the job smoother. Fitment should be confirmed for your Jeep Compass before purchase because this part is listed for specific Chrysler/Dodge/Ram models and may not match all Jeep configurations.
Best for: Reliability-focused DIYers who prioritize fixing a leaking transmission cooler line with a straightforward, replacement-quality part and prefer proven aftermarket solutions over dealer repairs.
Less Ideal for: Buyers who need a part explicitly listed for Jeep Compass fitment or who expect included retainer clips should seek a kit that lists Compass compatibility or includes all fasteners.
- Direct-replacement design intended to match factory routing and connections
- Durable metal and rubber construction for long service life
- Many users report straightforward installation and leak-free results
- Manufactured by an established aftermarket parts supplier with product support
- Does not include snap-in retainer clips needed for installation
- Fitment is specified for select Chrysler/Dodge/Ram models and may not fit all Jeep Compass variants
Verdict: A dependable, factory-style replacement cooler hose assembly designed to restore transmission cooling and stop leaks when the correct fitment is confirmed.
6. MuHize 6AN Stainless Steel Braided Transmission Cooler Line Kit, 52-inch
| Material | PTFE inner, stainless steel braid |
|---|---|
| Length | 52 Inches |
| Fitting size | 6AN with assorted NPT/inverted-flare adapters |
| Quantity | 2 hoses |
This MuHize kit supplies two 52-inch PTFE-lined, stainless steel braided transmission hoses plus a selection of AN-6-to-NPT and inverted flare adapters to connect an aftermarket oil cooler. It is typically used to route transmission or auxiliary oil cooler lines where factory hoses are missing or damaged and you need a durable upgrade for higher temperatures and abrasion resistance. The PTFE core resists heat and fluid compatibility while the stainless braid adds crush and wear protection. The included assortment of straight and 90-degree billet adaptors makes it convenient to adapt to different fittings without buying separate parts. Practical benefits include longer service life than rubber hose and a professional appearance under the hood. Limitations to note are that the kit uses specific NPT and inverted-flare style adapters that may not match factory radiator or transmission ports on every vehicle, and some users found the provided fittings or hose lengths did not fit their routing needs, which can require additional adapters or custom bending during installation.
Best for: Convenience-driven buyers who want a ready-made braided cooler hose kit that reduces trips to multiple suppliers and speeds up a transmission cooler installation.
Less Ideal for: Owners seeking a direct, factory-compatible replacement with guaranteed fit to Jeep Compass factory ports should consider purpose-made factory-quality lines or vehicle-specific kits tailored to Compass fittings.
- PTFE inner core resists high temperatures and transmission fluid compatibility.
- Stainless steel braid increases abrasion resistance and mechanical strength.
- Comes with multiple AN-6 to NPT and inverted-flare billet adapters for easier connection to aftermarket coolers.
- Two 52-inch hoses provide enough length for many external cooler placements and routing options.
- Fittings supplied are NPT/inverted-flare types that may not match Jeep Compass factory ports, requiring extra adapters or rework.
- Fixed hose lengths and routing may be too long or too short for some installations, requiring trimming or re-routing.
Verdict: A durable, convenient braided 6AN hose kit that speeds up aftermarket cooler installations but may need extra adapters or length adjustments for a perfect fit to Jeep Compass factory ports.
7. HZ-MONSTAR AN6 Stainless Steel Braided Transmission Cooler Line Kit (52")
| Material | Stainless Steel braid with PVC/PTFE liner |
|---|---|
| Hose Length | 52" each |
| Inner Diameter | 3/8" I.D. |
| Fittings Included | AN6 to 1/4" NPT, AN6 to 3/8" NPT, AN6 90° adapters |
This HZ-MONSTAR kit supplies two 52-inch stainless steel braided AN6 hoses with a selection of adapters to connect to common transmission cooler fittings. It is used to replace rigid lines or upgrade to braided flexible lines when adding an external cooler or repairing worn original lines. The hoses combine an inner PVC/PTFE-type liner with a flexible stainless braid for abrasion resistance and heat tolerance, and the kit includes multiple AN6-to-NPT and 90 degree adapters to help match factory ports. In practice the kit gives a neat, durable routed line that resists chafing and handles higher coolant flow for towing or heavy use. Limitations are that the kit is a generic AN6 solution rather than a vehicle-specific plug-and-play assembly, so installation may require measuring, cutting, or using additional fittings to match Jeep Compass transmission ports and routing. Also the kit does not include hose clamps or vehicle-specific brackets, so expect minor fabrication for a clean install.
Best for: A risk-averse mainstream buyer who wants a durable, widely compatible braided cooler line kit to upgrade cooling capacity and reduce failure risk when adding an external cooler to their Jeep Compass.
Less Ideal for: Buyers seeking a vehicle-specific plug-and-play replacement with dedicated mounting hardware or those unwilling to do minor fitting or routing work should look elsewhere.
- Stainless steel braid over a PTFE/PVC liner for abrasion resistance and higher heat durability.
- Includes multiple AN6-to-NPT and 90 degree adapters to fit a range of transmission ports.
- Two long 52" hoses provide enough length for routing to an external cooler or custom installations.
- Flexible braided lines simplify routing compared with rigid steel lines and reduce chafing risk.
- Generic AN6 kit not vehicle-specific so additional fittings or hose trimming may be required for Jeep Compass fitment.
- Does not include clamps, brackets, or vehicle-specific mounting hardware.
Verdict: A durable, flexible AN6 braided hose kit that improves cooling and durability but requires minor fitting for vehicle-specific installation.
Choosing the Right Jeep Compass Oil Cooler Lines: Key Factors to Consider
Material and Construction
The base materials determine how well oil cooler lines resist heat, oil exposure, and road debris. Steel or braided stainless lines typically withstand abrasion and higher temperatures better than simple rubber hoses, while multi-layer hose constructions can offer a balance of flexibility and durability.
Pay attention to reinforcement layers, crimping quality at fittings, and whether the hoses have an inner liner compatible with motor oils. Construction affects expected service life and the likelihood of swelling, cracking, or chafing under engine movement.
Fitting Type and Sealing
Proper fittings and sealing methods reduce the chance of leaks at high pressure and temperature. Look for fittings designed to match the Jeep Compass connection types and that use appropriate sealing methods such as O-rings, crush washers, or flare fittings depending on the original design.
Poorly matched fittings or inadequate sealing surfaces often cause persistent leaks even when hoses are new. Correct sealing hardware and tight tolerances at connection points matter as much as the hose material.
Fitment Accuracy and Routing
Lines that match factory lengths, bends, and mounting points make installation easier and prevent premature wear. Incorrectly routed or mis-sized lines can chafe against other components or place tension on fittings, which increases the chance of failure.
Ensure replacement lines follow the same path and include necessary brackets or clips to secure them away from heat sources and moving parts. Fitment accuracy also reduces installation time and the need for adjustments.
Corrosion and Environmental Resistance
Exposure to road salt, moisture, and grime accelerates corrosion on metal fittings and clamps. Select lines and fittings with corrosion-resistant coatings or stainless-steel components to extend service life in harsh climates.
Hose outer covers that resist oil and chemical degradation also help maintain integrity over time. Environmental resistance reduces long-term maintenance and lowers the chance of failures caused by rusted connectors.
Pressure and Temperature Ratings
Oil cooler lines must tolerate the operating pressures and temperatures of the engine oil system without deforming or bursting. Confirm that hoses and fittings are rated for pressures and temperatures above typical engine operating ranges to provide a safety margin.
Higher ratings matter for towing, spirited driving, or sustained high-load conditions. Lines with appropriate ratings offer more predictable performance under stress and reduce the risk of sudden failures.
Installation Ease and Hardware Included
Kits that include correct clamps, brackets, and mounting hardware simplify installation and promote a reliable repair. Clear instructions and a complete set of fittings mean fewer surprises during replacement.
Options that require special tools or additional parts can add complexity and cost. Consider how comfortable you are with vehicle work and whether a more complete kit will save time and reduce installation errors.
How We Chose the Best Jeep Compass Oil Cooler Lines
We focused on parts and kits that specifically fit the Jeep Compass and that address the most common failure modes for oil cooler lines. Key evaluation criteria included material and construction quality to resist heat and abrasion; sealing and fitting design to minimize leak risk; corrosion resistance for longevity in road conditions; and compatibility with factory mounting points for straightforward installation. We also considered whether the hardware and hoses provided in kits meet OEM routing and clamping requirements, and whether replacement lines support pressure handling typical for the vehicle's oil system.Excluded items included universal hoses that lack model-specific fittings and assemblies without clear compatibility information. We prioritized options that deliver reliable sealing, correct feed and return line lengths, and durable materials that reduce the chance of premature failure.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my Jeep Compass oil cooler lines are failing?
Common signs include visible oil drips around fittings or along the hose, a burning oil smell from the engine bay, or oil spots where you park. You may also notice fluctuating oil pressure or oil level loss between checks. Inspect lines for cracks, swelling, or wetness and check fittings for seepage.
Can I replace oil cooler lines myself on a Jeep Compass?
Many owners can replace lines with basic mechanical skills and common tools, especially if the replacement kit includes correct fittings and hardware. Work carefully to drain or contain oil, follow routing and torque guidance, and replace seals. If routing is complex or access is tight, professional installation is a reasonable option.
What causes oil cooler line leaks on the Jeep Compass?
Leaks often result from age-related hose deterioration, abrasive wear from contact with nearby components, loose or damaged fittings, or corrosion of metal connectors. Heat cycling and exposure to road contaminants can accelerate these issues. Regular inspections help catch problems early.
Should I replace feed and return lines together?
It often makes sense to replace both feed and return lines when one fails because the remaining line may be of similar age and condition. Replacing both ensures matched durability and reduces the chance of another failure shortly after repair. Evaluate the condition and service history to decide.
What should I bring to a mechanic if I want professional replacement?
Provide your vehicle details and note whether you have a specific replacement kit or part number. Ask the mechanic to confirm that the fittings and hoses used match factory routing and pressure ratings. Request that they inspect surrounding brackets and clamps and replace any corroded mounting hardware.
How long do replacement oil cooler lines typically last?
Lifespan varies widely based on material, climate, and driving conditions. Durable materials and proper installation often last many years under normal use, while older rubber hoses may degrade sooner in harsh environments. Regular inspections help identify when proactive replacement is warranted.
Conclusion
When choosing oil cooler lines for a Jeep Compass, prioritize correct fitment, durable materials, and leak-resistant fittings. Those factors together reduce the chance of repeat failures and help maintain steady oil cooling performance under load.Balance ease of installation and included hardware against long-term corrosion resistance and pressure ratings. Replacing both lines at once and using properly routed, securely clamped assemblies will deliver the most durable outcome.
Explore More:
- Check out all Jeep Compass parts & accessories
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