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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 Reviewed A top-rated pick with lots of positive feedback | A-Premium Upper Inlet and Outlet Transmission Oil Cooler Line 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 Quality Built to a higher standard if you want something more solid | A-Premium Transmission Oil Cooler Line Hose Assembly |  |
| Best Budget The cheapest option that still gets the job done reliably | Dusledel Transmission Cooler Line Quick-Connect Fitting (2-Pack) |  |
| Most Sold A high-volume bestseller chosen again and again | HZ-MONSTAR AN6 Stainless Steel Braided Transmission Cooler Line Kit (52") |  |
| Best Value for Money The sweet spot between price and what you get | Jecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose Kit |  |
| Best Overall The best all-around choice for most situations | DOVOSO Oil Cooler Hose Assembly (Replace part 20828695) |  |
1. A-Premium Upper Inlet and Outlet Transmission Oil Cooler Line Hose Assembly
| Vehicle fit | Jeep Liberty 2008-2012 V6 3.7L |
|---|---|
| Position | Upper inlet and outlet at oil cooler |
| Material | Metal |
| Manufacturer part number | APOCL235PC |
| OEM reference numbers | 624-514, 5801476, 68033238AA |
This A-Premium oil cooler line replaces the upper inlet and outlet hose that routes transmission fluid to the oil cooler on compatible Jeep Liberty 2008–2012 V6 3.7L models. It is a direct-replacement assembly intended for in-place swap with the factory line and is constructed from corrosion-resistant metal to reduce leaks and deterioration. Typical use is straightforward: remove the old, leaking or damaged line at the oil cooler and install this assembly to restore proper fluid cooling and routing. Buyers will appreciate the factory-style bends and fittings that make alignment and reattachment easier, plus the fitted bracket locations that hold the line in the correct position. Limitations to note are that fitment must be confirmed against the vehicle reference numbers before ordering and some units have required minor bracket rework during installation. The part comes with a one-year unlimited-mileage guarantee from the maker, which offers added reassurance for reliability-focused owners.
Best for: Reliability-focused buyers who prioritize restoring factory cooling performance with a straightforward replacement part and want a durable, long-lasting repair for their vehicle.
Less Ideal for: Drivers planning a full transmission cooling system overhaul or those who need multiple cooling lines at once should consider a complete kit rather than this single upper assembly.
- Direct-replacement design with factory-style bends for straightforward installation
- Corrosion-resistant metal construction to reduce risk of leaks over time
- Includes inlet and outlet assembly so a single part replaces multiple fittings at the oil cooler
- Fitment requires verification and some users reported a mounting bracket installed incorrectly that needed adjustment
Verdict A factory-style, metal upper cooler line assembly that restores proper transmission fluid routing and reliability when verified to fit your vehicle.
2. 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.
3. A-Premium Transmission Oil Cooler Line Hose Assembly
| Brand | A-Premium |
|---|---|
| Material | Metal |
| Fitment Type | Direct Replacement |
| Reference Number | 624-548, 624548, 5801498, 45522AG041, 45522AG040 |
This metal transmission oil cooler line assembly replaces the inlet and outlet lines on compatible automatic-transmission Subaru models to route transmission fluid between the gearbox and cooler. It is presented as a direct replacement part made from corrosion-resistant metal, so installation follows the factory routing and mounting points and is typically done during a transmission service or when a leak or failure is discovered. The package references OEM part numbers for cross-checking fit and the length specification indicates it matches the original routing. In practice the metal construction should resist collapse and abrasion better than rubber lines, and customers report fit comparable to factory parts. Limitations are that fitment is restricted to the listed Subaru Forester and Impreza years and 2.5L H4 automatic transmissions, so it is not a universal solution, and professional installation is advisable because lines carry hot pressurized transmission fluid and require proper sealing and torque at fittings.
Best for: Performance-oriented buyers who prioritize a durable, factory-replacement-quality transmission cooling line for serious maintenance and extended duty use.
Less Ideal for: Drivers seeking a universal or multi-vehicle solution or those unwilling to have a professional install a pressurized fluid line should look elsewhere.
- Metal construction resists corrosion and abrasion compared with flexible rubber lines.
- Sold as a direct replacement that matches factory routing and mounting for straightforward swap-in.
- References multiple OEM part numbers for easy verification of compatibility.
- Inlet and outlet hose included so both flow paths to the cooler are renewed at once.
- Fitment is limited to listed Subaru models and automatic transmissions, so it will not work for other vehicles.
- Requires careful installation and proper sealing to avoid leaks; not a DIY-suitable swap for inexperienced mechanics.
Verdict A sturdy metal direct-replacement cooler line aimed at buyers who want a factory-quality, durable fix for the specified Subaru automatic-transmission models.
4. Dusledel Transmission Cooler Line Quick-Connect Fitting (2-Pack)
| Material | Stainless Steel |
|---|---|
| Connector Type | Quick-Connect |
| Set Name | 2-Pack |
| Thread Size | 0.86 inch |
These two quick-connect cooler line fittings are designed as direct replacement connectors for worn or damaged transmission/oil cooler lines. They use precision-machined metal bodies with rubber sealing components and a factory-style quick-connect interface so you can snap hoses on and off without specialty tools. Typical use is a routine cooling-line repair or when a corroded fitting is leaking fluid; the package includes two identical fittings so you can replace both sides or keep a spare. The practical benefits are simple: quicker installation than hard-solder repairs, corrosion-resistant stainless-steel surfaces, and compatibility with many factory cooling lines for model years listed by the manufacturer. Limitations are that this is an aftermarket part from a third-party brand, so fit and finish can vary and installation may require trimming or an adaptor on some vehicles; the listing does not include OEM verification or extensive fitment testing for every model year of the Jeep Compass, so confirm connector type before ordering.
Best for: Budget-conscious buyers who need a low-cost, quick-repair solution for a cooling or transmission line leak on a Jeep Compass and prefer straightforward, time-saving replacements over dealer parts.
Less Ideal for: Those seeking guaranteed factory-quality replacements, comprehensive fitment warranties, or parts for complex repairs where dealer verification is required should consider OEM or dealer-sourced components instead.
- Quick-connect design for faster, tool-light installation
- Precision-machined metal body intended to reduce leaks
- Stainless steel construction for improved corrosion resistance
- Sold as a 2-pack so you get a spare or a matched pair for dual-line repairs
- Aftermarket part from a third-party brand so fitment can vary from factory connectors
- No OEM certification or detailed fitment testing provided for every Jeep Compass year
Verdict A low-cost, quick-install aftermarket quick-connect fitting that works as a practical repair or spare for Jeep Compass cooling lines, but verify fit before relying on it as a factory-equivalent replacement.
5. 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.
6. Jecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose Kit
| Size | 70 inches |
|---|---|
| Fittings included | Multiple 6AN adapters and conversions |
| Material | Stainless steel braided, PTFE hose core |
| Quantity | 2 hoses |
This kit supplies two 70-inch stainless steel braided hoses and a wide assortment of 6AN fittings to replace or reroute transmission cooler lines. It is typically used to connect a vehicle’s transmission to an external cooler or to replace deteriorated factory lines where flexibility and heat resistance are needed. The stainless braid and PTFE core are intended for high-temperature, high-load conditions and the supplied adapters let you convert 6AN to several thread types during installation. For practical installs the hoses are flexible and easy to route, and customers report reliable sealing and long-term durability when the correct fittings are used. Limitations are fitment details and adapter compatibility: some older or nonstandard radiator/trans cooler ports may need additional adapters and a careful selection of flare nut wrenches is required to avoid damage. This kit is best treated as a universal route-and-adapt solution rather than a direct bolt-in factory replacement for every vehicle.
Best for: A practical optimizer looking to improve cooling performance on a budget and willing to adapt fittings during installation to tailor fit the kit to their Jeep Compass.
Less Ideal for: Buyers seeking a direct factory-quality bolt-in replacement with guaranteed thread compatibility should consider vehicle-specific lines instead.
- Stainless steel braided construction for high heat and abrasion resistance
- Comes with two 70-inch hoses for flexible routing and longer reach
- Large kit of 6AN adapters covers multiple thread conversions for versatile installations
- PTFE-lined hose promotes smooth oil flow and resists swelling or softening
- Adapters are metric/6AN based and may not directly fit older or unusual factory cooler ports
- Not a vehicle-specific bolt-in kit so may require extra fittings or modifications
Verdict A versatile, value-focused braided hose kit that gives practical owners flexible routing and improved heat resistance but may need extra adapters for perfect factory fitment in a Jeep Compass.
7. DOVOSO Oil Cooler Hose Assembly (Replace part 20828695)
| Brand | DOVOSO |
|---|---|
| Material | Plastic, Rubber |
| Part Number | For 20828695 |
| Included Components | 1*Oil Cooler Hose Assembly |
This oil cooler hose assembly replaces the factory oil cooler inlet and outlet lines and is supplied as a single complete unit. It is used to route engine oil between the engine and the external cooler, restoring a leaking or damaged line without needing multiple separate fittings. The kit is marketed as a direct replacement for part number 20828695 and is built from rubber/plastic sections with metal fittings and an included bracket and gaskets in many packages, which helps simplify installation. In practice the lines provide a serviceable, factory-style restoration that handles hot oil flow and pressure typical for V8 cooling circuits. Fitment reports are mixed for some model years so expect some light trimming or bracket swaps on vehicles with aftermarket radiators or electric fan configurations. The lines are a value-oriented alternative to dealer parts but may require patience during removal and careful routing during installation to avoid kinks or interference.
Best for: A balanced all-round buyer who wants a full replacement line that restores oil cooler function without sourcing multiple parts and values a cost-effective, practical solution.
Less Ideal for: Those seeking guaranteed exact factory-fit or long-term endurance identical to dealer parts should consider purchasing an OEM line or verified dealer replacement instead.
- Sold as a single complete assembly to replace both inlet and outlet lines
- Designed to match factory routing for compatible vehicles to simplify installation
- Includes necessary small components like gaskets in many packages so fewer additional parts are needed
- Materials and construction intended to tolerate hot oil flow and normal engine pressures
- Some buyers report fitment or bracket mismatch on certain model years requiring adjustments
- Not a direct OEM sourced line so long-term durability may vary compared with factory parts
Verdict A cost-conscious, full replacement oil cooler line that restores function for compatible vehicles but may need minor adjustments on some model years.
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.
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.
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.
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.
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