5 Best Oil Cooler Lines for Dodge Charger: Durable Fitment and Leak-Resistant Performance

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

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If you drive a Dodge Charger, the condition of the oil cooler lines has a direct impact on engine oil temperature and leak prevention. Worn or damaged lines can lead to oil loss, overheating, or reduced long-term engine reliability. This guide highlights the top five oil cooler line options we shortlisted for the Dodge Charger and explains the features that matter most when replacing these components. Expect clear information on fit, material quality, and installation considerations to help you pick the right replacement for your Charger. Read on for a concise evaluation of each shortlisted option and the criteria used to compare them.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
A-Premium Upper Transmission Oil Cooler Line Hose AssemblyA-Premium Upper Transmission Oil Cooler Line Hose Assembly
Best Quality
Built to a higher standard if you want something more solid
A-Premium Automatic Transmission Oil Cooler Line Hose AssemblyA-Premium Automatic Transmission Oil Cooler Line Hose Assembly
Best Budget
The cheapest option that still gets the job done reliably
A-Premium Transmission Oil Cooler Line Hose AssemblyA-Premium Transmission Oil Cooler Line Hose Assembly
Most Sold
A high-volume bestseller chosen again and again
A-Premium Transmission Oil Cooler Line Assembly (Inlet & Outlet) for Dodge Charger/Challenger/Chrysler 300A-Premium Transmission Oil Cooler Line Assembly (Inlet & Outlet) for Dodge Charger/Challenger/Chrysler 300
Jecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose KitJecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose Kit

1. A-Premium Upper Transmission Oil Cooler Line Hose Assembly

A-Premium Upper Transmission Oil Cooler Line Hose Assembly
Best Reviewed
A-Premium's upper transmission oil cooler line is a direct-replacement hose assembly for specific Dodge Dakota and Ram Dakota models used to route transmission fluid between the transmission and radiator cooler.
Manufacturer Part NumberAPOCL189
OEM Part Number624-271, 5801408, 52029228AH, 624271
Fitment TypeDirect Replacement
Transmission42RLE Transmission

This hose assembly replaces the upper transmission oil cooler line to restore the transmission-to-radiator fluid path. It is sold as a single-piece, direct-replacement line intended for models that use the 42RLE transmission and comes with corrosion-resistant construction to resist leaks. Typical use is as a like-for-like repair when a factory cooler line develops a crack, leak, or blockage; the hose installs in the vehicle where the factory line ran and reconnects to existing fittings. The practical benefits are straightforward: a full-length replacement avoids splicing, reduces leak points compared with patch repairs, and is packaged to match original routing. Limitations are fitment specificity and the need to verify vehicle compatibility before ordering since the listing targets Dakota and Ram Dakota fitment rather than Dodge Charger models, and buyers may need to reuse original clips or fittings during installation. Expect a professional mechanic or experienced DIYer to complete the replacement with basic tools and fluid handling precautions.

Best for: Reliability-focused buyers who prioritize restoring factory fluid routing and leak-free operation with a straightforward replacement part.

Less Ideal for: Buyers looking specifically for a Dodge Charger-compatible oil cooler line or a universal fit hose should look for parts listed for the Charger or vehicle-specific assemblies.

Pros:
  • Direct-replacement design supplied as a single complete hose to avoid on-vehicle splices
  • Corrosion-resistant construction intended to reduce leaks over time
  • Reference OEM part numbers included to simplify compatibility checks
Cons:
  • Product fitment in the listing targets Dakota and Ram Dakota models rather than Dodge Charger, so it may not fit Charger applications
  • May require transfer or reuse of original clips, brackets, or fittings during installation which adds installation steps

Verdict Good for restoring a factory-style transmission cooler line on compatible Dakota/Ram vehicles, but not suitable if you need a Dodge Charger-specific fitment.

2. A-Premium Automatic Transmission Oil Cooler Line Hose Assembly

A-Premium Automatic Transmission Oil Cooler Line Hose Assembly
Best Quality
A-Premium replacement transmission oil cooler line assembly designed to match factory fitment for select Dodge and Chrysler V6 models.
Manufacturer Part NumberAPOCL187
OEM Part Number5005204AA, 5005204AC, 5005204AD, 5005204AE, 5005204AF, 5005204AG, 5005205AA, 52014764AA, 624-284
Vehicle Fitment NotesPressure and return or inlet and outlet for select V6 Dodge/Chrysler 2008–2019
GuaranteeOne-year unlimited-mileage

This A-Premium transmission oil cooler line assembly is a direct-replacement style hose meant to restore factory routing and deliver leak-free fluid flow for compatible vehicles. It is typically used when a worn or leaking cooler line causes transmission fluid loss or overheating; the part replaces the damaged pressure or return line and connects to the vehicle inlet and outlet fittings. Notable features include corrosion-resistant construction, multiple factory reference numbers for cross-checking fit, and an included one-year unlimited-mileage guarantee. In use it installs like a factory part and many owners report straightforward fitment and durable performance after installation. Limitations are that the kit may not include retaining clips or distinguishable caps, so you might need to reuse or source small hardware separately, and it is an aftermarket replacement rather than a factory-branded part. For a reliability-focused buyer this provides a practical, cost-effective way to fix leaks and restore cooling without complicated modification, as long as you verify exact fitment for your Charger model.

Best for: Reliability-focused buyers who prioritize a practical, serviceable repair that restores transmission cooling and prevents leaks without custom work.

Less Ideal for: Buyers seeking original factory-branded parts or a plug-and-play kit that includes every small clip and cap should consider other options.

Pros:
  • Corrosion-resistant construction designed to resist leaks and extend service life
  • Matches multiple factory reference numbers for easier compatibility checking
  • One-year unlimited-mileage guarantee for added buyer confidence
  • Many reviewers report straightforward, factory-like fit and simple installation
Cons:
  • May not include retaining clips or distinct caps, requiring extra parts for installation
  • Aftermarket quality can vary from factory-quality fittings according to some user reports

Verdict A practical aftermarket cooler line that restores factory routing and stops leaks for a reliability-first repair, but order or reuse small clips separately.

3. A-Premium Transmission Oil Cooler Line Hose Assembly

A-Premium Transmission Oil Cooler Line Hose Assembly
Best Budget
A-Premium replacement transmission oil cooler line is a direct-replacement metal hose designed for transmission cooling applications on compatible Dodge models.
MaterialMetal
TypeTransmission Oil Cooler Hose
Length16 inches
Reference Number624-272, 624272, 5801419, 5015414AA

This A-Premium transmission oil cooler line is a metal, direct-replacement hose intended to restore or replace a leaky or damaged transmission cooler line. It installs between the transmission and cooler and is shaped to match factory routing for a bolt-in fit on listed vehicles without an auxiliary cooler. The product emphasizes corrosion-resistant metal construction and a factory-style contour so it seats on the radiator and frame with minimal trimming. In practical use it helps prevent transmission fluid leaks and keeps cooler flow intact, which preserves shift quality and reduces overheating risk. Limitations include vehicle fit being specific to certain early 2000s Dodge models and the 16-inch length so it must match your vehicle routing; it is not a universal, adjustable line. Expect a functional, budget-friendly replacement rather than an upgraded performance line or a confirmed fit for Chargers unless the routing and fittings match the vehicle exactly.

Best for: Budget-conscious buyers who need an affordable, factory-style replacement line and are comfortable verifying exact fitment before ordering.

Less Ideal for: Buyers seeking a universal or performance upgrade line, or those who prefer pre-verified fitment for modern Dodge Charger model years, should look elsewhere.

Pros:
  • Metal construction resists corrosion for longer service life compared with plain rubber lines
  • Shaped to match factory routing for a straightforward direct-replacement install on compatible vehicles
  • Comes with manufacturer reference numbers to help verify fitment before purchase
Cons:
  • Fitment is limited to specific early 2000s Dodge models and may not be compatible with the Dodge Charger without verification
  • Fixed 16 inch length prevents use in applications that require a longer or shorter line

Verdict A low-cost, metal direct-replacement cooler line that works well if your Charger needs a simple factory-style swap and the fittings and routing match exactly.

4. A-Premium Transmission Oil Cooler Line Assembly (Inlet & Outlet) for Dodge Charger/Challenger/Chrysler 300

A-Premium Transmission Oil Cooler Line Assembly (Inlet & Outlet) for Dodge Charger/Challenger/Chrysler 300
Most Sold
A-Premium replacement transmission oil cooler line assembly designed to transfer and cool transmission fluid for specific Dodge Charger, Challenger, and Chrysler 300 models.
Compatible VehiclesDodge Charger 2013-2021; Challenger 2015-2021; Chrysler 300 2013-2021
Part Numbers5801755, 55111280AD, 624441, 624-441
BrandA-Premium

This A-Premium inlet and outlet transmission oil cooler line assembly is a direct replacement part intended to route transmission fluid to the cooler and return it to the transmission, helping maintain proper fluid temperature during normal and demanding driving. It is built from corrosion-resistant material and engineered to match factory routing and fitment for compatible Dodge Charger, Challenger, and Chrysler 300 model years, so installation is straightforward for a technician or experienced DIYer. The assembly reduces fluid temperature by ensuring steady flow through the cooler and includes reference numbers that match common factory part codes for easy verification. Practical benefits include restoring leak-free operation where original lines have cracked or corroded and avoiding overheating-related transmission wear. Limitations are that fitment is specific to the listed model years and engine configurations so you must confirm compatibility before buying, and the part does not include mounting hardware or fittings beyond the hose assembly itself.

Best for: A risk-averse mainstream buyer looking for a straightforward, factory-style replacement to restore reliable transmission cooling and avoid downtime or premature transmission wear.

Less Ideal for: Shoppers who need a universal or multi-vehicle solution or who plan a custom cooling setup should look for alternative options.

Pros:
  • Designed to match factory routing for direct replacement on specified models
  • Corrosion-resistant construction intended for leak-free service
  • Covers both inlet and outlet lines so both sides of the cooler connection are renewed
Cons:
  • Fitment limited to the listed Dodge Charger, Challenger, and Chrysler 300 model years and must be verified before installation

Verdict A practical factory-style replacement oil cooler line assembly for owners who want a corrosion-resistant, model-specific fix to restore reliable transmission cooling.

5. Jecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose Kit

Jecoupoon 70" 6AN Stainless Steel Braided Transmission Cooler Hose Kit
Best Overall
A 70-inch stainless steel braided transmission cooler hose kit with multiple 6AN fittings designed to replace factory transmission cooler lines and improve cooling performance.
Size70 inches
Fitting type6AN
MaterialStainless Steel

This Jecoupoon kit supplies two 70" stainless steel braided hoses and a broad set of 6AN adapters intended to replace rigid transmission cooler lines on compatible vehicles. It is typically used to reroute transmission fluid to an external cooler or repair damaged factory lines; the flexible braided hoses make tight routing around the chassis and engine bay straightforward. Notable features include stainless steel braided construction for heat resistance, a composite inner structure claimed to handle high temperature and load, and a large assortment of 6AN-to-NPT/NPS adapters to match common fittings. In practice the hoses are easy to bend and install, resist leakage when fittings are matched correctly, and improve cooling potential compared with corroded or collapsed factory lines. Limitations are that the kit uses metric 6AN fittings which may not directly match older or uncommon radiator ports on some Chargers without additional adapters, and successful installation depends on choosing the correct adapter and using proper flare-nut tools to avoid cross-threading. For a balanced buyer wanting a durable, flexible replacement with plenty of adapter options, this kit covers most needs for Dodge Charger transmission cooler line work.

Best for: Balanced all-round buyers who want a durable, flexible transmission cooler line replacement that improves cooling and offers a variety of adapter options for common installation scenarios on a Dodge Charger.

Less Ideal for: Buyers who need a direct bolt-in, vehicle-specific cooler line kit with guaranteed plug-and-play fittings or those unwilling to source a single matching adapter if needed.

Pros:
  • Stainless steel braided hoses resist heat and abrasion for longer service life
  • Includes a wide assortment of 6AN fittings and adapters to match multiple connection types
  • Flexible lines are easy to route in tight engine bays and around suspension components
  • Sealed design intended to reduce leakage and improve cold-start oil flow
Cons:
  • Fittings may not match some factory radiator or cooler ports without additional adapters
  • Requires careful selection and tightening of adapters to avoid leaks or cross-threading

Verdict A flexible, durable universal-style 6AN braided hose kit that improves cooling and routing for a Dodge Charger but may require an extra adapter for perfect fitment.

Choosing the Right Dodge Charger Oil Cooler Lines: Key Factors to Consider

Material and Heat Resistance

The material used for oil cooler lines determines how well they withstand prolonged exposure to hot engine oil and high under-hood temperatures. Materials such as braided stainless steel, synthetic rubber with reinforced braiding, or PTFE liners each offer different balances of flexibility and thermal resistance. Choose a construction that resists softening, swelling, or degradation when exposed to oil and heat to reduce the risk of leaks.

Heat-resistant materials also maintain shape under pressure and are less prone to bursting during thermal cycling. This affects long-term reliability and how often you might need to inspect or replace the lines.

Vehicle-Specific Fitment and Fittings

Correct fitment for the Dodge Charger is essential to avoid routing stress, kinking, or improper connector engagement. Lines that match the factory routing and use compatible fittings reduce installation time and the chance of leaks. Verify that the feed and return lines match the Charger model year and engine configuration you have.

Check whether fittings are pre-attached, include the correct flare or O-ring styles, and whether adapters are necessary. Improper fittings can cause leaks even when the hose material is high quality.

Included Components and Completeness

Some oil cooler line options come as complete kits that include both feed and return lines, fittings, clamps, and installation hardware. A complete kit reduces the risk of missing pieces and ensures all components are designed to work together. Partial kits or single-line replacements may save upfront cost but can require sourcing additional fittings or a second visit if the matching line is not included.

Consider whether the kit contains protective sleeves or routing clips to prevent abrasion where the line contacts chassis components.

Durability and Corrosion Resistance

Durability goes beyond material choice and includes resistance to external factors like road debris, salt, and chemical exposure. Corrosion-resistant fittings and protective outer braids can prolong service life, especially in areas with harsh winters or frequent road-salt exposure. Reinforced ends and crimped fittings are typically more robust than glued or clamped terminations.

Long-term durability reduces the frequency of replacements and the chance of sudden failures that lead to oil loss.

Ease of Installation and Serviceability

Consider how straightforward the lines are to install and whether they require specialized tools. Products that retain factory-style fittings and routing often fit with basic hand tools and follow factory procedures. Clear instructions, included hardware, and access to replacement parts make servicing easier and faster.

Also look for designs that allow future inspections and leak repairs without major disassembly. This affects whether you can perform routine checks yourself or need professional service.

Warranty and Manufacturer Support

A meaningful warranty indicates confidence in the product and provides recourse if a premature failure occurs. Check warranty length and what it covers, such as leaks or material defects. Manufacturer support in the form of installation guidance, tech documents, or customer service responsiveness can be valuable when addressing fitment questions or during installation.

Warranty coverage may also reflect expected lifespan and build quality, helping you weigh upfront cost against long-term reliability.

FAQ

How do I know when my Dodge Charger oil cooler lines need replacing?

You may notice oil spots under the vehicle, a drop in oil level between checks, or a burning oil smell from the engine bay. Visible cracking, bulging, or oil residue on the lines are strong indicators that replacement is needed. Routine inspection during oil changes helps catch deterioration early.

Can I repair a leaking oil cooler line instead of replacing it?

Minor leaks from fittings can sometimes be addressed by tightening or replacing seals, but repairs are often temporary if the line material itself is degraded. For lasting reliability, replacing a compromised line or using a complete hose kit designed for the Charger is usually recommended.

Are aftermarket oil cooler line kits hard to install on a Dodge Charger?

Difficulty varies by design. Kits that include vehicle-specific lines and correct fittings typically install with common hand tools and follow factory routing. More complex setups or lines that require special adapters may need extra tools or professional assistance. Clear instructions and included hardware make self-installation more feasible.

Do I need to replace both feed and return lines at the same time?

It often makes sense to replace both lines together, especially if they have similar age and wear, because one weak line can undermine the overall system. Replacing both ensures matched materials and fittings and reduces the chance of near-term follow-up repairs.

What should I inspect after installing new oil cooler lines?

Check all fittings for proper torque and look for seepage after the engine reaches operating temperature. Inspect routing to ensure no contact with sharp edges or hot components, and verify clamps and protective sleeves are in place. Re-check for leaks after a short drive to confirm everything seals correctly.

How We Chose the Best Dodge Charger Oil Cooler Lines

We focused our selection on parts designed specifically to fit the Dodge Charger and on options that address common failure modes for oil cooler lines. Key evaluation criteria included material construction and resistance to heat and oil exposure, correct vehicle-specific fitment and connector compatibility, ease of installation and availability of clear instructions, and long-term durability reflected in warranty coverage or manufacturer specifications. We also considered whether kits included both feed and return lines and the availability of appropriate fittings to avoid additional parts purchases. We excluded universal or non-vehicle-specific hoses, temporary repair-only products, and options lacking clear fitment data for the Dodge Charger. The final list prioritizes lines and kits that balance reliable sealing, corrosion and abrasion resistance, and straightforward installation for Charger owners.

Our full evaluation process is outlined in our review methodology.

Conclusion

When choosing Dodge Charger oil cooler lines, prioritize correct vehicle-specific fitment, durable heat- and oil-resistant materials, and complete kits that include compatible fittings. These factors reduce the risk of leaks and simplify installation. Balance ease of installation and warranty support against durability tradeoffs. Replacing both feed and return lines together and using parts designed for the Charger helps ensure dependable oil cooling and long-term engine protection.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.