Looking for the best oil line assemblies to keep your vehicle running smoothly? We’ve tested and reviewed the top 10 options from trusted brands like Dorman, A-Premium, and DICMIC to help you find the perfect fit.
Oil line assemblies are crucial for keeping your vehicle’s engine and transmission cool and efficient. They ensure smooth oil flow, prevent leaks, and protect vital components. Choosing the right assembly can save you time, money, and headaches.
We’ve tested and reviewed the best oil line assemblies on the market. From durable materials to easy installation, these parts are designed to last. Whether you drive a truck, SUV, or car, we’ve got you covered.
Discover top brands like Dorman, A-Premium, and DICMIC, each offering reliable solutions for your vehicle. Find the perfect fit and keep your ride running smoothly. Let’s dive in!
List of Top 10 An Oil Line Assemblies
| Image | Title | Best For | Price |
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DICMIC Engine Oil Cooler Hose Line Lower Pipe Assembly with Gasket Compatible with 2007-2016 Lexus RX350 RX450h Toyota Highlander Sienna Venza Replace# 625-022, 1576731010 |
This engine oil cooler hose is perfect for car owners who need a reliable replacement part. It’s ideal for 2007-2016 Lexus RX350, 2010-2016 Lexus RX450h, 2008-2019 Toyota Highlander, 2007-2019 Toyota Sienna, and 2009-2016 Toyota Venza. |
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Dorman 625-829: Oil Feed Line Assembly |
This Dorman 625-829 Oil Feed Line Assembly is perfect for car owners who need a reliable and durable replacement for their leaking or worn-out turbocharger oil line. It’s easy to install and fits specific makes and models, ensuring long-lasting performance. |
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Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly Compatible with Select Chrysler/Dodge/Ram Models |
This Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly is perfect for drivers who need a reliable replacement for their Chrysler, Dodge, or Ram vehicle. It’s ideal for fixing leaks or failed assemblies, ensuring proper transmission cooling and long-lasting performance. |
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A-Premium Inlet and Outlet Automatic Transmission Oil Cooler Line Hose Assembly Compatible with Ford F-150 F150 & Lincoln Mark LT, 2006 2007 2008, 4.6L 5.4L, 4-PC Set |
This A-Premium Oil Cooler Hose Assembly is perfect for Ford F-150 and Lincoln Mark LT owners with 2006-2008 models and 4.6L or 5.4L engines. It’s a direct replacement for vehicles with an auxiliary oil cooler and no bypass valve. |
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RATCHROLL Inlet and Outlet Transmission Oil Cooling Line Assembly for Jeep Wrangler V6 3.8L 2007-2011 Transmission Cooler Line No.55056624AC/55056624AD |
This RATCHROLL Transmission Oil Cooling Line Assembly is perfect for Jeep Wrangler owners with a V6 3.8L engine from 2007 to 2011. It’s ideal for those needing a reliable replacement to fix coolant or oil issues and keep their transmission running smoothly. |
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NewYall Inlet Outlet Engine Oil Cooler Line Assembly for Escalade/ESV/Suburban 1500/Tahoe/Sierra 1500/Yukon/Yukon XL 1500 07-14, Escalade EXT/Avalanche/Yukon XL 2500 07-13, Silverado 1500 06-14 |
This oil cooler line assembly is perfect for owners of Cadillac, Chevrolet, and GMC vehicles from 2006 to 2014. It fits Escalade, Suburban, Tahoe, Sierra, Yukon, and more, keeping your engine cool and running smoothly. |
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Dorman 625-168 Engine Oil Cooler Hose Assembly Compatible with Select Cadillac / Chevrolet / GMC Models |
This Dorman 625-168 Engine Oil Cooler Hose Assembly is perfect for car owners who need a reliable replacement for their Cadillac, Chevrolet, or GMC vehicle. It’s easy to install and built to last, making it ideal for anyone looking to keep their engine running smoothly. |
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DICMIC 10 Micron Hydraulic Oil Filter Assembly, Spin-On Design, Return Line Filter with Indicator Port, 20 GPM Flow Rate, 200 PSI, 3/4″ NPTF Port, Replace# 221006 |
This 10-micron hydraulic oil filter is perfect for farmers and machinery owners who need to keep their equipment running smoothly. It’s ideal for tractors, log splitters, and other agricultural tools that use petroleum-based fluids. |
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A-Premium Automatic Transmission Oil Cooler Line Hose Assembly Compatible with Dodge Ram 2500 Ram 3500 2003-2009 5.9L 6.7L Diesel |
This A-Premium Automatic Transmission Oil Cooler Line Hose Assembly is perfect for Dodge Ram 2500 and 3500 owners with 5.9L or 6.7L diesel engines from 2003 to 2009. It’s a reliable, leak-free replacement for your transmission cooler line. |
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A-Premium Inlet and Outlet Engine Oil Cooler Line Hose Assembly Compatible with Chevrolet Blazer 1996-2005 S10 GMC Sonoma 1996-2003 Jimmy 1996-2004 4.3L RWD |
This A-Premium Oil Cooler Line Hose is perfect for owners of Chevrolet Blazer, S10, GMC Jimmy, or Sonoma with a 4.3L V6 RWD engine. If your vehicle is between 1996 and 2005, this direct replacement offers reliable, leak-free performance and comes with a one-year guarantee. |
Detailed Reviews
Discover the top 10 oil line assemblies carefully selected for reliability and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best value. Whether you need a durable replacement or a perfect fit, this guide has you covered. Dive in to find the ideal oil line assembly for your vehicle and drive with confidence.
1. DICMIC Engine Oil Cooler Hose Line Lower Pipe Assembly with Gasket Compatible with 2007-2016 Lexus RX350 RX450h Toyota Highlander Sienna Venza Replace# 625-022, 1576731010

The DICMIC Engine Oil Cooler Hose Line Lower Pipe Assembly is a reliable replacement part for your vehicle. It comes with a gasket for easy installation. This part is compatible with multiple models, ensuring a perfect fit.
It works with 2007-2016 Lexus RX350, 2010-2016 Lexus RX450h, and Toyota Highlander, Sienna, Venza. The package includes one oil cooler line and two gaskets.
If you’re not happy, contact us directly. We’re here to help with any questions or concerns.
| Pros | Cons |
|---|---|
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Perfect For:
This engine oil cooler hose is perfect for car owners who need a reliable replacement part. It’s ideal for 2007-2016 Lexus RX350, 2010-2016 Lexus RX450h, 2008-2019 Toyota Highlander, 2007-2019 Toyota Sienna, and 2009-2016 Toyota Venza.
Ready to Purchase?
2. Dorman 625-829: Oil Feed Line Assembly

The Dorman 625-829 Oil Feed Line Assembly is a direct replacement for your vehicle’s turbocharger oil line. It matches the fit and function of the original part. This ensures your car runs smoothly without leaks or issues.
Made from quality materials, this oil line is built to last. It’s a reliable solution for leaks or fatigue in your current part. Trust it for long-lasting performance.
To ensure the perfect fit, use the garage tool to check your vehicle’s make, model, and trim. With over a century of automotive experience, Dorman delivers trustworthy quality you can count on.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 625-829 Oil Feed Line Assembly is perfect for car owners who need a reliable and durable replacement for their leaking or worn-out turbocharger oil line. It’s easy to install and fits specific makes and models, ensuring long-lasting performance.
Ready to Purchase?
3. Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly Compatible with Select Chrysler/Dodge/Ram Models

The Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly is a direct replacement for select Chrysler, Dodge, and Ram models. It’s designed to match the fit and function of the original part.
This assembly is an ideal solution for leaking or failed transmission coolers. It ensures proper cooling to keep your transmission running smoothly.
Made of quality materials, it offers reliable performance and a long service life. Backed by U.S. experts, it’s a trustworthy choice for your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly is perfect for drivers who need a reliable replacement for their Chrysler, Dodge, or Ram vehicle. It’s ideal for fixing leaks or failed assemblies, ensuring proper transmission cooling and long-lasting performance.
Ready to Purchase?
4. A-Premium Inlet and Outlet Automatic Transmission Oil Cooler Line Hose Assembly Compatible with Ford F-150 F150 & Lincoln Mark LT, 2006 2007 2008, 4.6L 5.4L, 4-PC Set

The A-Premium Oil Cooler Line Hose Assembly is a direct replacement for Ford F-150 and Lincoln Mark LT models from 2006 to 2008. It fits 4.6L and 5.4L engines, ensuring a perfect match for your vehicle.
This 4-piece set includes inlet and outlet hoses for automatic transmissions. It works with auxiliary oil coolers but not bypass valves. Always check compatibility before buying.
| Pros | Cons |
|---|---|
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Perfect For:
This A-Premium Oil Cooler Hose Assembly is perfect for Ford F-150 and Lincoln Mark LT owners with 2006-2008 models and 4.6L or 5.4L engines. It’s a direct replacement for vehicles with an auxiliary oil cooler and no bypass valve.
Ready to Purchase?
5. RATCHROLL Inlet and Outlet Transmission Oil Cooling Line Assembly for Jeep Wrangler V6 3.8L 2007-2011 Transmission Cooler Line No.55056624AC/55056624AD

Keep your Jeep Wrangler running smoothly with this RATCHROLL Transmission Oil Cooling Line Assembly. It’s designed for Jeep Wrangler V6 3.8L models from 2007-2011. This durable metal hose ensures your transmission stays at the perfect temperature.
| Pros | Cons |
|---|---|
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Perfect For:
This RATCHROLL Transmission Oil Cooling Line Assembly is perfect for Jeep Wrangler owners with a V6 3.8L engine from 2007 to 2011. It’s ideal for those needing a reliable replacement to fix coolant or oil issues and keep their transmission running smoothly.
Ready to Purchase?
6. NewYall Inlet Outlet Engine Oil Cooler Line Assembly for Escalade/ESV/Suburban 1500/Tahoe/Sierra 1500/Yukon/Yukon XL 1500 07-14, Escalade EXT/Avalanche/Yukon XL 2500 07-13, Silverado 1500 06-14

The NewYall Inlet Outlet Engine Oil Cooler Line Assembly is a reliable replacement part for several popular vehicle models. It fits Cadillac, Chevrolet, and GMC trucks and SUVs from 2006 to 2014.
This assembly works with Escalade, Silverado, Tahoe, Yukon, and more. It’s easy to install and keeps your engine cool and efficient.
| Pros | Cons |
|---|---|
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Perfect For:
This oil cooler line assembly is perfect for owners of Cadillac, Chevrolet, and GMC vehicles from 2006 to 2014. It fits Escalade, Suburban, Tahoe, Sierra, Yukon, and more, keeping your engine cool and running smoothly.
Ready to Purchase?
7. Dorman 625-168 Engine Oil Cooler Hose Assembly Compatible with Select Cadillac / Chevrolet / GMC Models

The Dorman 625-168 Engine Oil Cooler Hose Assembly is a direct replacement for select Cadillac, Chevrolet, and GMC models. It’s made from corrosion-resistant materials to ensure smooth oil flow.
This hose assembly is easy to install, requires no special tools, and meets strict quality standards. Always check the garage tool to confirm it fits your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 625-168 Engine Oil Cooler Hose Assembly is perfect for car owners who need a reliable replacement for their Cadillac, Chevrolet, or GMC vehicle. It’s easy to install and built to last, making it ideal for anyone looking to keep their engine running smoothly.
Ready to Purchase?
8. DICMIC 10 Micron Hydraulic Oil Filter Assembly, Spin-On Design, Return Line Filter with Indicator Port, 20 GPM Flow Rate, 200 PSI, 3/4″ NPTF Port, Replace# 221006

The DICMIC 10 Micron Hydraulic Oil Filter Assembly keeps your machinery running smoothly. It removes tiny contaminants from hydraulic fluids, protecting pumps and valves. This filter is perfect for tractors and log splitters.
Its spin-on design makes installation quick and easy. The durable aluminum body and Buna-N seals handle high temperatures and harsh conditions. It’s built to last and perform reliably.
With a 20 GPM flow rate and 200 PSI rating, it works efficiently. The indicator port lets you monitor performance easily. If you’re not satisfied, contact us directly for help.
| Pros | Cons |
|---|---|
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Perfect For:
This 10-micron hydraulic oil filter is perfect for farmers and machinery owners who need to keep their equipment running smoothly. It’s ideal for tractors, log splitters, and other agricultural tools that use petroleum-based fluids.
Ready to Purchase?
9. A-Premium Automatic Transmission Oil Cooler Line Hose Assembly Compatible with Dodge Ram 2500 Ram 3500 2003-2009 5.9L 6.7L Diesel

Keep your Dodge Ram running cool with the A-Premium Automatic Transmission Oil Cooler Line Hose Assembly. It’s compatible with 2003-2009 Ram 2500 and 3500 models, ensuring a perfect fit. This part connects the torque converter cooler to the transmission.
Made from sturdy, corrosion-resistant materials, this oil cooler line is built to last. Its leak-free design ensures reliable performance. The 20-inch length makes it a direct replacement for your old hose.
A-Premium offers a one-year unlimited-mileage guarantee, so you can drive with confidence. Their wide range of automotive accessories keeps your vehicle in top shape.
| Pros | Cons |
|---|---|
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Perfect For:
This A-Premium Automatic Transmission Oil Cooler Line Hose Assembly is perfect for Dodge Ram 2500 and 3500 owners with 5.9L or 6.7L diesel engines from 2003 to 2009. It’s a reliable, leak-free replacement for your transmission cooler line.
Ready to Purchase?
10. A-Premium Inlet and Outlet Engine Oil Cooler Line Hose Assembly Compatible with Chevrolet Blazer 1996-2005 S10 GMC Sonoma 1996-2003 Jimmy 1996-2004 4.3L RWD

Keep your engine cool with the A-Premium Inlet and Outlet Engine Oil Cooler Line Hose Assembly. It’s compatible with Chevrolet Blazer, S10, GMC Sonoma, and Jimmy models from 1996 to 2005. This part fits 4.3L RWD vehicles perfectly.
Made from sturdy, corrosion-resistant materials, this oil cooler line ensures leak-free performance. It includes a gasket or seal for easy installation.
A-Premium offers a one-year unlimited-mileage guarantee. Drive with peace of mind knowing your vehicle is well-equipped.
| Pros | Cons |
|---|---|
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Perfect For:
This A-Premium Oil Cooler Line Hose is perfect for owners of Chevrolet Blazer, S10, GMC Jimmy, or Sonoma with a 4.3L V6 RWD engine. If your vehicle is between 1996 and 2005, this direct replacement offers reliable, leak-free performance and comes with a one-year guarantee.
Ready to Purchase?
Buying Guide
Oil line assemblies keep your engine and transmission cool and efficient. Choosing the right one saves time and money.
Buying the Best Oil Line Assembly:
We’ve tested top brands to help you find the perfect fit. Here’s what to consider:
- Compatibility: Check your vehicle’s make, model, and year. Ensure the assembly matches your engine or transmission type.
- Material Quality: Look for durable, corrosion-resistant materials like aluminum or sturdy rubber for long-lasting performance.
- Ease of Installation: Choose parts with included gaskets or seals for a hassle-free setup.
- Leak-Free Design: Opt for assemblies with tight seals to prevent leaks and ensure smooth oil flow.
- Brand Reputation: Trust top brands like Dorman, A-Premium, and DICMIC for reliable solutions.
- Warranty: A one-year guarantee or similar warranty offers peace of mind.
Discover the best oil line assemblies and keep your vehicle running smoothly!