24/7 Customer service
To make aftermarket auto parts an afterthought.
Add your vehicle
Address
Login
Cart
Item
$0.00

Popular vehicles

Oil Cooler Line

2498 items

Keep your engine cool with A-Premium's reliable oil cooler lines. Trust our high-quality parts for the best performance and durability.

  • All filters
  • Sort By
  • Year
  • Make
  • Model
  • Price
  • Placement on Vehicle
  • Brand
  • Material
  • Color
  • Warranty
Auto Trans Oil Cooler Line Assembly for 2005 Mercury MountaineerAuto Trans Oil Cooler Line Assembly for 2005 Mercury Mountaineer
A-Premium®Part # APOCL201
Auto Trans Oil Cooler Line Assembly for 2005 Mercury Mountaineer
4.638 Reviews
$74.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005 Mercury Mountaineer
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet
ColorNatural
ConditionNew
item #1003ZYT7
Note
The line only fits vehicles with automatic trans.
Show less
Lower Transmission Oil Cooler Line Assembly for 1996 Ford Taurus
A-Premium®Part # APOCL080
Lower Transmission Oil Cooler Line Assembly for 1996 Ford Taurus
4.638 Reviews
$43.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996 Ford Taurus
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Lower)
ColorNatural, Black
ConditionNew
item #1003ZZSY
Note
This part is from the transmission to radiator (Lower) and it fits vehicles without auxiliary oil cooler.
Show less
Lower Transmission Oil Cooler Line Assembly for 1996 Mercury Sable
A-Premium®Part # APOCL080
Lower Transmission Oil Cooler Line Assembly for 1996 Mercury Sable
4.638 Reviews
$43.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996 Mercury Sable
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Lower)
ColorNatural, Black
ConditionNew
item #1003ZXRP
Note
This part is from the transmission to radiator (Lower) and it fits vehicles without auxiliary oil cooler.
Show less
Auto Trans Oil Cooler Line Assembly for 2005-2008 Dodge Ram 1500
A-Premium®Part # APOCL171
Auto Trans Oil Cooler Line Assembly for 2005-2008 Dodge Ram 1500
4.638 Reviews
$75.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Ram 1500: 2005 2006 2007 2008
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1003ZVSD
Show less
Outlet Transmission Oil Cooler Line Assembly for 2004-2007 Chevrolet C5500 Kodiak
A-Premium®Part # APOCL264
Outlet Transmission Oil Cooler Line Assembly for 2004-2007 Chevrolet C5500 Kodiak
4.638 Reviews
$65.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C5500 Kodiak: 2004 2005 2006 2007
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ColorNatural, Black
ConditionNew
item #1003ZXYS
Note
For 2004-2007 Chevrolet GMC, this line only fits vehicles without RPO Code KNP (HD Trans Cooling System).
Show less
Engine Oil Cooler Hose Assembly for 2003-2007 Chevrolet Express 2500
A-Premium®Part # APOCL143
Engine Oil Cooler Hose Assembly for 2003-2007 Chevrolet Express 2500
4.638 Reviews
$119.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Express 2500: 2003 2004 2005 2006 2007
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1003ZVXZ
Show less
Outlet Auto Trans Oil Cooler Line Assembly for 1985 Mercedes-Benz 300D
A-Premium®Part # APOCL181
Outlet Auto Trans Oil Cooler Line Assembly for 1985 Mercedes-Benz 300D
4.638 Reviews
$29.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1985 Mercedes-Benz 300D
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side) To Transmission; Radiator to Tube
ColorNatural, Black
ConditionNew
item #1003ZP3D
Note
It is outlet (Passenger Side) line to transmission from radiator to tube.
Show less
Outlet Auto Trans Oil Cooler Line Assembly for 1986-1987 Mercedes-Benz 300SDL
A-Premium®Part # APOCL181
Outlet Auto Trans Oil Cooler Line Assembly for 1986-1987 Mercedes-Benz 300SDL
4.638 Reviews
$29.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Mercedes-Benz 300SDL: 1986 1987
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side) To Transmission; Radiator to Tube
ColorNatural, Black
ConditionNew
item #1003ZPWP
Note
It is outlet (Passenger Side) line to transmission from radiator to tube.
Show less
Outlet Lower Transmission Oil Cooler Line Assembly for 1998-2004 Chrysler Concorde
A-Premium®Part # APOCL178
Outlet Lower Transmission Oil Cooler Line Assembly for 1998-2004 Chrysler Concorde
4.638 Reviews
$117.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chrysler Concorde: 1998 1999 2000 2001 2002 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet From Radiator (Lower)
ColorNatural, Black
ConditionNew
item #1003ZRH2
Note
Parts include pressure and return lines.
Show less
Engine Oil Cooler Hose Assembly for 2001-2003 Chevrolet Silverado 3500
A-Premium®Part # APOCL129
Engine Oil Cooler Hose Assembly for 2001-2003 Chevrolet Silverado 3500
4.638 Reviews
$50.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Silverado 3500: 2001 2002 2003
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionCheck the fitment chart
ColorNatural, Black
ConditionNew
item #1003ZP2R
Note
This line only fits vehicles with V8 8.1L engine.
Show less
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2001-2004 Pontiac Aztek
A-Premium®Part # APOCL154
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2001-2004 Pontiac Aztek
4.638 Reviews
$48.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Pontiac Aztek: 2001 2002 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZRWN
Note
This line is the outlet (Lower) line and for 2005 Pontiac Montana V6 3.4L, it only fits the base submodel.
Show less
Transmission Oil Cooler Line Assembly for 2002-2005 Pontiac Grand Am
A-Premium®Part # APOCL177
Transmission Oil Cooler Line Assembly for 2002-2005 Pontiac Grand Am
4.638 Reviews
$54.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Pontiac Grand Am: 2002 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet
ColorNatural, Black
ConditionNew
item #1003ZQUN
Show less
Auto Trans Oil Cooler Hose for 2007 GMC Sierra 3500 Classic
A-Premium®Part # APOCL330
Auto Trans Oil Cooler Hose for 2007 GMC Sierra 3500 Classic
4.638 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007 GMC Sierra 3500 Classic
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1004V4KE
Show less
Auto Trans Oil Cooler Hose for 2007 Chevrolet Silverado 1500 HD Classic
A-Premium®Part # APOCL330
Auto Trans Oil Cooler Hose for 2007 Chevrolet Silverado 1500 HD Classic
4.638 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1004V4K3
Show less
Auto Trans Oil Cooler Hose for 2000-2006 GMC Yukon XL 2500
A-Premium®Part # APOCL330
Auto Trans Oil Cooler Hose for 2000-2006 GMC Yukon XL 2500
4.638 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Yukon XL 2500: 2000 2001 2002 2003 2004 2005 2006
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1004V0XV
Show less
Auto Trans Oil Cooler Hose for 2001-2006 Chevrolet Silverado 3500
A-Premium®Part # APOCL330
Auto Trans Oil Cooler Hose for 2001-2006 Chevrolet Silverado 3500
4.638 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1004V080
Show less
Auto Trans Oil Cooler Hose for 2001-2006 GMC Sierra 3500
A-Premium®Part # APOCL330
Auto Trans Oil Cooler Hose for 2001-2006 GMC Sierra 3500
4.638 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Sierra 3500: 2001 2002 2003 2004 2005 2006
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1004V4Y3
Show less
Inlet & Outlet Transmission Oil Cooler Line for 2012-2017 Jeep Wrangler
A-Premium®Part # APOCL482
Inlet & Outlet Transmission Oil Cooler Line for 2012-2017 Jeep Wrangler
4.638 Reviews
$118.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Jeep Wrangler: 2012 2013 2014 2015 2016 2017
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet
ConditionNew
item #10152GZ9
Note
【Note-1】 At Transmission.
【Note-2】 This item fits with Standard Design.
【Note-3】 Oil Cooler Lines With OE Bypass Valve.
Show less
Inlet & Outlet Transmission Oil Cooler Line for 2018 Jeep Wrangler JK
A-Premium®Part # APOCL482
Inlet & Outlet Transmission Oil Cooler Line for 2018 Jeep Wrangler JK
4.638 Reviews
$118.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2018 Jeep Wrangler JK
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet
ConditionNew
item #10152ET5
Note
【Note-1】 At Transmission.
【Note-2】 This item fits with Standard Design.
【Note-3】 Oil Cooler Lines With OE Bypass Valve.
Show less
Lower Automatic Transmission Oil Cooler Line Assembly for 2007-2010 GMC Yukon
A-Premium®Part # APOCL525
Lower Automatic Transmission Oil Cooler Line Assembly for 2007-2010 GMC Yukon
4.638 Reviews
$56.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Yukon: 2007 2008 2009 2010
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Lower)
ColorNatural
ConditionNew
item #10184A9E
Note
【Note-1】 Location: Transmission to Radiator (Lower).
【Note-2】 This item fits with Automatic Transmission Only, not fit Manual Transmission.
Show less
Page 52 of 125

What is an oil cooler line for?

 

Oil cooler lines are designed to carry oil from the engine to the oil cooler and back. The oil cooler is an important component in the engine cooling system, as it helps regulate the engine oil temperature, improving engine performance and extending engine life.

 

What causes an engine oil cooler line to leak?

 

Engine oil cooler line leaks can be caused by:

 

  • Age and wear: Over time, oil cooler lines can become worn or brittle due to age, heat, and exposure to the elements. This can cause the lines to crack or develop leaks.
  • Corrosion: If the oil cooler lines are made of metal, they can corrode over time due to exposure to moisture or other corrosive substances. This can cause the lines to weaken or develop leaks.
  • Improper installation: If the oil cooler lines are not properly installed, they may become misaligned or damaged, which can cause leaks.
  • High pressure: If the engine oil pressure is too high, it can put extra stress on the oil cooler lines, causing them to fail or develop leaks.
  • Impact damage: If the oil cooler lines are located in a vulnerable position, they may be damaged by rocks, debris, or other objects, which can cause leaks.
  • If a leak is detected, it should be repaired promptly to avoid engine damage and reduced performance.

 

How to replace an oil cooler line?

 

To replace an oil cooler line, you need to first drain the engine oil, then locate and remove the damaged line. Then install the new line with new gaskets or O-rings if needed. After that, refill the engine oil and check for leaks to test drive the vehicle. Specific steps may vary depending on the vehicle, so consulting the owner's manual or a mechanic for guidance may be more helpful.

Related Blogs

Engine Oil Cooler Lines: What They Do & Leak Signs

Spot engine oil cooler line leaks early to prevent pressure loss. Learn to distinguish them from transmission or coolant hoses, confirm leak sources safely, and choose the correct A-Premium replacement with precise fitment guidance.

Oct 12, 2026

A Comprehensive Guide to Replacing the Engine Oil Cooler Line

A-Premium oil cooler line helps maintain optimal engine oil temperature, ensuring effective lubrication and cooling. Recognizing the importance of timely oil cooler line replacement is the key to preserving your engine's long-term health and performance.

Jul 21, 2026