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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.

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Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K3500Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K3500
A-Premium®Part # APOCL111
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K3500
4.638 Reviews
$55.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K3500: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #100403SA
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC C2500 Suburban
A-Premium®Part # APOCL111
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC C2500 Suburban
4.638 Reviews
$55.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500 Suburban: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #1004019R
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC K2500
A-Premium®Part # APOCL111
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC K2500
4.638 Reviews
$55.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K2500: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #100401X3
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 2003-2009 Chevrolet C5500 Kodiak
A-Premium®Part # APOCL262
Inlet Lower Engine Oil Cooler Hose Assembly for 2003-2009 Chevrolet C5500 Kodiak
4.638 Reviews
$53.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C5500 Kodiak: 2003 2004 2005 2006 2007 2008 2009
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet From Radiator (Lower) To Engine Block
ColorNatural, Black
ConditionNew
item #1003ZUPN
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1995 Chevrolet Tahoe
A-Premium®Part # APOCL118
Inlet Lower Engine Oil Cooler Hose Assembly for 1995 Chevrolet Tahoe
4.638 Reviews
$55.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995 Chevrolet Tahoe
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZZKQ
Note
This part is the inlet (Lower) line and please carefully check the model details..
Show less
Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K1500
A-Premium®Part # APOCL123
Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K1500
4.638 Reviews
$63.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K1500: 1995 1996 1997
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Driver Side)
ColorNatural, Black
ConditionNew
item #1003ZHQK
Note
This line is the inlet line (driver side)
Show less
Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC C2500 Suburban
A-Premium®Part # APOCL123
Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC C2500 Suburban
4.638 Reviews
$63.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500 Suburban: 1995 1996 1997
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Driver Side)
ColorNatural, Black
ConditionNew
item #1003ZNR1
Note
This line is the inlet line (driver side)
Show less
Upper Auto Trans Oil Cooler Line Assembly for 2007-2010 GMC Sierra 3500 HD
A-Premium®Part # APOCL042
Upper Auto Trans Oil Cooler Line Assembly for 2007-2010 GMC Sierra 3500 HD
4.638 Reviews
$58.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler To Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZRC7
Show less
2 Pcs Transmission Oil Cooler Lines for 2001-2006 GMC Sierra 3500
A-Premium®Part # APOCL604
2 Pcs Transmission Oil Cooler Lines for 2001-2006 GMC Sierra 3500
4.638 Reviews
$119.99
Low stock: Only 1 left
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
Quantity2
Part interchange
624-488, 624-069, 5801154, 15190205, 15267484, 15765052, 15812051, 15052881, 
...View more
ConditionNew
item #1018CGWN
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Auxiliary Cooler Outlet Passenger Auto Trans. Oil Cooler Hose Assembly for 2011-2014 Ford F-150
A-Premium®Part # APOCL572
Auxiliary Cooler Outlet Passenger Auto Trans. Oil Cooler Hose Assembly for 2011-2014 Ford F-150
4.638 Reviews
$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-150: 2011 2012 2013 2014
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler Outlet (Passenger Side)
ColorBlack
ConditionNew
item #10177GWX
Note
【Note-1】 This item fits the model with 6R80 Transmission.
【Note-2】 Ford Expedition, F-150 Fits the model with Auxiliary Cooler.
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Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K3500
A-Premium®Part # APOCL123
Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K3500
4.638 Reviews
$63.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K3500: 1995 1996 1997
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Driver Side)
ColorNatural, Black
ConditionNew
item #1003ZH2K
Note
This line is the inlet line (driver side)
Show less
Engine Oil Cooler Hose Assembly for 2003-2004 Mercury Marauder
A-Premium®Part # APOCL014
Engine Oil Cooler Hose Assembly for 2003-2004 Mercury Marauder
4.638 Reviews
$70.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Mercury Marauder: 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #100401RW
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K2500 Suburban
A-Premium®Part # APOCL111
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K2500 Suburban
4.638 Reviews
$55.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K2500 Suburban: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #100404R0
Show less
Upper Auto Trans Oil Cooler Line Assembly for 2006-2010 Chevrolet Silverado 2500 HD
A-Premium®Part # APOCL042
Upper Auto Trans Oil Cooler Line Assembly for 2006-2010 Chevrolet Silverado 2500 HD
4.638 Reviews
$58.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler To Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZQ30
Show less
Upper Auto Trans Oil Cooler Line Assembly for 2007-2010 Chevrolet Silverado 3500 HD
A-Premium®Part # APOCL042
Upper Auto Trans Oil Cooler Line Assembly for 2007-2010 Chevrolet Silverado 3500 HD
4.638 Reviews
$58.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler To Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZU10
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 2003-2009 GMC C4500 Topkick
A-Premium®Part # APOCL262
Inlet Lower Engine Oil Cooler Hose Assembly for 2003-2009 GMC C4500 Topkick
4.638 Reviews
$53.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C4500 Topkick: 2003 2004 2005 2006 2007 2008 2009
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet From Radiator (Lower) To Engine Block
ColorNatural, Black
ConditionNew
item #1003ZXEY
Show less
Outlet Transmission Oil Cooler Line Assembly for 1999-2004 Ford F-250 Super Duty
A-Premium®Part # APOCL288
Outlet Transmission Oil Cooler Line Assembly for 1999-2004 Ford F-250 Super Duty
4.638 Reviews
$28.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-250 Super Duty: 1999 2000 2001 2002 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ColorNatural
ConditionNew
item #1003ZZP8
Note
This part fits vehicles with auxiliary oil cooler and 4R100 Trans. The location is from the radiator passenger side to auxiliary cooler Inlet Tube.
Show less
Outlet Transmission Oil Cooler Line Assembly for 1999-2004 Ford F-550 Super Duty
A-Premium®Part # APOCL288
Outlet Transmission Oil Cooler Line Assembly for 1999-2004 Ford F-550 Super Duty
4.638 Reviews
$28.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-550 Super Duty: 1999 2000 2001 2002 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ColorNatural
ConditionNew
item #1003ZWLU
Note
This part fits vehicles with auxiliary oil cooler and 4R100 Trans. The location is from the radiator passenger side to auxiliary cooler Inlet Tube.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1995 Chevrolet C3500HD
A-Premium®Part # APOCL118
Inlet Lower Engine Oil Cooler Hose Assembly for 1995 Chevrolet C3500HD
4.638 Reviews
$55.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995 Chevrolet C3500HD
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZX67
Note
This part is the inlet (Lower) line and please carefully check the model details..
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC C3500
A-Premium®Part # APOCL118
Inlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC C3500
4.638 Reviews
$55.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZV48
Note
This part is the inlet (Lower) line and please carefully check the model details..
Show less
Page 30 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.

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Engine Oil Cooler Lines: What They Do & Leak Signs

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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