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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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Auto Trans Oil Cooler Line Assembly for 2005-2010 Dodge DakotaAuto Trans Oil Cooler Line Assembly for 2005-2010 Dodge Dakota
A-Premium®Part # APOCL270
Auto Trans Oil Cooler Line Assembly for 2005-2010 Dodge Dakota
4.638 Reviews
$75.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Dakota: 2005 2006 2007 2008 2009 2010
Check if this fits your vehicle
Item LocatedUnited States
ColorNatural, Black
ConditionNew
item #1003ZW82
Note
This item only fits the vehicle with 545RFE transmission(5 speed transmission), not 42RLE transmission(4 speed transmission).
Show less
2 Pcs Inlet & Outlet Transmission Oil Cooler Line Assembly for 2003-2005 Mercedes-Benz ML350
A-Premium®Part # APOCL165
2 Pcs Inlet & Outlet Transmission Oil Cooler Line Assembly for 2003-2005 Mercedes-Benz ML350
4.638 Reviews
$124.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Mercedes-Benz ML350: 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet & Outlet
ColorNatural
ConditionNew
item #1004CG1Y
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Inlet Upper Engine Oil Cooler Hose Assembly for 1992-1993 GMC C1500 Suburban
A-Premium®Part # APOCL121
Inlet Upper Engine Oil Cooler Hose Assembly for 1992-1993 GMC C1500 Suburban
4.638 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C1500 Suburban: 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZVR8
Note
This part is the inlet (Upper) line.
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Inlet Lower Transmission Oil Cooler Line Assembly for 2011-2014 Chevrolet Cruze
A-Premium®Part # APOCL280
Inlet Lower Transmission Oil Cooler Line Assembly for 2011-2014 Chevrolet Cruze
4.638 Reviews
$44.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Cruze: 2011 2012 2013 2014
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionRadiator Oil Cooler Inlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZZ63
Note
The location is from the oil cooler inlet (Lower) to radiator.
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Inlet Transmission Oil Cooler Line Assembly for 2003-2007 GMC C5500 Topkick
A-Premium®Part # APOCL261
Inlet Transmission Oil Cooler Line Assembly for 2003-2007 GMC C5500 Topkick
4.638 Reviews
$69.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C5500 Topkick: 2003 2004 2005 2006 2007
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet
ColorNatural, Black
ConditionNew
item #1003ZW11
Note
【Note-1】 For 2003-2007 Chevrolet GMC, it fits vehicles without RPO Code UXT (Transmission Temperature Gauge) and LCT 1000 Trans.
【Note-2】 For 2004-2007 Chevrolet GMC, it fits vehicles with RPO Code KNP (Heavy Duty Transmission Cooling System).
【Note-3】 For 2007 GMC C5500 Topkick/Chevrolet C5500 Kodiak, it fits vehicles with 1000PTS/1000MH/1000EVS/1000 Trans.
【Note-4】 For 2007 GMC C4500 Topkick/Chevrolet C4500 Kodiak, it fits vehicles with 1000PTS/1000EVS/1000 Trans.
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Outlet Transmission Oil Cooler Line Assembly for 2007-2010 Saturn Outlook
A-Premium®Part # APOCL184
Outlet Transmission Oil Cooler Line Assembly for 2007-2010 Saturn Outlook
4.638 Reviews
$46.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Saturn Outlook: 2007 2008 2009 2010
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ColorNatural, Black
ConditionNew
item #1003ZQYD
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 GMC K2500
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 GMC K2500
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K2500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZNGE
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet K2500
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet K2500
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K2500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZK61
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 GMC K2500 Suburban
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 GMC K2500 Suburban
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K2500 Suburban: 1996 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZH5Q
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet K3500
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet K3500
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K3500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZHYV
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet & Outlet Automatic Transmission Oil Cooler Line for 2015-2020 Ford F-150
A-Premium®Part # APOCL568
Inlet & Outlet Automatic Transmission Oil Cooler Line for 2015-2020 Ford F-150
4.638 Reviews
$229.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-150: 2015 2016 2017 2018 2019 2020
Check if this fits your vehicle
Item LocatedUnited States
QuantityOne Set
ConditionNew
item #10177KTN
Note
This item fits the model with Automatic 6 Speed Transmission, not Manual Transmission.
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2 Pcs Inlet & Outlet Transmission Oil Cooler Line Assembly for 1998-2003 Mercedes-Benz ML320
A-Premium®Part # APOCL165
2 Pcs Inlet & Outlet Transmission Oil Cooler Line Assembly for 1998-2003 Mercedes-Benz ML320
4.638 Reviews
$124.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Mercedes-Benz ML320: 1998 1999 2000 2001 2002 2003
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet & Outlet
ColorNatural
ConditionNew
item #1004CG7V
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1991-1993 GMC C3500HD
A-Premium®Part # APOCL121
Inlet Upper Engine Oil Cooler Hose Assembly for 1991-1993 GMC C3500HD
4.638 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500HD: 1991 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZXGP
Note
This part is the inlet (Upper) line.
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1991-1993 Chevrolet C3500HD
A-Premium®Part # APOCL121
Inlet Upper Engine Oil Cooler Hose Assembly for 1991-1993 Chevrolet C3500HD
4.638 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500HD: 1991 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZZ01
Note
This part is the inlet (Upper) line.
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1993 GMC C3500
A-Premium®Part # APOCL121
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1993 GMC C3500
4.638 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500: 1988 1989 1990 1991 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZVA6
Note
This part is the inlet (Upper) line.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500HD
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500HD
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500HD: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZK94
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C2500
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C2500
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C2500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZEYG
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 GMC C2500 Suburban
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 GMC C2500 Suburban
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500 Suburban: 1996 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZGYK
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 GMC C3500
A-Premium®Part # APOCL133
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 GMC C3500
4.638 Reviews
$54.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZN1Y
Note
This part only fits vehicles with V8 7.4L engine.
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1995 Chevrolet C1500
A-Premium®Part # APOCL121
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1995 Chevrolet C1500
4.638 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C1500: 1988 1989 1990 1991 1992 1993 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZZ0D
Note
This part is the inlet (Upper) line.
Show less
Page 25 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