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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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Inlet Upper Engine Oil Cooler Hose Assembly for 1992-1993 GMC YukonInlet Upper Engine Oil Cooler Hose Assembly for 1992-1993 GMC Yukon
A-Premium®Part # APOCL043
Inlet Upper Engine Oil Cooler Hose Assembly for 1992-1993 GMC Yukon
4.638 Reviews
$64.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Yukon: 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #100404XC
Note
The line is the inlet (Upper) line.
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994 Chevrolet Blazer
A-Premium®Part # APOCL006
Outlet Lower Engine Oil Cooler Hose Assembly for 1994 Chevrolet Blazer
4.638 Reviews
$47.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1994 Chevrolet Blazer
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1004034N
Note
This part is the outlet (Lower) line.
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K2500
A-Premium®Part # APOCL006
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K2500
4.638 Reviews
$47.99
Low stock: Only 2 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 (Lower)
ColorNatural, Black
ConditionNew
item #100404RU
Note
This part is the outlet (Lower) line.
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC Yukon
A-Premium®Part # APOCL006
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC Yukon
4.638 Reviews
$47.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Yukon: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1004041H
Note
This part is the outlet (Lower) line.
Show less
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 530i
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 530i
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW 530i: 2001 2002 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZS0Q
Note
This part is used for VANOS System and please check the Engine details.
Show less
Upper Engine Oil Cooler Hose Assembly for 1998-2000 BMW 323i
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 1998-2000 BMW 323i
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW 323i: 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZPD3
Note
This part is used for VANOS System and please check the Engine details.
Show less
Upper Engine Oil Cooler Hose Assembly for 1996-1999 BMW 328i
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 1996-1999 BMW 328i
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW 328i: 1996 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZQ3A
Note
This part is used for VANOS System and please check the Engine details.
Show less
Engine Oil Cooler Hose Assembly for 1996-2005 Chevrolet Blazer
A-Premium®Part # APOCL010
Engine Oil Cooler Hose Assembly for 1996-2005 Chevrolet Blazer
4.638 Reviews
$72.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Blazer: 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet From Oil Filter To Radiator
ColorNatural, Black
ConditionNew
item #1003ZTKT
Note
【Note-1】 This specific oil cooler line is designed to fit 1996-2003 Chevrolet S10 and 1996-2003 GMC Sonoma models, but only those with 4WD (four-wheel drive) configuration.
【Note-2】it is compatible with 1996-2005 Chevrolet Blazer and 1996-2004 GMC Jimmy models, but only those with 4WD (four-wheel drive) configuration.
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500
A-Premium®Part # APOCL006
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500
4.638 Reviews
$47.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K1500: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #100402R1
Note
This part is the outlet (Lower) line.
Show less
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 525i
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 525i
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW 525i: 2001 2002 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZSZX
Note
This part is used for VANOS System and please check the Engine details.
Show less
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 320i
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 320i
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW 320i: 2001 2002 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZPGT
Note
This part is used for VANOS System and please check the Engine details.
Show less
Upper Engine Oil Cooler Hose Assembly for 2004-2006 BMW X3
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 2004-2006 BMW X3
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW X3: 2004 2005 2006
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZRDA
Note
This part is used for VANOS System and please check the Engine details.
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1993 GMC K3500
A-Premium®Part # APOCL043
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1993 GMC K3500
4.638 Reviews
$64.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K3500: 1988 1989 1990 1991 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1004041Y
Note
The line is the inlet (Upper) line.
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1992-1993 GMC K2500 Suburban
A-Premium®Part # APOCL043
Inlet Upper Engine Oil Cooler Hose Assembly for 1992-1993 GMC K2500 Suburban
4.638 Reviews
$64.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K2500 Suburban: 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1004014C
Note
The line is the inlet (Upper) line.
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K1500 Suburban
A-Premium®Part # APOCL006
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K1500 Suburban
4.638 Reviews
$47.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K1500 Suburban: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #100401X7
Note
This part is the outlet (Lower) line.
Show less
Transmission Oil Cooler Line Assembly for 2003-2004 Ford F-550 Super Duty
A-Premium®Part # APOCL278
Transmission Oil Cooler Line Assembly for 2003-2004 Ford F-550 Super Duty
4.638 Reviews
$51.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-550 Super Duty: 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #1003ZQZY
Note
For 2004 Ford models, this line fits vehicles with TorqShift Trans. and manufactured from 6/01/2004.
Show less
Upper Engine Oil Cooler Hose Assembly for 2000 BMW 328Ci
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 2000 BMW 328Ci
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 BMW 328Ci
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZT4A
Note
This part is used for VANOS System and please check the Engine details.
Show less
Upper Engine Oil Cooler Hose Assembly for 2003-2005 BMW Z4
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 2003-2005 BMW Z4
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW Z4: 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZRPW
Note
This part is used for VANOS System and please check the Engine details.
Show less
Upper Engine Oil Cooler Hose Assembly for 1997-2002 BMW Z3
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 1997-2002 BMW Z3
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW Z3: 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZRW1
Note
This part is used for VANOS System and please check the Engine details.
Show less
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 325xi
A-Premium®Part # APOCL166
Upper Engine Oil Cooler Hose Assembly for 2001-2005 BMW 325xi
4.638 Reviews
$42.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits BMW 325xi: 2001 2002 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1003ZPR0
Note
This part is used for VANOS System and please check the Engine details.
Show less
Page 22 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