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Oil Cooler Line

2494 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 Engine Oil Cooler Hose Assembly for 2004-2008 Subaru ForesterOutlet Engine Oil Cooler Hose Assembly for 2004-2008 Subaru Forester
A-Premium®Part # APOCL005
Outlet Engine Oil Cooler Hose Assembly for 2004-2008 Subaru Forester
4.638 Reviews
$33.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Subaru Forester: 2004 2005 2006 2007 2008
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ColorBlack
ConditionNew
item #1003ZV46
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Outlet Lower Transmission Oil Cooler Line Assembly for 1998-2002 Lincoln Navigator
A-Premium®Part # APOCL084
Outlet Lower Transmission Oil Cooler Line Assembly for 1998-2002 Lincoln Navigator
4.638 Reviews
$21.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Lincoln Navigator: 1998 1999 2000 2001 2002
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Item LocatedUnited States
Installation PositionOutlet From Auxiliary Cooler (Lower) To Transmission (Rear)
ColorNatural
ConditionNew
item #1003ZUAT
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Outlet Lower Transmission Oil Cooler Line Assembly for 1997-1999 Ford F-250
A-Premium®Part # APOCL084
Outlet Lower Transmission Oil Cooler Line Assembly for 1997-1999 Ford F-250
4.638 Reviews
$21.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-250: 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet From Auxiliary Cooler (Lower) To Transmission (Rear)
ColorNatural
ConditionNew
item #1003ZP9T
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Inlet Lower Transmission Oil Cooler Line Assembly for 2002-2006 Chevrolet Trailblazer EXT
A-Premium®Part # APOCL107
Inlet Lower Transmission Oil Cooler Line Assembly for 2002-2006 Chevrolet Trailblazer EXT
4.638 Reviews
$45.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Trailblazer EXT: 2002 2003 2004 2005 2006
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Item LocatedUnited States
Installation PositionRadiator Oil Cooler Inlet (Lower)
ColorNatural
ConditionNew
item #1003ZPP4
Note
This line is the radiator oil cooler inlet (Lower) line.
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Inlet Lower Transmission Oil Cooler Line Assembly for 2004-2007 Buick Rainier
A-Premium®Part # APOCL107
Inlet Lower Transmission Oil Cooler Line Assembly for 2004-2007 Buick Rainier
4.638 Reviews
$45.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Buick Rainier: 2004 2005 2006 2007
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Item LocatedUnited States
Installation PositionRadiator Oil Cooler Inlet (Lower)
ColorNatural
ConditionNew
item #1003ZUE3
Note
This line is the radiator oil cooler inlet (Lower) line.
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Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC C2500
A-Premium®Part # APOCL004
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC C2500
4.638 Reviews
$47.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZT2P
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K2500
A-Premium®Part # APOCL004
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K2500
4.638 Reviews
$47.99
Low stock: Only 1 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 #1003ZQGH
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500
A-Premium®Part # APOCL004
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500
4.638 Reviews
$47.99
Low stock: Only 1 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 #1003ZT0A
Show less
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K1500
A-Premium®Part # APOCL004
Outlet Lower Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K1500
4.638 Reviews
$47.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K1500: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZTNS
Show less
Transmission Oil Cooler Line Assembly for 1996-2002 Chevrolet C3500HD
A-Premium®Part # APOCL073
Transmission Oil Cooler Line Assembly for 1996-2002 Chevrolet C3500HD
4.638 Reviews
$33.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500HD: 1996 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler to Radiator (Passenger Side)
ColorNatural, Black
ConditionNew
item #1003ZQQA
Note
The location is from the auxiliary cooler to radiator (passenger side).
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Inlet Engine Oil Cooler Hose Assembly for 1997-2000 Chevrolet C3500
A-Premium®Part # APOCL113
Inlet Engine Oil Cooler Hose Assembly for 1997-2000 Chevrolet C3500
4.638 Reviews
$69.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500: 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Driver Side)
ColorNatural, Black
ConditionNew
item #1003ZP43
Note
The line is the Inlet (Driver Side) line.
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2 Pcs Transmission Oil Cooler Lines for 1996-2000 GMC C3500
A-Premium®Part # APOCL606
2 Pcs Transmission Oil Cooler Lines for 1996-2000 GMC C3500
4.638 Reviews
$102.99
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
Quantity2
MaterialRubber/Metal
ConditionNew
item #1018CHR8
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2 Pcs Automatic Transmission Oil Cooler Hose Assembly for 2000-2001 Ford Excursion
A-Premium®Part # APOCL605
2 Pcs Automatic Transmission Oil Cooler Hose Assembly for 2000-2001 Ford Excursion
4.638 Reviews
$87.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford Excursion: 2000 2001
Check if this fits your vehicle
Item LocatedUnited States
Quantity2
Part interchange
624-466, 5801226, YC3Z7B028AA, 624-291, 5801197, YC3Z7C410AB
ConditionNew
item #1018CNA8
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2 Pcs Transmission Oil Cooler Lines for 1996-2000 GMC C2500
A-Premium®Part # APOCL606
2 Pcs Transmission Oil Cooler Lines for 1996-2000 GMC C2500
4.638 Reviews
$102.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Quantity2
MaterialRubber/Metal
ConditionNew
item #1018CP2R
Show less
2 Pcs Transmission Oil Cooler Lines for 1996-1999 GMC K2500 Suburban
A-Premium®Part # APOCL606
2 Pcs Transmission Oil Cooler Lines for 1996-1999 GMC K2500 Suburban
4.638 Reviews
$102.99
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
Quantity2
MaterialRubber/Metal
ConditionNew
item #1018CPEU
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Auto Trans Oil Cooler Hose for 1999 Chevrolet C1500 Suburban
A-Premium®Part # APOCL335
Auto Trans Oil Cooler Hose for 1999 Chevrolet C1500 Suburban
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999 Chevrolet C1500 Suburban
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #1004V288
Show less
Auto Trans Oil Cooler Hose for 1997-2000 Chevrolet C2500
A-Premium®Part # APOCL335
Auto Trans Oil Cooler Hose for 1997-2000 Chevrolet C2500
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C2500: 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #1004V2CQ
Show less
Auto Trans Oil Cooler Hose for 1997-2000 GMC K2500
A-Premium®Part # APOCL335
Auto Trans Oil Cooler Hose for 1997-2000 GMC K2500
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K2500: 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #1004V3WV
Show less
Auto Trans Oil Cooler Hose for 1997-2000 Chevrolet K2500
A-Premium®Part # APOCL335
Auto Trans Oil Cooler Hose for 1997-2000 Chevrolet K2500
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K2500: 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #1004V4QY
Show less
Automatic Transmission Oil Cooler Hose for 2003-2008 Isuzu Ascender
A-Premium®Part # APOCL339
Automatic Transmission Oil Cooler Hose for 2003-2008 Isuzu Ascender
4.638 Reviews
$63.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Isuzu Ascender: 2003 2004 2005 2006 2007 2008
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet From Radiator (Upper)
ColorNatural
ConditionNew
item #1004V51E
Show less
Page 71 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