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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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Upper Auto Trans Oil Cooler Line Assembly for 2006-2010 GMC Sierra 2500 HDUpper Auto Trans Oil Cooler Line Assembly for 2006-2010 GMC Sierra 2500 HD
A-Premium®Part # APOCL042
Upper Auto Trans Oil Cooler Line Assembly for 2006-2010 GMC Sierra 2500 HD
4.638 Reviews
$58.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
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Item LocatedUnited States
Installation PositionAuxiliary Cooler To Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZSCN
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2 Pcs Engine Inlet & Outlet Oil Cooler Line for 1996-1998 GMC K1500
A-Premium®Part # APOCL347
2 Pcs Engine Inlet & Outlet Oil Cooler Line for 1996-1998 GMC K1500
4.638 Reviews
$95.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
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Item LocatedUnited States
Installation PositionInlet & Outlet
ColorNatural
ConditionNew
item #1013C08D
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Inlet & Outlet Automatic Transmission Oil Cooler Line for 2011-2016 Ford F-350 Super Duty
A-Premium®Part # APOCL574
Inlet & Outlet Automatic Transmission Oil Cooler Line for 2011-2016 Ford F-350 Super Duty
4.638 Reviews
$122.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-350 Super Duty: 2011 2012 2013 2014 2015 2016
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Item LocatedUnited States
Installation PositionInlet and Outlet
ConditionNew
item #10177KUX
Note
【Note-1】 Location: Inlet and Outlet.
【Note-2】 This item only fits the model with 6R140 Transmission.
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2 Pcs Transmission Oil Cooler Lines for 2003 Cadillac Escalade ESV
A-Premium®Part # APOCL604
2 Pcs Transmission Oil Cooler Lines for 2003 Cadillac Escalade ESV
4.638 Reviews
$119.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
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Item LocatedUnited States
Quantity2
Part interchange
624-488, 624-069, 5801154, 15190205, 15267484, 15765052, 15812051, 15052881, 
...View more
ConditionNew
item #1018CLE4
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2 Pcs Transmission Oil Cooler Lines for 2007 Chevrolet Silverado 3500 Classic
A-Premium®Part # APOCL604
2 Pcs Transmission Oil Cooler Lines for 2007 Chevrolet Silverado 3500 Classic
4.638 Reviews
$119.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007 Chevrolet Silverado 3500 Classic
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 #1018CK34
Show less
2 Pcs Transmission Oil Cooler Lines for 2001-2006 Chevrolet Silverado 2500 HD
A-Premium®Part # APOCL604
2 Pcs Transmission Oil Cooler Lines for 2001-2006 Chevrolet Silverado 2500 HD
4.638 Reviews
$119.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Silverado 2500 HD: 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 #1018CHP2
Show less
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2005 Pontiac Aztek
A-Premium®Part # APOCL233
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2005 Pontiac Aztek
4.638 Reviews
$50.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005 Pontiac Aztek
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZXSD
Show less
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2005-2006 Pontiac Montana
A-Premium®Part # APOCL233
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2005-2006 Pontiac Montana
4.638 Reviews
$50.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Pontiac Montana: 2005 2006
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Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZYUQ
Show less
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2005-2006 Saturn Relay
A-Premium®Part # APOCL233
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2005-2006 Saturn Relay
4.638 Reviews
$50.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Saturn Relay: 2005 2006
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Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZYVL
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Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC K2500 Suburban
A-Premium®Part # APOCL111
Outlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC 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 GMC K2500 Suburban: 1994 1995
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Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #100405A7
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Outlet Transmission Oil Cooler Line Assembly for 1999-2004 Ford F-350 Super Duty
A-Premium®Part # APOCL288
Outlet Transmission Oil Cooler Line Assembly for 1999-2004 Ford F-350 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-350 Super Duty: 1999 2000 2001 2002 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ColorNatural
ConditionNew
item #1003ZX49
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.
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Inlet Lower Engine Oil Cooler Hose Assembly for 2003-2009 Chevrolet C4500 Kodiak
A-Premium®Part # APOCL262
Inlet Lower Engine Oil Cooler Hose Assembly for 2003-2009 Chevrolet C4500 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 C4500 Kodiak: 2003 2004 2005 2006 2007 2008 2009
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Item LocatedUnited States
Installation PositionInlet From Radiator (Lower) To Engine Block
ColorNatural, Black
ConditionNew
item #1003ZYCC
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Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K2500 Suburban
A-Premium®Part # APOCL123
Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K2500 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 K2500 Suburban: 1995 1996 1997
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Item LocatedUnited States
Installation PositionInlet (Driver Side)
ColorNatural, Black
ConditionNew
item #1003ZKN8
Note
This line is the inlet line (driver side)
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Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K1500 Suburban
A-Premium®Part # APOCL123
Inlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC K1500 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 K1500 Suburban: 1995 1996 1997
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Driver Side)
ColorNatural, Black
ConditionNew
item #1003ZHL3
Note
This line is the inlet line (driver side)
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Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C2500
A-Premium®Part # APOCL134
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C2500
4.638 Reviews
$57.99
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 PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZSG0
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 GMC K3500
A-Premium®Part # APOCL134
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 GMC K3500
4.638 Reviews
$57.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K3500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZSTT
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500
A-Premium®Part # APOCL134
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500
4.638 Reviews
$57.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZSDP
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 GMC K2500
A-Premium®Part # APOCL134
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 GMC K2500
4.638 Reviews
$57.99
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 PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZUDC
Show less
2 Pcs Engine Inlet & Outlet Oil Cooler Line for 1996-1998 GMC C1500
A-Premium®Part # APOCL347
2 Pcs Engine Inlet & Outlet Oil Cooler Line for 1996-1998 GMC C1500
4.638 Reviews
$95.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet & Outlet
ColorNatural
ConditionNew
item #1013C1XR
Show less
Auxiliary Cooler Outlet Passenger Auto Trans. Oil Cooler Hose Assembly for 2015-2017 Ford Expedition
A-Premium®Part # APOCL572
Auxiliary Cooler Outlet Passenger Auto Trans. Oil Cooler Hose Assembly for 2015-2017 Ford Expedition
4.638 Reviews
$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford Expedition: 2015 2016 2017
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler Outlet (Passenger Side)
ColorBlack
ConditionNew
item #10177GZL
Note
【Note-1】 This item fits the model with 6R80 Transmission.
【Note-2】 Ford Expedition, F-150 Fits the model with Auxiliary Cooler.
Show less
Page 29 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

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