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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 Engine Oil Cooler Hose Assembly for 2003-2006 Chevrolet Avalanche 2500Outlet Engine Oil Cooler Hose Assembly for 2003-2006 Chevrolet Avalanche 2500
A-Premium®Part # APOCL144
Outlet Engine Oil Cooler Hose Assembly for 2003-2006 Chevrolet Avalanche 2500
4.638 Reviews
$49.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Avalanche 2500: 2003 2004 2005 2006
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
Installation PositionOutlet
ConditionNew
item #1004CD60
Show less
Inlet & Outlet Auto Transmission Oil Cooler Line for 2007-2013 Cadillac Escalade EXT
A-Premium®Part # APOCL518
Inlet & Outlet Auto Transmission Oil Cooler Line for 2007-2013 Cadillac Escalade EXT
4.638 Reviews
$138.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Cadillac Escalade EXT: 2007 2008 2009 2010 2011 2012 2013
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet
ColorNatural
ConditionNew
item #10177L5D
Note
【Note-1】 Location: Inlet and Outlet/Inlet from Radiator (Lower) to Trans.
【Note-2】 This item fits with Automatic Transmission Only, not fit Manual Transmission.
【Note-3】 For Chevrolet & GMC Model with RPO Code KNP(Heavy Duty Trans. Cooling System).
【Note-4】 For Cadillac Model with Heavy Duty Trans. Cooling Package.
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Upper Transmission Oil Cooler Line Assembly for 1994-2001 Dodge Ram 1500
A-Premium®Part # APOCL096
Upper Transmission Oil Cooler Line Assembly for 1994-2001 Dodge Ram 1500
4.638 Reviews
$29.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Ram 1500: 1994 1995 1996 1997 1998 1999 2000 2001
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler Supply From Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZUW4
Show less
Upper Auto Trans Oil Cooler Line Assembly for 2007-2010 Chevrolet Silverado 2500 HD
A-Premium®Part # APOCL211
Upper Auto Trans Oil Cooler Line Assembly for 2007-2010 Chevrolet Silverado 2500 HD
4.638 Reviews
$43.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Silverado 2500 HD: 2007 2008 2009 2010
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler To Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZXNR
Note
This part is from the auxiliary cooler to radiator (Upper) and it only fits vehicles with RPO Code KND (Heavy Duty Transmission Cooling System) instead of RPO Code K06 (Electric Cooling Fan)
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Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500 Suburban
A-Premium®Part # APOCL110
Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500 Suburban
4.638 Reviews
$67.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K1500 Suburban: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1004036U
Note
This part is the inlet (Upper) line and please carefully check the model details..
Show less
Automatic Transmission Fluid Oil Cooler Line for 2015-2020 Ford F-150
A-Premium®Part # APOCL562
Automatic Transmission Fluid Oil Cooler Line for 2015-2020 Ford F-150
4.638 Reviews
$201.99
Low stock: Only 1 left
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
Quantity1
ConditionNew
item #10184AQG
Note
This item fits the model with Automatic Transmission, not Manual Transmission.
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Automatic Transmission Oil Cooler Hose for 2016-2019 Buick Cascada
A-Premium®Part # APOCL314
Automatic Transmission Oil Cooler Hose for 2016-2019 Buick Cascada
4.638 Reviews
$71.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Buick Cascada: 2016 2017 2018 2019
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1004V0WK
Show less
Engine Oil Cooler Hose Assembly for 1994-1996 Chevrolet Impala
A-Premium®Part # APOCL132
Engine Oil Cooler Hose Assembly for 1994-1996 Chevrolet Impala
4.638 Reviews
$83.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Impala: 1994 1995 1996
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1003ZPG8
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500
A-Premium®Part # APOCL110
Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 GMC K1500
4.638 Reviews
$67.99
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 PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #10040208
Note
This part is the inlet (Upper) line and please carefully check the model details..
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K2500
A-Premium®Part # APOCL110
Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K2500
4.638 Reviews
$67.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K2500: 1994 1995
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #100404X7
Note
This part is the inlet (Upper) line and please carefully check the model details..
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K3500
A-Premium®Part # APOCL110
Inlet Upper Engine Oil Cooler Hose Assembly for 1994-1995 Chevrolet K3500
4.638 Reviews
$67.99
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 PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #100403KZ
Note
This part is the inlet (Upper) line and please carefully check the model details..
Show less
Inlet Lower Transmission Oil Cooler Line Assembly for 2010-2017 GMC Terrain
A-Premium®Part # APOCL267
Inlet Lower Transmission Oil Cooler Line Assembly for 2010-2017 GMC Terrain
4.638 Reviews
$44.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Terrain: 2010 2011 2012 2013 2014 2015 2016 2017
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZWR4
Show less
Outlet Transmission Oil Cooler Line Assembly for 2003-2007 GMC C5500 Topkick
A-Premium®Part # APOCL292
Outlet Transmission Oil Cooler Line Assembly for 2003-2007 GMC C5500 Topkick
4.638 Reviews
$95.99
Low stock: Only 2 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 PositionOutlet
ColorNatural, Black
ConditionNew
item #1003ZXD4
Note
It is the outlet line.
Show less
Outlet Transmission Oil Cooler Line Assembly for 2003-2007 Chevrolet C5500 Kodiak
A-Premium®Part # APOCL292
Outlet Transmission Oil Cooler Line Assembly for 2003-2007 Chevrolet C5500 Kodiak
4.638 Reviews
$95.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C5500 Kodiak: 2003 2004 2005 2006 2007
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ColorNatural, Black
ConditionNew
item #1003ZY9L
Note
It is the outlet line.
Show less
Upper Transmission Oil Cooler Line Assembly for 1994-2002 Dodge Ram 3500
A-Premium®Part # APOCL096
Upper Transmission Oil Cooler Line Assembly for 1994-2002 Dodge Ram 3500
4.638 Reviews
$29.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Ram 3500: 1994 1995 1996 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler Supply From Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZVAU
Show less
Upper Transmission Oil Cooler Line Assembly for 1994-2002 Dodge Ram 2500
A-Premium®Part # APOCL096
Upper Transmission Oil Cooler Line Assembly for 1994-2002 Dodge Ram 2500
4.638 Reviews
$29.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Ram 2500: 1994 1995 1996 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler Supply From Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1003ZY05
Show less
Inlet & Outlet Auto Transmission Oil Cooler Line for 2007-2014 Cadillac Escalade ESV
A-Premium®Part # APOCL518
Inlet & Outlet Auto Transmission Oil Cooler Line for 2007-2014 Cadillac Escalade ESV
4.638 Reviews
$138.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Cadillac Escalade ESV: 2007 2008 2009 2010 2011 2012 2013 2014
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet
ColorNatural
ConditionNew
item #10177HAN
Note
【Note-1】 Location: Inlet and Outlet/Inlet from Radiator (Lower) to Trans.
【Note-2】 This item fits with Automatic Transmission Only, not fit Manual Transmission.
【Note-3】 For Chevrolet & GMC Model with RPO Code KNP(Heavy Duty Trans. Cooling System).
【Note-4】 For Cadillac Model with Heavy Duty Trans. Cooling Package.
Show less
Inlet & Outlet Auto Transmission Oil Cooler Line for 2009-2014 Chevrolet Suburban 1500
A-Premium®Part # APOCL518
Inlet & Outlet Auto Transmission Oil Cooler Line for 2009-2014 Chevrolet Suburban 1500
4.638 Reviews
$138.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Suburban 1500: 2009 2010 2011 2012 2013 2014
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet
ColorNatural
ConditionNew
item #10177LN8
Note
【Note-1】 Location: Inlet and Outlet/Inlet from Radiator (Lower) to Trans.
【Note-2】 This item fits with Automatic Transmission Only, not fit Manual Transmission.
【Note-3】 For Chevrolet & GMC Model with RPO Code KNP(Heavy Duty Trans. Cooling System).
【Note-4】 For Cadillac Model with Heavy Duty Trans. Cooling Package.
Show less
Automatic Transmission Oil Cooler Hose for 2011-2014 Chevrolet Cruze
A-Premium®Part # APOCL314
Automatic Transmission Oil Cooler Hose for 2011-2014 Chevrolet Cruze
4.638 Reviews
$71.99
Low stock: Only 3 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
Quantity1
ColorNatural, Black
ConditionNew
item #1004V26L
Show less
Inlet and Outlet Auto Transmission Oil Cooler Hose Assembly for 2011-2013 Ram 2500
A-Premium®Part # APOCL429
Inlet and Outlet Auto Transmission Oil Cooler Hose Assembly for 2011-2013 Ram 2500
4.638 Reviews
$62.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ram 2500: 2011 2012 2013
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet & Outlet
ColorSilver
ConditionNew
item #1013Q70V
Note
【Note-1】 For 2019 Ram 1500 Classic fits 4WD(Four Wheel Drive)only, not RWD(Rear Wheel Drive).
【Note-2】 At Oil Cooler.
Show less
Page 39 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