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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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Turbocharger Oil Supply Line for 2009-2015 Audi A4Turbocharger Oil Supply Line for 2009-2015 Audi A4
A-Premium®Part # APOCL534
Turbocharger Oil Supply Line for 2009-2015 Audi A4
4.638 Reviews
$80.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Audi A4: 2009 2010 2011 2012 2013 2014 2015
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Item LocatedUnited States
ColorSilver
ConditionNew
item #1016VV80
Note
【Note-1】 For 2009 Audi A4 & A4 Quattro fits with Engine Code: CAEB.
【Note-2】 For 2010-2015 Audi A4 Quattro fits with GAS, not FLEX.
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Outlet Transmission Oil Cooler Line for 2010-2016 Cadillac SRX
A-Premium®Part # APOCL456
Outlet Transmission Oil Cooler Line for 2010-2016 Cadillac SRX
4.638 Reviews
$60.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Cadillac SRX: 2010 2011 2012 2013 2014 2015 2016
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Item LocatedUnited States
Quantity1
Installation PositionOutlet
ConditionNew
item #10154VXP
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Automatic Transmission Oil Cooler Hose Assembly for 1998-1999 Ford Expedition
A-Premium®Part # APOCL511
Automatic Transmission Oil Cooler Hose Assembly for 1998-1999 Ford Expedition
4.638 Reviews
$107.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford Expedition: 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ConditionNew
item #10184954
Note
【Note-1】 This item fits the model with Automatic Transmission, not fits Manual Transmission.
【Note-2】 This item fits the model with 4R100 Transmission.
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Inlet Upper Transmission Oil Cooler Line Assembly for 1996-1997 Jeep Grand Cherokee
A-Premium®Part # APOCL102
Inlet Upper Transmission Oil Cooler Line Assembly for 1996-1997 Jeep Grand Cherokee
4.638 Reviews
$47.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Jeep Grand Cherokee: 1996 1997
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Item LocatedUnited States
Installation PositionInlet From Radiator Tube (Upper)
ColorNatural, Black
ConditionNew
item #1003ZYYX
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Auto Trans Oil Cooler Line Assembly for 1999-2000 Ford F-550 Super Duty
A-Premium®Part # APOCL099
Auto Trans Oil Cooler Line Assembly for 1999-2000 Ford F-550 Super Duty
4.638 Reviews
$53.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford F-550 Super Duty: 1999 2000
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Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #1003ZS2H
Note
This part fits vehicles with 4R100 automatic transmission and it connects to the trans cooler line.
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Inlet Engine Oil Cooler Hose Assembly for 1997-2000 GMC C3500
A-Premium®Part # APOCL113
Inlet Engine Oil Cooler Hose Assembly for 1997-2000 GMC C3500
4.638 Reviews
$69.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500: 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Driver Side)
ColorNatural, Black
ConditionNew
item #1003ZRXV
Note
The line is the Inlet (Driver Side) line.
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Inlet Lower Transmission Oil Cooler Line Assembly for 2002-2009 Chevrolet Trailblazer
A-Premium®Part # APOCL107
Inlet Lower Transmission Oil Cooler Line Assembly for 2002-2009 Chevrolet Trailblazer
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: 2002 2003 2004 2005 2006 2007 2008 2009
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Item LocatedUnited States
Installation PositionRadiator Oil Cooler Inlet (Lower)
ColorNatural
ConditionNew
item #1003ZRL2
Note
This line is the radiator oil cooler inlet (Lower) line.
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Auto Trans Oil Cooler Line Assembly for 2004-2007 Chevrolet C5500 Kodiak
A-Premium®Part # APOCL293
Auto Trans Oil Cooler Line Assembly for 2004-2007 Chevrolet C5500 Kodiak
4.638 Reviews
$65.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C5500 Kodiak: 2004 2005 2006 2007
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler to Radiator
ColorNatural, Black
ConditionNew
item #1003ZWQ6
Note
【Note-1】 The location is from auxiliary cooler to radiator.
【Note-2】 It only fits vehicles with V8 6.6L engine and for 2007 Chevrolet & GMC, it only fits Engine Desg. LLY, VIN 2.
【Note-3】 Please carefully check the compatibility and detailed notes for your model.
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Auto Trans Oil Cooler Line Assembly for 2004-2007 GMC C5500 Topkick
A-Premium®Part # APOCL293
Auto Trans Oil Cooler Line Assembly for 2004-2007 GMC C5500 Topkick
4.638 Reviews
$65.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C5500 Topkick: 2004 2005 2006 2007
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler to Radiator
ColorNatural, Black
ConditionNew
item #1003ZULY
Note
【Note-1】 The location is from auxiliary cooler to radiator.
【Note-2】 It only fits vehicles with V8 6.6L engine and for 2007 Chevrolet & GMC, it only fits Engine Desg. LLY, VIN 2.
【Note-3】 Please carefully check the compatibility and detailed notes for your model.
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2 Pcs Automatic Transmission Oil Cooler Lines for 2003-2005 Chevrolet Silverado 3500
A-Premium®Part # APOCL612
2 Pcs Automatic Transmission Oil Cooler Lines for 2003-2005 Chevrolet Silverado 3500
4.638 Reviews
$116.99
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 PositionTransmission To Radiator (Lower) & Auxiliary Cooler To Radiator (Passenger)
ConditionNew
item #1018CL0Q
Note
This item comes with Tube & Hose.
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2 Pcs Transmission Oil Cooler Lines for 1996-2000 Chevrolet K3500
A-Premium®Part # APOCL606
2 Pcs Transmission Oil Cooler Lines for 1996-2000 Chevrolet K3500
4.638 Reviews
$102.99
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
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Item LocatedUnited States
Quantity2
MaterialRubber/Metal
ConditionNew
item #1018CNG2
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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
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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
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Automatic Transmission Oil Cooler Hose for 2004-2007 Buick Rainier
A-Premium®Part # APOCL339
Automatic Transmission Oil Cooler Hose for 2004-2007 Buick Rainier
4.638 Reviews
$63.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Buick Rainier: 2004 2005 2006 2007
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet From Radiator (Upper)
ColorNatural
ConditionNew
item #1004V1TV
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Automatic Transmission Oil Cooler Hose for 2004-2005 GMC Envoy XUV
A-Premium®Part # APOCL339
Automatic Transmission Oil Cooler Hose for 2004-2005 GMC Envoy XUV
4.638 Reviews
$63.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Envoy XUV: 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet From Radiator (Upper)
ColorNatural
ConditionNew
item #1004V2PZ
Show less
Auto Trans Oil Cooler Hose for 2003 Ford E-250
A-Premium®Part # APOCL326
Auto Trans Oil Cooler Hose for 2003 Ford E-250
4.638 Reviews
$39.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2003 Ford E-250
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Passenger Side) to Transmission
ColorNatural
ConditionNew
item #1004V38Z
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Upper Auto Trans Oil Cooler Hose Assembly for 1997-2002 GMC Savana 2500
A-Premium®Part # APOCL318
Upper Auto Trans Oil Cooler Hose Assembly for 1997-2002 GMC Savana 2500
4.638 Reviews
$64.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Savana 2500: 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1004V3UV
Show less
Page 72 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