24/7 Customer service
To make aftermarket auto parts an afterthought.
Add your vehicle
Address
Login
Cart
Item
$0.00

Popular vehicles

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.

  • All filters
  • Sort By
  • Year
  • Make
  • Model
  • Price
  • Placement on Vehicle
  • Brand
  • Material
  • Color
  • Warranty
Auto Trans Oil Cooler Line Assembly for 1998-1999 GMC C1500Auto Trans Oil Cooler Line Assembly for 1998-1999 GMC C1500
A-Premium®Part # APOCL075
Auto Trans Oil Cooler Line Assembly for 1998-1999 GMC C1500
4.638 Reviews
$58.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C1500: 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #100401V6
Note
【Note-1】 The location is from the auxiliary cooler (Driver Side) to the transmission (Exc. 2000 GMC Yukon).
【Note-2】 For 2000 GMC Yukon with RPO Code KNP (HD Trans Cooling System), this part is the inlet (Upper) line.
Show less
Auto Trans Oil Cooler Line Assembly for 1998-1999 Chevrolet C1500
A-Premium®Part # APOCL075
Auto Trans Oil Cooler Line Assembly for 1998-1999 Chevrolet C1500
4.638 Reviews
$58.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C1500: 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #100402EG
Note
【Note-1】 The location is from the auxiliary cooler (Driver Side) to the transmission (Exc. 2000 GMC Yukon).
【Note-2】 For 2000 GMC Yukon with RPO Code KNP (HD Trans Cooling System), this part is the inlet (Upper) line.
Show less
Outlet Auto Trans Oil Cooler Line Assembly for 2005-2009 GMC Envoy
A-Premium®Part # APOCL221
Outlet Auto Trans Oil Cooler Line Assembly for 2005-2009 GMC Envoy
4.638 Reviews
$45.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Envoy: 2005 2006 2007 2008 2009
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet From Radiator (Driver Side)
ColorNatural
ConditionNew
item #1003ZYQ3
Show less
Outlet Auto Trans Oil Cooler Line Assembly for 2004-2007 Buick Rainier
A-Premium®Part # APOCL221
Outlet Auto Trans Oil Cooler Line Assembly for 2004-2007 Buick Rainier
4.638 Reviews
$45.99
Low stock: Only 1 left
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 PositionOutlet From Radiator (Driver Side)
ColorNatural
ConditionNew
item #1003ZZ15
Show less
Outlet Auto Trans Oil Cooler Line Assembly for 2003-2006 GMC Envoy XL
A-Premium®Part # APOCL221
Outlet Auto Trans Oil Cooler Line Assembly for 2003-2006 GMC Envoy XL
4.638 Reviews
$45.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Envoy XL: 2003 2004 2005 2006
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet From Radiator (Driver Side)
ColorNatural
ConditionNew
item #1003ZW12
Show less
Outlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC C3500
A-Premium®Part # APOCL050
Outlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC C3500
4.638 Reviews
$67.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500: 1995 1996 1997
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #1003ZZSG
Show less
Inlet Lower Transmission Oil Cooler Line Assembly for 1997-1999 Buick Park Avenue
A-Premium®Part # APOCL098
Inlet Lower Transmission Oil Cooler Line Assembly for 1997-1999 Buick Park Avenue
4.638 Reviews
$53.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Buick Park Avenue: 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZVRK
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-1998 GMC C1500
A-Premium®Part # APOCL135
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-1998 GMC C1500
4.638 Reviews
$48.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C1500: 1996 1997 1998
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZYQA
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-1998 Chevrolet C1500
A-Premium®Part # APOCL135
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-1998 Chevrolet C1500
4.638 Reviews
$48.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C1500: 1996 1997 1998
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZW47
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-2002 Chevrolet Express 1500
A-Premium®Part # APOCL047
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-2002 Chevrolet Express 1500
4.638 Reviews
$49.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Express 1500: 1996 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #100405EQ
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-2002 Chevrolet Express 3500
A-Premium®Part # APOCL047
Inlet Upper Engine Oil Cooler Hose Assembly for 1996-2002 Chevrolet Express 3500
4.638 Reviews
$49.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Express 3500: 1996 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1004051U
Show less
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1993 GMC C2500
A-Premium®Part # APOCL226
Inlet Upper Engine Oil Cooler Hose Assembly for 1988-1993 GMC C2500
4.638 Reviews
$53.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500: 1988 1989 1990 1991 1992 1993
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZQ29
Show less
Inlet & Outlet Auto Transmission Oil Cooler Hose for 2010-2012 Dodge Caliber
A-Premium®Part # APOCL485
Inlet & Outlet Auto Transmission Oil Cooler Hose for 2010-2012 Dodge Caliber
4.638 Reviews
$60.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Caliber: 2010 2011 2012
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet; To Cooler
ConditionNew
item #101847V8
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
Show less
Lower Auto Trans Oil Cooler Hose for 2003-2005 Chevrolet Silverado 3500
A-Premium®Part # APOCL304
Lower Auto Trans Oil Cooler Hose for 2003-2005 Chevrolet Silverado 3500
4.638 Reviews
$71.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Silverado 3500: 2003 2004 2005
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Lower)
ColorNatural, Black
ConditionNew
item #1004V3HX
Show less
Upper Auto Transmission Oil Cooler Line for 1996-2002 Chevrolet Express 3500
A-Premium®Part # APOCL320
Upper Auto Transmission Oil Cooler Line for 1996-2002 Chevrolet Express 3500
4.638 Reviews
$66.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Express 3500: 1996 1997 1998 1999 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1004V3LA
Show less
Upper Auto Trans Oil Cooler Hose Assembly for 2007-2013 GMC Sierra 1500
A-Premium®Part # APOCL345
Upper Auto Trans Oil Cooler Hose Assembly for 2007-2013 GMC Sierra 1500
4.638 Reviews
$68.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Sierra 1500: 2007 2008 2009 2010 2011 2012 2013
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorNatural, Black
ConditionNew
item #1004V1P6
Show less
Transmission Oil Cooler Line for 2010-2016 Lincoln MKS
A-Premium®Part # APOCL360
Transmission Oil Cooler Line for 2010-2016 Lincoln MKS
4.638 Reviews
$113.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Lincoln MKS: 2010 2011 2012 2013 2014 2015 2016
Check if this fits your vehicle
Item LocatedUnited States
QuantityOne Set
Part interchange
5801835, AG1Z7R081F
ConditionNew
item #10152KP6
Show less
Inlet Automatic Transmission Fluid Oil Cooler Hose for 2010-2016 Cadillac SRX
A-Premium®Part # APOCL375
Inlet Automatic Transmission Fluid Oil Cooler Hose for 2010-2016 Cadillac SRX
4.638 Reviews
$50.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Cadillac SRX: 2010 2011 2012 2013 2014 2015 2016
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ConditionNew
item #10152EC4
Note
【Note-1】 This item fits with Automatic Transmission Only, not fit Manual Transmission.
【Note-2】 This item fits with 6 Speed Transmission.
【Note-3】 This item fits with the model without Trailer Tow Package.
Show less
Automatic Transmission Oil Cooler Hose for 2014-2019 Chevrolet Cruze
A-Premium®Part # APOCL367
Automatic Transmission Oil Cooler Hose for 2014-2019 Chevrolet Cruze
4.638 Reviews
$52.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Cruze: 2014 2015 2016 2017 2018 2019
Check if this fits your vehicle
Item LocatedUnited States
QuantityOne Set
ConditionNew
item #10152HL7
Note
【Note-1】 This item fits with Automatic Transmission Only, not fit Manual Transmission.;
【Note-2】 For Chevrolet Cruze 2014 fits the model without External TOC.
Show less
Inlet Automatic Transmission Fluid Cooler Line for 2008-2010 Saturn Vue
A-Premium®Part # APOCL394
Inlet Automatic Transmission Fluid Cooler Line for 2008-2010 Saturn Vue
4.638 Reviews
$56.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Saturn Vue: 2008 2009 2010
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet
ColorBlack/Silver
ConditionNew
item #1013Q3AW
Note
6T70 Transaxle Automatic 6 Speed Transmission.
Show less
Page 103 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.

Related Blogs

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