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Oil Cooler Line

2505 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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Lower Hose Oil Cooler for 2005-2015 Nissan XterraLower Hose Oil Cooler for 2005-2015 Nissan Xterra
A-Premium®Part # APOCL571
Lower Hose Oil Cooler for 2005-2015 Nissan Xterra
4.638 Reviews
$17.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Nissan Xterra: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
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Item LocatedUnited States
Quantity1
ConditionNew
item #10177EL9
Note
Location: Lower.
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Outlet Lower Engine Oil Cooler Hose Assembly for 1996-1998 Chevrolet K1500
A-Premium®Part # APOCL136
Outlet Lower Engine Oil Cooler Hose Assembly for 1996-1998 Chevrolet K1500
4.638 Reviews
$50.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K1500: 1996 1997 1998
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Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZZP0
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Outlet Lower Engine Oil Cooler Hose Assembly for 1996-1998 GMC C1500
A-Premium®Part # APOCL136
Outlet Lower Engine Oil Cooler Hose Assembly for 1996-1998 GMC C1500
4.638 Reviews
$50.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C1500: 1996 1997 1998
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Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZV3T
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Transmission Oil Cooler Line Assembly for 1997-2000 Chrysler Town & Country
A-Premium®Part # APOCL093
Transmission Oil Cooler Line Assembly for 1997-2000 Chrysler Town & Country
4.638 Reviews
$35.99
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 and Outlet
ColorBlack
ConditionNew
item #1003ZZAG
Note
Parts include both inlet and outlet lines and for 1997-1998 3.0L models, they only fit vehicles with Heater and 4 Speed Trans.
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Transmission Oil Cooler Line Assembly for 1997-2000 Dodge Grand Caravan
A-Premium®Part # APOCL093
Transmission Oil Cooler Line Assembly for 1997-2000 Dodge Grand Caravan
4.638 Reviews
$35.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Grand Caravan: 1997 1998 1999 2000
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Item LocatedUnited States
Installation PositionInlet and Outlet
ColorBlack
ConditionNew
item #1003ZW06
Note
Parts include both inlet and outlet lines and for 1997-1998 3.0L models, they only fit vehicles with Heater and 4 Speed Trans.
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Transmission Oil Cooler Line Assembly for 2001-2002 Ford Expedition
A-Premium®Part # APOCL289
Transmission Oil Cooler Line Assembly for 2001-2002 Ford Expedition
4.638 Reviews
$50.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford Expedition: 2001 2002
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Item LocatedUnited States
Quantity1
ColorNatural, Black
ConditionNew
item #1003ZWHY
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Outlet Auto Trans Oil Cooler Line Assembly for 2003-2006 Chevrolet SSR
A-Premium®Part # APOCL221
Outlet Auto Trans Oil Cooler Line Assembly for 2003-2006 Chevrolet SSR
4.638 Reviews
$45.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet SSR: 2003 2004 2005 2006
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Item LocatedUnited States
Installation PositionOutlet From Radiator (Driver Side)
ColorNatural
ConditionNew
item #1003ZVRR
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Outlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC C3500HD
A-Premium®Part # APOCL050
Outlet Engine Oil Cooler Hose Assembly for 1995-1997 GMC C3500HD
4.638 Reviews
$67.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500HD: 1995 1996 1997
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #1003ZUVT
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Inlet Lower Auto Trans Oil Cooler Line Assembly for 1998-1999 Dodge Durango
A-Premium®Part # APOCL034
Inlet Lower Auto Trans Oil Cooler Line Assembly for 1998-1999 Dodge Durango
4.638 Reviews
$19.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Dodge Durango: 1998 1999
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Item LocatedUnited States
Installation PositionInlet From Radiator (Lower)
ColorNatural
ConditionNew
item #1004036R
Note
This inlet line is from radiator (Lower) to auxiliary cooler.
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Auto Trans Oil Cooler Line Assembly for 1995-1999 Chevrolet Monte Carlo
A-Premium®Part # APOCL072
Auto Trans Oil Cooler Line Assembly for 1995-1999 Chevrolet Monte Carlo
4.638 Reviews
$33.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Monte Carlo: 1995 1996 1997 1998 1999
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Item LocatedUnited States
Installation PositionCheck the fitment chart
ColorNatural, Black
ConditionNew
item #100400Y8
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Inlet Upper Engine Oil Cooler Hose Assembly for 1996 GMC G3500
A-Premium®Part # APOCL109
Inlet Upper Engine Oil Cooler Hose Assembly for 1996 GMC G3500
4.638 Reviews
$77.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996 GMC G3500
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1004027A
Note
This part is the inlet (Upper) line and fit vehilces with auxiliary engine oil cooler.
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Lower Auto Trans Oil Cooler Line Assembly for 1998-1999 Chevrolet Monte Carlo
A-Premium®Part # APOCL066
Lower Auto Trans Oil Cooler Line Assembly for 1998-1999 Chevrolet Monte Carlo
4.638 Reviews
$53.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Monte Carlo: 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionLower
ColorNatural, Black
ConditionNew
item #1003ZQVT
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Outlet Lower Auto Trans Oil Cooler Line Assembly for 2002-2009 GMC Envoy
A-Premium®Part # APOCL105
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2002-2009 GMC Envoy
4.638 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Envoy: 2002 2003 2004 2005 2006 2007 2008 2009
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Item LocatedUnited States
Installation PositionOutlet From Radiator (Lower)
ColorNatural
ConditionNew
item #1003ZQXH
Note
This part is the outlet line from the radiator (Lower).
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Outlet Lower Auto Trans Oil Cooler Line Assembly for 2004-2005 GMC Envoy XUV
A-Premium®Part # APOCL105
Outlet Lower Auto Trans Oil Cooler Line Assembly for 2004-2005 GMC Envoy XUV
4.638 Reviews
$60.99
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 PositionOutlet From Radiator (Lower)
ColorNatural
ConditionNew
item #1003ZTRR
Note
This part is the outlet line from the radiator (Lower).
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Lower Auto Trans Oil Cooler Hose for 2003-2005 Chevrolet Silverado 2500 HD
A-Premium®Part # APOCL304
Lower Auto Trans Oil Cooler Hose for 2003-2005 Chevrolet Silverado 2500 HD
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 2500 HD: 2003 2004 2005
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Item LocatedUnited States
Installation PositionTransmission to Radiator (Lower)
ColorNatural, Black
ConditionNew
item #1004V3DL
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Auto Transmission Oil Cooler Hose for 1996-2002 Chevrolet Express 3500
A-Premium®Part # APOCL323
Auto Transmission Oil Cooler Hose for 1996-2002 Chevrolet Express 3500
4.638 Reviews
$79.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Express 3500: 1996 1997 1998 1999 2000 2001 2002
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Item LocatedUnited States
Installation PositionAuxiliary Cooler (Driver Side) to Transmission
ColorNatural, Black
ConditionNew
item #1004V50N
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2 Pcs Auto Transmission Oil Cooler Hose Assembly for 1998 Dodge Caravan
A-Premium®Part # APOCL317
2 Pcs Auto Transmission Oil Cooler Hose Assembly for 1998 Dodge Caravan
4.638 Reviews
$35.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1998 Dodge Caravan
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet
ColorBlack
ConditionNew
item #1004V3AX
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Turbocharger Oil Line for 2000-2004 Audi A6 Quattro
A-Premium®Part # APOCL359
Turbocharger Oil Line for 2000-2004 Audi A6 Quattro
4.638 Reviews
$63.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Audi A6 Quattro: 2000 2001 2002 2003 2004
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
Part interchange
5804011, 078145777C
ConditionNew
item #1013A0S2
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Upper Side Auto Transmission Oil Cooler Hose Assembly for 2007-2017 Jeep Compass
A-Premium®Part # APOCL428
Upper Side Auto Transmission Oil Cooler Hose Assembly for 2007-2017 Jeep Compass
4.638 Reviews
$23.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Jeep Compass: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionUpper
ColorBlack
ConditionNew
item #1013Q7XH
Note
【Note-1】 This item comes with Bypass Valve to Radiator.;
【Note-2】 This item fits the model with Automatic CVT Transmission, with off Road Crawl Ratio Transmission.
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Engine Coolant Breather Pipe for 2005-2006 Pontiac GTO
A-Premium®Part # APOCL594
Engine Coolant Breather Pipe for 2005-2006 Pontiac GTO
4.638 Reviews
$65.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Pontiac GTO: 2005 2006
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
ConditionNew
item #101849TZ
Note
For Cadillac CTS, this item fits the model with T56 Manual 6 Speed Transmission.
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Page 100 of 126

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