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Buick Oil Cooler Line

42 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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Auto Trans Oil Cooler Line Assembly for Buick LaCrosse Chevy ImpalaAuto Trans Oil Cooler Line Assembly for Buick LaCrosse Chevy Impala
A-Premium®Part # APOCL153
Auto Trans Oil Cooler Line Assembly for Buick LaCrosse Chevy Impala
CA$45.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2008 - 2011 Chevrolet Impala, 2008 - 2011 Chevrolet Impala, 2008 - 2009 Buick Allure, 2008 - 2009 Buick LaCrosse, 2008 - 2009 Chevrolet Impala, 2006 - 2011 Chevrolet Impala, 2006 - 2011 Chevrolet Impala, 2006 - 2009 Chevrolet Impala, 2006 - 2007 Chevrolet Monte Carlo, 2005 - 2008 Buick Allure, 2005 - 2008 Buick LaCrosse, 2005 - 2008 Pontiac Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionCheck the fitment chart
ColorNatural, Black
ConditionNew
item #1003ZQ97
Show less
Outlet Lower Transmission Oil Cooler Line for Buick Rainier Chevy Trailblazer
A-Premium®Part # APOCL106
Outlet Lower Transmission Oil Cooler Line for Buick Rainier Chevy Trailblazer
CA$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005 - 2009 Saab 9-7x, 2004 - 2007 Buick Rainier, 2004 - 2005 GMC Envoy XUV, 2003 - 2008 Isuzu Ascender, 2002 - 2009 Chevrolet Trailblazer, 2002 - 2009 GMC Envoy, 2002 - 2006 Chevrolet Trailblazer EXT, 2002 - 2006 GMC Envoy XL, 2002 - 2004 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionRadiator Oil Cooler Outlet (Lower)
ColorNatural
ConditionNew
item #1003ZEVK
Note
This part is from lower radiator to quick connect.
Show less
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Impala Buick LaCrosse
A-Premium®Part # APOCL362
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Impala Buick LaCrosse
CA$109.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2014 - 2020 Chevrolet Impala, 2013 - 2019 Cadillac XTS, 2010 - 2016 Buick LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Installation PositionInlet
ConditionNew
item #10151XU8
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
Show less
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Buick GMC Envoy Saab
A-Premium®Part # APOCL492
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Buick GMC Envoy Saab
CA$49.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2009 Chevrolet Trailblazer, 2006 - 2008 Chevrolet Trailblazer, 2005 - 2009 GMC Envoy, 2005 - 2009 Saab 9-7x, 2004 - 2007 Buick Rainier, 2003 - 2005 Isuzu Ascender
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Installation PositionInlet (Passenger Side)
ConditionNew
item #10154H58
Note
Oil Cooler Line -- At Radiator.
Show less
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Buick Pontiac Saturn
A-Premium®Part # APOCL468
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Buick Pontiac Saturn
CA$126.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2006 Buick Terraza, 2006 - 2006 Chevrolet Uplander, 2005 - 2006 Buick Terraza, 2005 - 2006 Chevrolet Uplander, 2005 - 2006 Pontiac Montana, 2005 - 2006 Saturn Relay
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Installation PositionInlet (Upper)
ConditionNew
item #10151WN9
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
Show less
Outlet Transmission Oil Cooler Line for Chevrolet Malibu 2013-2015 Buick Regal 2014-2017
A-Premium®Part # APOLC017
Outlet Transmission Oil Cooler Line for Chevrolet Malibu 2013-2015 Buick Regal 2014-2017
CA$112.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2014 - 2017 Buick Regal, 2013 - 2015 Chevrolet Malibu, 2013 - 2015 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
QuantityOne Set
Installation PositionOutlet
ConditionNew
item #10154HAC
Show less
Automatic Transmission Oil Cooler Hose for Chevy Venture Pontiac Montana Buick
A-Premium®Part # APOCL313
Automatic Transmission Oil Cooler Hose for Chevy Venture Pontiac Montana Buick
CA$51.99
CA$54.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2007 Buick Rendezvous, 2005 - 2005 Buick Rendezvous, 2005 - 2005 Chevrolet Venture, 2005 - 2005 Pontiac Aztek, 2005 - 2005 Pontiac Montana
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1004V3QQ
Show less
Auto Trans Oil Cooler Line Assembly for Chevy Impala Buick Pontiac
A-Premium®Part # APOCL037
Auto Trans Oil Cooler Line Assembly for Chevy Impala Buick Pontiac
CA$56.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2009 - 2009 Buick Allure, 2009 - 2009 Buick LaCrosse, 2005 - 2008 Buick Allure, 2005 - 2008 Buick LaCrosse, 2004 - 2008 Pontiac Grand Prix, 2004 - 2005 Chevrolet Impala, 2004 - 2005 Chevrolet Impala, 2004 - 2005 Chevrolet Monte Carlo, 2004 - 2005 Chevrolet Monte Carlo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionCheck the fitment chart
ColorNatural, Black
ConditionNew
item #100404QL
Note
For Impala & Monte Carlo & Grand Prix, the line only fits vehicles built From 2/01/2004
Show less
Inlet Transmission Oil Cooler Line for Chevrolet Malibu 2013-2015 Buick Regal 2014-2017
A-Premium®Part # APOLC016
Inlet Transmission Oil Cooler Line for Chevrolet Malibu 2013-2015 Buick Regal 2014-2017
CA$88.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2014 - 2017 Buick Regal, 2013 - 2015 Chevrolet Malibu, 2013 - 2015 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
QuantityOne Set
Installation PositionInlet
ConditionNew
item #10154N9W
Show less
2 Pcs Automatic Transmission Oil Cooler Lines for Buick LeSabre Pontiac Bonneville
A-Premium®Part # APOCL609
2 Pcs Automatic Transmission Oil Cooler Lines for Buick LeSabre Pontiac Bonneville
CA$115.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2005 Buick LeSabre, 2000 - 2005 Buick Park Avenue, 2000 - 2005 Pontiac Bonneville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity2
Installation PositionLower & Upper Radiator To Transmission; Inlet From Radiator (Lower) To Transmission (Front) & Transmission To Radiator (Upper)
ConditionNew
item #1018A633
Show less
Automatic Trans Oil Cooler Hose for Buick LeSabre Park Avenue Pontiac Bonneville
A-Premium®Part # APOCL303
Automatic Trans Oil Cooler Hose for Buick LeSabre Park Avenue Pontiac Bonneville
CA$50.99
CA$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2005 Buick LeSabre, 2000 - 2005 Buick Park Avenue, 2000 - 2005 Pontiac Bonneville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Quantity1
ColorNatural, Black
ConditionNew
item #1004V08U
Show less
Auto Trans Oil Cooler Line Assembly for Buick LeSabre Park Avenue
A-Premium®Part # APOCL031
Auto Trans Oil Cooler Line Assembly for Buick LeSabre Park Avenue
CA$65.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2005 Buick LeSabre, 2000 - 2005 Buick Park Avenue, 2000 - 2005 Pontiac Bonneville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionCheck the fitment chart
ColorNatural, Black
ConditionNew
item #1003ZS51
Show less
Outlet Auto Trans Oil Cooler Line Assembly for Buick Rainier Chevy GMC Saab
A-Premium®Part # APOCL221
Outlet Auto Trans Oil Cooler Line Assembly for Buick Rainier Chevy GMC Saab
CA$54.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2008 - 2009 Saab 9-7x, 2006 - 2009 Chevrolet Trailblazer, 2006 - 2008 Chevrolet Trailblazer, 2005 - 2009 GMC Envoy, 2005 - 2009 Saab 9-7x, 2005 - 2006 Chevrolet SSR, 2004 - 2007 Buick Rainier, 2004 - 2005 GMC Envoy XUV, 2003 - 2006 Chevrolet Trailblazer EXT, 2003 - 2006 GMC Envoy XL, 2003 - 2006 Isuzu Ascender, 2003 - 2004 Chevrolet SSR
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionOutlet From Radiator (Driver Side)
ColorNatural
ConditionNew
item #1003ZUR7
Show less
Outlet Automatic Transmission Oil Cooler Hose for Chevrolet Buick Pontiac Saturn
A-Premium®Part # APOCL363
Outlet Automatic Transmission Oil Cooler Hose for Chevrolet Buick Pontiac Saturn
CA$117.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2007 - 2009 Chevrolet Uplander, 2007 - 2009 Pontiac Montana, 2007 - 2007 Buick Terraza, 2007 - 2007 Saturn Relay, 2006 - 2006 Buick Terraza, 2006 - 2006 Chevrolet Uplander, 2006 - 2006 Pontiac Montana, 2006 - 2006 Saturn Relay
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Installation PositionOutlet
ConditionNew
item #10151XC1
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
Show less
Automatic Transmission Oil Cooler Hose for Chevrolet Trailblazer GMC Envoy Buick
A-Premium®Part # APOCL339
Automatic Transmission Oil Cooler Hose for Chevrolet Trailblazer GMC Envoy Buick
CA$71.99
CA$75.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005 - 2009 Saab 9-7x, 2004 - 2007 Buick Rainier, 2004 - 2005 GMC Envoy XUV, 2003 - 2008 Isuzu Ascender, 2002 - 2009 Chevrolet Trailblazer, 2002 - 2009 GMC Envoy, 2002 - 2006 Chevrolet Trailblazer EXT, 2002 - 2006 GMC Envoy XL, 2002 - 2004 Oldsmobile Bravada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionInlet From Radiator (Upper)
ColorNatural
ConditionNew
item #1004V1UD
Show less
Upper Auto Trans Oil Cooler Line Assembly for Chevy Impala Monte Carlo Buick
A-Premium®Part # APOCL104
Upper Auto Trans Oil Cooler Line Assembly for Chevy Impala Monte Carlo Buick
CA$65.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2005 Buick Century, 2000 - 2004 Buick Regal, 2000 - 2003 Chevrolet Impala, 2000 - 2003 Chevrolet Impala, 2000 - 2003 Chevrolet Monte Carlo, 2000 - 2003 Chevrolet Monte Carlo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionRadiator to Transmission(Upper)
ColorNatural, Black
ConditionNew
item #1003ZQLU
Note
The location of this line is from the auxiliary cooler (driver Side) to the transmission.
Show less
Auto Transmission Oil Cooler Line Assembly for Buick Enclave GMC Saturn
A-Premium®Part # APOCL243
Auto Transmission Oil Cooler Line Assembly for Buick Enclave GMC Saturn
CA$41.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2017 - 2017 GMC Acadia Limited, 2016 - 2019 Buick Enclave, 2016 - 2019 Chevrolet Traverse, 2016 - 2019 GMC Acadia, 2009 - 2015 Chevrolet Traverse, 2008 - 2015 Buick Enclave, 2007 - 2015 GMC Acadia, 2007 - 2010 Saturn Outlook
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionCheck the fitment chart
ColorNatural, Black
ConditionNew
item #1003ZYCT
Show less
Automatic Transmission Oil Cooler Hose for Chevy Cruze 2011-2014 Buick Cascada
A-Premium®Part # APOCL314
Automatic Transmission Oil Cooler Hose for Chevy Cruze 2011-2014 Buick Cascada
CA$63.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2016 - 2019 Buick Cascada, 2014 - 2014 Chevrolet Cruze, 2011 - 2013 Chevrolet Cruze
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Quantity1
ColorNatural, Black
ConditionNew
item #1004V4EL
Show less
Outlet Lower Auto Trans Oil Cooler Line Assembly for Buick Terraza Chevy Saturn
A-Premium®Part # APOCL233
Outlet Lower Auto Trans Oil Cooler Line Assembly for Buick Terraza Chevy Saturn
CA$90.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2007 Buick Rendezvous, 2006 - 2006 Buick Terraza, 2006 - 2006 Chevrolet Uplander, 2005 - 2006 Buick Terraza, 2005 - 2006 Chevrolet Uplander, 2005 - 2006 Pontiac Montana, 2005 - 2006 Saturn Relay, 2005 - 2005 Buick Rendezvous, 2005 - 2005 Pontiac Aztek
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedCanada
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZYNC
Show less
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Traverse 2018-2021
A-Premium®Part # APOCL368
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Traverse 2018-2021
CA$126.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2018 - 2021 Buick Enclave, 2018 - 2021 Chevrolet Traverse
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Installation PositionInlet
ConditionNew
item #10151YR8
Note
【Note-1】 This item fits with Automatic Transmission Only, not fit Manual Transmission.;
【Note-2】 This item fits the model without Heavy Duty Cooling (V08).
Show less
Page 1 of 3

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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Jul 21, 2026

What Are Oil Cooler Lines and Everything You Need to Know

The oil cooler lines are a critical component of the engine's cooling system. They play a vital role in regulating the temperature of the engine oil, which is essential for the proper operation and longevity of the engine.

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