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Oil Cooler Line

626 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 Mitsubishi Montero Sport 1997-2004Auto Trans Oil Cooler Line Assembly for Mitsubishi Montero Sport 1997-2004
A-Premium®Part # APOCL222
Auto Trans Oil Cooler Line Assembly for Mitsubishi Montero Sport 1997-2004
4.637 Reviews
$20.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999 - 2004 Mitsubishi Montero Sport, 1997 - 2003 Mitsubishi Montero Sport
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Item LocatedUnited States
Installation PositionInlet; Outlet
ColorBlack
ConditionNew
item #1003ZTZ7
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Inlet and Outlet Auto Trans. Oil Cooler Hose for Chevy Tahoe GMC Yukon Cadillac
A-Premium®Part # APOCL483
Inlet and Outlet Auto Trans. Oil Cooler Hose for Chevy Tahoe GMC Yukon Cadillac
4.637 Reviews
$245.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2024 - 2024 Cadillac Escalade, 2024 - 2024 Cadillac Escalade ESV, 2024 - 2024 Chevrolet Tahoe, 2024 - 2024 Chevrolet Tahoe, 2024 - 2024 GMC Yukon, 2024 - 2024 GMC Yukon
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Item LocatedUnited States
Installation PositionInlet and Outlet
ConditionNew
item #101779LN
Note
【Note-1】 Location: Inlet and Outlet.
【Note-2】 This item fits models with Automatic Transmission Only, not fit Manual Transmission.
【Note-3】 This item fits models with V8 5.3L & V8 6.2L Engine, not L6 3.0L Engine.
【Note-4】 For 2024 Chevrolet Tahoe V8 5.3L, This item fits the model except Police sbumodel.
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Upper Transmission Oil Cooler Line for Buick Lucerne 2009-2011 V6 3.9L GAS
A-Premium®Part # APOCL540
Upper Transmission Oil Cooler Line for Buick Lucerne 2009-2011 V6 3.9L GAS
4.637 Reviews
$56.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2009 - 2011 Buick Lucerne
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Item LocatedUnited States
Installation PositionUpper
ColorBlack; Silver
ConditionNew
item #101779R5
Note
This item only fits the model with V6 3.9L, not fits V8 4.6L.
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Transmission Oil Cooler Line for GMC Acadia Cadillac XT5 XT6 Chevrolet Blazer
A-Premium®Part # APOCL448
Transmission Oil Cooler Line for GMC Acadia Cadillac XT5 XT6 Chevrolet Blazer
4.637 Reviews
$41.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2025 - 2025 Cadillac XT5, 2024 - 2024 Chevrolet Blazer, 2022 - 2025 Chevrolet Blazer, 2021 - 2023 GMC Acadia, 2020 - 2025 Cadillac XT5, 2020 - 2025 Cadillac XT6, 2020 - 2025 Cadillac XT6, 2020 - 2025 Chevrolet Blazer, 2020 - 2023 GMC Acadia, 2020 - 2023 GMC Acadia, 2020 - 2023 GMC Acadia, 2020 - 2023 GMC Acadia, 2019 - 2025 Chevrolet Blazer, 2019 - 2025 Chevrolet Blazer, 2019 - 2019 Chevrolet Blazer, 2018 - 2019 GMC Acadia, 2018 - 2019 GMC Acadia, 2018 - 2019 GMC Acadia, 2017 - 2025 Cadillac XT5, 2017 - 2019 Cadillac XT5
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Item LocatedUnited States
Quantity1
ConditionNew
item #10156AX5
Note
【Note-1】 For 2017 GMC Acadia fits 4WD (Four Wheel Drive) or FWD (Front Wheel Drive), not AWD (All Wheel Drive).
【Note-2】 This item fits with Heavy Duty Cooling (V08).
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Outlet Engine Oil Cooler Line for BMW M4 2021-2024 X4 2022 L6 3.0L
A-Premium®Part # APOLC031
Outlet Engine Oil Cooler Line for BMW M4 2021-2024 X4 2022 L6 3.0L
4.637 Reviews
$110.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2022 - 2022 BMW X4, 2021 - 2024 BMW M4
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Item LocatedUnited States
QuantityOne Set
Installation PositionOutlet
ConditionNew
item #10154KDV
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Automatic Transmission Oil Cooler Line for Jeep TJ Wrangler 2000-2002 L4 2.5L
A-Premium®Part # APOCL423
Automatic Transmission Oil Cooler Line for Jeep TJ Wrangler 2000-2002 L4 2.5L
4.637 Reviews
$60.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2002 Jeep Wrangler
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Item LocatedUnited States
QuantityOne Set
ConditionNew
item #10154LH0
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
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Upper Transmission Oil Cooler Line Assembly for Chrysler Concorde Dodge 98-04
A-Premium®Part # APOCL179
Upper Transmission Oil Cooler Line Assembly for Chrysler Concorde Dodge 98-04
4.637 Reviews
$44.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1998 - 2004 Chrysler Concorde, 1998 - 2004 Chrysler Intrepid, 1998 - 2004 Dodge Intrepid
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Upper)
ColorNatural
ConditionNew
item #1004CDE3
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Upper Auto Transmission Oil Cooler Hose Assembly for Chevrolet Astro GMC Safari
A-Premium®Part # APOCL329
Upper Auto Transmission Oil Cooler Hose Assembly for Chevrolet Astro GMC Safari
4.637 Reviews
$50.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996 - 2005 Chevrolet Astro, 1996 - 2005 GMC Safari
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Item LocatedUnited States
Installation PositionRadiator to Transmission
ColorNatural, Black
ConditionNew
item #1004V1PV
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Auto Trans Oil Cooler Hose Assy for Ford Edge Lincoln MKX 2012-2015
A-Premium®Part # APOCL452
Auto Trans Oil Cooler Hose Assy for Ford Edge Lincoln MKX 2012-2015
4.637 Reviews
$101.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015 - 2015 Ford Edge, 2012 - 2015 Ford Edge, 2012 - 2015 Ford Edge, 2012 - 2015 Lincoln MKX, 2012 - 2014 Ford Edge
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Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #10151YNQ
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Outlet Automatic Transmission Oil Cooler Hose Line for GMC Acadia Chevy Blazer
A-Premium®Part # APOCL419
Outlet Automatic Transmission Oil Cooler Hose Line for GMC Acadia Chevy Blazer
4.637 Reviews
$66.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2020 - 2023 Cadillac XT5, 2020 - 2023 Cadillac XT6, 2020 - 2023 GMC Acadia, 2019 - 2023 Chevrolet Blazer
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet
ConditionNew
item #10151WAS
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
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Inlet Transmission Oil Cooler Line for Chevrolet Silverado 2500 HD 3500 HD GMC
A-Premium®Part # APOCL378
Inlet Transmission Oil Cooler Line for Chevrolet Silverado 2500 HD 3500 HD GMC
4.637 Reviews
$88.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015 - 2016 Chevrolet Silverado 2500 HD, 2015 - 2016 Chevrolet Silverado 3500 HD, 2015 - 2016 GMC Sierra 2500 HD, 2015 - 2016 GMC Sierra 3500 HD
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Item LocatedUnited States
Quantity1
Installation PositionInlet
ConditionNew
item #101520Y8
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Automatic Transmission Oil Cooler Hose for GMC Acadia 2017-2022 Chevrolet Blazer
A-Premium®Part # APOCL458
Automatic Transmission Oil Cooler Hose for GMC Acadia 2017-2022 Chevrolet Blazer
4.637 Reviews
$78.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2020 - 2022 GMC Acadia, 2019 - 2023 Chevrolet Blazer, 2019 - 2021 Chevrolet Blazer, 2017 - 2021 GMC Acadia
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet From Radiator (Upper)
ConditionNew
item #10151Y0L
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
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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
4.637 Reviews
$51.99
Low stock: Only 2 left
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
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Item LocatedUnited States
Installation PositionInlet (Passenger Side)
ConditionNew
item #10154H58
Note
Oil Cooler Line -- At Radiator.
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Automatic Transmission Oil Cooler Hose Line for Buick Envision 2019-2020 L4 2.0L
A-Premium®Part # APOCL386
Automatic Transmission Oil Cooler Hose Line for Buick Envision 2019-2020 L4 2.0L
4.637 Reviews
$170.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2019 - 2020 Buick Envision
Check if this fits your vehicle
Item LocatedUnited States
QuantityOne Set
ConditionNew
item #10154HAU
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for Chevy Express 2500 3500 GMC
A-Premium®Part # APOCL049
Inlet Lower Engine Oil Cooler Hose Assembly for Chevy Express 2500 3500 GMC
4.637 Reviews
$51.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996 - 2002 Chevrolet Express 2500, 1996 - 2002 Chevrolet Express 3500, 1996 - 2002 GMC Savana 2500, 1996 - 2002 GMC Savana 3500
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1004003T
Note
The part only fits vehicles with V8 6.5L engine.
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Engine Oil Hose Tube Pipe for Mazda 3 2004-2009 5 2006-2010
A-Premium®Part # APOCL523
Engine Oil Hose Tube Pipe for Mazda 3 2004-2009 5 2006-2010
4.637 Reviews
$58.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2008 - 2010 Mazda 5, 2008 - 2010 Mazda 5, 2008 - 2009 Mazda 3, 2008 - 2009 Mazda 3, 2008 - 2009 Mazda 3, 2007 - 2010 Mazda 5, 2007 - 2009 Mazda 3, 2006 - 2010 Mazda 5, 2006 - 2010 Mazda 5, 2005 - 2005 Mazda 3, 2004 - 2009 Mazda 3, 2004 - 2009 Mazda 3
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Item LocatedUnited States
Quantity1
Part interchange
5801411, FNK1199G1D, FNK119930A
ConditionNew
item #10183WXA
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Inlet Upper Transmission Oil Cooler Line Assembly for Chevy Cavalier 1995-2001
A-Premium®Part # APOCL076
Inlet Upper Transmission Oil Cooler Line Assembly for Chevy Cavalier 1995-2001
4.637 Reviews
$29.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995 - 2001 Chevrolet Cavalier, 1995 - 2001 Pontiac Sunfire
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Item LocatedUnited States
Installation PositionInlet (Upper)
ColorNatural, Black
ConditionNew
item #1003ZUA0
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Inlet Lower Transmission Oil Cooler Line Assembly for Jeep Grand Cherokee 93-95
A-Premium®Part # APOCL239
Inlet Lower Transmission Oil Cooler Line Assembly for Jeep Grand Cherokee 93-95
4.637 Reviews
$18.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1993 - 1995 Jeep Grand Cherokee
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Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural
ConditionNew
item #1003ZZSU
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Outlet Lower Auto Trans Oil Cooler Line Assembly for Chrysler Dodge Intrepid
A-Premium®Part # APOCL180
Outlet Lower Auto Trans Oil Cooler Line Assembly for Chrysler Dodge Intrepid
4.637 Reviews
$54.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2004 Chrysler Intrepid, 1998 - 2004 Chrysler Concorde, 1998 - 2004 Dodge Intrepid, 1998 - 1999 Chrysler Intrepid
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZT7N
Note
The part is the return line that connects from the radiator to transmission.
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Auto Transmission Oil Cooler Line Assembly for Dodge Plymouth Neon 1995-1999
A-Premium®Part # APOCL148
Auto Transmission Oil Cooler Line Assembly for Dodge Plymouth Neon 1995-1999
4.637 Reviews
$22.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999 - 1999 Dodge Neon, 1995 - 1999 Plymouth Neon, 1995 - 1998 Dodge Neon
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionCheck the fitment chart
ColorBlack
ConditionNew
item #1003ZRHR
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Page 28 of 32

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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What Are Oil Cooler Lines and Everything You Need to Know

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Jul 21, 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