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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.

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Outlet Engine Oil Cooler Hose Assembly for 1997-1999 GMC K2500 SuburbanOutlet Engine Oil Cooler Hose Assembly for 1997-1999 GMC K2500 Suburban
A-Premium®Part # APOCL125
Outlet Engine Oil Cooler Hose Assembly for 1997-1999 GMC K2500 Suburban
4.638 Reviews
$61.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC K2500 Suburban: 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #100400ZL
Note
The part only fits V8 6.5L engine and the connecting nut is 27 mm across flats.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500
A-Premium®Part # APOCL045
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZV58
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 GMC Yukon
A-Premium®Part # APOCL045
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 GMC Yukon
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC Yukon: 1996 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZVCT
Show less
Auto Trans Oil Cooler Hose for 2002 Lincoln Blackwood
A-Premium®Part # APOCL338
Auto Trans Oil Cooler Hose for 2002 Lincoln Blackwood
4.638 Reviews
$88.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002 Lincoln Blackwood
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1004V3R5
Show less
Auto Trans Oil Cooler Hose for 2000-2002 Ford Expedition
A-Premium®Part # APOCL338
Auto Trans Oil Cooler Hose for 2000-2002 Ford Expedition
4.638 Reviews
$88.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford Expedition: 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1004V4K5
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-1999 GMC C2500 Suburban
A-Premium®Part # APOCL046
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-1999 GMC C2500 Suburban
4.638 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500 Suburban: 1996 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #1004010D
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 GMC C2500
A-Premium®Part # APOCL046
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 GMC C2500
4.638 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C2500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #100404S2
Show less
Outlet Engine Oil Cooler Hose Assembly for 1997-2000 GMC C3500
A-Premium®Part # APOCL125
Outlet Engine Oil Cooler Hose Assembly for 1997-2000 GMC C3500
4.638 Reviews
$61.99
Low stock: Only 2 left
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 PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #1004042V
Note
The part only fits V8 6.5L engine and the connecting nut is 27 mm across flats.
Show less
Outlet Engine Oil Cooler Hose Assembly for 1997-2000 Chevrolet C3500
A-Premium®Part # APOCL125
Outlet Engine Oil Cooler Hose Assembly for 1997-2000 Chevrolet C3500
4.638 Reviews
$61.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500: 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #100401XV
Note
The part only fits V8 6.5L engine and the connecting nut is 27 mm across flats.
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C2500
A-Premium®Part # APOCL045
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 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: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZZEU
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet Tahoe
A-Premium®Part # APOCL045
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet Tahoe
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Tahoe: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZWRA
Show less
Auto Trans Oil Cooler Hose for 2000-2002 Lincoln Navigator
A-Premium®Part # APOCL338
Auto Trans Oil Cooler Hose for 2000-2002 Lincoln Navigator
4.638 Reviews
$88.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Lincoln Navigator: 2000 2001 2002
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionTransmission to Radiator (Upper)
ColorNatural, Black
ConditionNew
item #1004V0SR
Show less
Outlet Engine Oil Cooler Hose Assembly for 1997-1999 Chevrolet Tahoe
A-Premium®Part # APOCL125
Outlet Engine Oil Cooler Hose Assembly for 1997-1999 Chevrolet Tahoe
4.638 Reviews
$61.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet Tahoe: 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #100401RN
Note
The part only fits V8 6.5L engine and the connecting nut is 27 mm across flats.
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500
A-Premium®Part # APOCL046
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-2000 Chevrolet C3500
4.638 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #100402K6
Show less
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-1999 GMC C1500
A-Premium®Part # APOCL046
Outlet Upper Engine Oil Cooler Hose Assembly for 1996-1999 GMC C1500
4.638 Reviews
$47.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C1500: 1996 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Upper)
ColorNatural, Black
ConditionNew
item #100404DA
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 Chevrolet C1500 Suburban
A-Premium®Part # APOCL045
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-1999 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 Chevrolet C1500 Suburban: 1996 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZW37
Show less
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 GMC C3500
A-Premium®Part # APOCL045
Inlet Lower Engine Oil Cooler Hose Assembly for 1996-2000 GMC C3500
4.638 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits GMC C3500: 1996 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet (Lower)
ColorNatural, Black
ConditionNew
item #1003ZZDW
Show less
2 Pcs Auto Transmission Oil Cooler Hose for 2006-2012 Ford Fusion
A-Premium®Part # APOCL340
2 Pcs Auto Transmission Oil Cooler Hose for 2006-2012 Ford Fusion
4.638 Reviews
$88.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Ford Fusion: 2006 2007 2008 2009 2010 2011 2012
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionInlet and Outlet
ColorNatural, Black
ConditionNew
item #1004V31S
Show less
Outlet Engine Oil Cooler Hose Assembly for 1997-1999 Chevrolet K2500 Suburban
A-Premium®Part # APOCL125
Outlet Engine Oil Cooler Hose Assembly for 1997-1999 Chevrolet K2500 Suburban
4.638 Reviews
$61.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet K2500 Suburban: 1997 1998 1999
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #10040090
Note
The part only fits V8 6.5L engine and the connecting nut is 27 mm across flats.
Show less
Outlet Engine Oil Cooler Hose Assembly for 1997-2000 Chevrolet C3500HD
A-Premium®Part # APOCL125
Outlet Engine Oil Cooler Hose Assembly for 1997-2000 Chevrolet C3500HD
4.638 Reviews
$61.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Chevrolet C3500HD: 1997 1998 1999 2000
Check if this fits your vehicle
Item LocatedUnited States
Installation PositionOutlet (Passenger Side)
ColorNatural, Black
ConditionNew
item #100401R2
Note
The part only fits V8 6.5L engine and the connecting nut is 27 mm across flats.
Show less
Page 17 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

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