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Hummer Oil Cooler Line

6 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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Inlet Right Auto Transmission Oil Cooler Pressure Line for Hummer H3 2006-2010 H3T 2009-2010Inlet Right Auto Transmission Oil Cooler Pressure Line for Hummer H3 2006-2010 H3T 2009-2010
A-Premium®Part # APOCL443
Inlet Right Auto Transmission Oil Cooler Pressure Line for Hummer H3 2006-2010 H3T 2009-2010
CA$167.99
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3-year warranty
90 days free return
Fits 2009 - 2010 Hummer H3T, 2006 - 2010 Hummer H3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Hummer
Item LocatedUnited States
Installation PositionInlet Passenger
ConditionNew
item #10156G6W
Note
This item fits the model with Automatic Transmission.
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Engine Oil Cooler Hose Assembly for Hummer H2 2004-2007
A-Premium®Part # APOCL242
Engine Oil Cooler Hose Assembly for Hummer H2 2004-2007
CA$150.99
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3-year warranty
90 days free return
Fits 2005 - 2007 Hummer H2, 2004 - 2004 Hummer H2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Hummer
Item LocatedCanada
Installation PositionInlet and Outlet
ColorNatural, Black
ConditionNew
item #1003ZPZZ
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Inlet Transmission Oil Cooler Line Assembly for Hummer H2 2003-2009
A-Premium®Part # APOCL266
Inlet Transmission Oil Cooler Line Assembly for Hummer H2 2003-2009
CA$66.99
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3-year warranty
90 days free return
Fits 2003 - 2009 Hummer H2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Hummer
Item LocatedCanada
Installation PositionAuxiliary Cooler Inlet (Passenger Side)
ColorNatural
ConditionNew
item #1003ZWNG
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Engine Oil Fill Tube for Chevy Tahoe Silverado 1500 GMC Yukon Buick Cadillac
A-Premium®Part # APOCL349
Engine Oil Fill Tube for Chevy Tahoe Silverado 1500 GMC Yukon Buick Cadillac
CA$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008 - 2008 Hummer H3, 2007 - 2008 Chevrolet Avalanche, 2007 - 2008 Chevrolet Silverado 3500 HD, 2007 - 2008 GMC Sierra 3500 HD, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2007 - 2007 GMC Sierra 1500 Classic, 2007 - 2007 GMC Sierra 1500 HD Classic, 2007 - 2007 GMC Sierra 2500 HD Classic, 2007 - 2007 GMC Sierra 3500 Classic, 2006 - 2008 Chevrolet Trailblazer, 2005 - 2008 GMC Envoy, 2005 - 2006 Chevrolet Silverado 1500 HD, 2005 - 2006 GMC Sierra 1500 HD, 2004 - 2007 Buick Rainier, 2004 - 2007 GMC W3500 Forward, 2004 - 2005 GMC Envoy XUV, 2003 - 2008 Chevrolet Silverado 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Hummer
Item LocatedCanada
Quantity1
ColorBlack
ConditionNew
item #10019NUT
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Upper Side Automatic Transmission Oil Cooler Line for Hummer H2 2003-2007 V8 6.0L
A-Premium®Part # APOCL399
Upper Side Automatic Transmission Oil Cooler Line for Hummer H2 2003-2007 V8 6.0L
CA$190.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003 - 2007 Hummer H2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Hummer
Item LocatedUnited States
Installation PositionUpper
ColorSilver
ConditionNew
item #101569X9
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Engine Oil Cooler Hose Assembly for Hummer H2 2003-2004
A-Premium®Part # APOCL258
Engine Oil Cooler Hose Assembly for Hummer H2 2003-2004
CA$121.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2004 Hummer H2, 2003 - 2003 Hummer H2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Hummer
Item LocatedCanada
Installation PositionInlet and Outlet
ColorNatural, Black
ConditionNew
item #1003ZS1W
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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

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

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.

Jul 21, 2026