Save Up to 15% on Back to School Auto Parts
24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
A-Premium Back to School Car Deals Up to 15% OFFA-Premium Back to School Car Deals Up to 15% OFF
Add your vehicle to ensure fitment/Choose a yearRequired Fields
Select a different vehicle
Make/Model
VIN
Save

2020 Cadillac XT4 Oil Cooler Line

4 items

Keep your engine cool with A-Premium's reliable oil cooler lines. Trust our high-quality parts for the best performance and durability.

  • All filters
  • Sort By
  • Price
  • Placement on Vehicle
  • Brand
  • Material
  • Color
  • Warranty
Automatic Transmission Oil Cooler Inlet Hose for Chevy Equinox Buick EnvisionAutomatic Transmission Oil Cooler Inlet Hose for Chevy Equinox Buick Envision
A-Premium®Part # APOCL382
Automatic Transmission Oil Cooler Inlet Hose for Chevy Equinox Buick Envision
4.631 Reviews
$55.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2019 - 2022 Cadillac XT4, 2021 - 2025 Buick Envision, 2025 - 2025 Chevrolet Equinox
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2020 Cadillac XT4
Item LocatedUnited States
Installation PositionInlet
ConditionNew
item #10183XA1
Note
This item fits with Automatic Transmission Only, not fit Manual Transmission.
Show less
Outlet Transmission Oil Cooler Line for Chevy Equinox Blazer GMC Acadia Buick
A-Premium®Part # APOCL381
Outlet Transmission Oil Cooler Line for Chevy Equinox Blazer GMC Acadia Buick
4.631 Reviews
$33.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2021 - 2022 Buick Envision, 2021 - 2023 Buick Envision, 2021 - 2025 Buick Envision, 2021 - 2025 Buick Envision, 2024 - 2025 Buick Envision, 2019 - 2019 Cadillac XT4, 2019 - 2024 Cadillac XT4, 2019 - 2025 Cadillac XT4, 2019 - 2025 Cadillac XT4, 2020 - 2025 Cadillac XT5, 2020 - 2025 Cadillac XT5, 2021 - 2025 Cadillac XT6, 2020 - 2025 Chevrolet Blazer, 2021 - 2025 Chevrolet Blazer, 2025 - 2025 Chevrolet Equinox, 2025 - 2025 Chevrolet Equinox, 2020 - 2023 GMC Acadia, 2020 - 2023 GMC Acadia, 2021 - 2023 GMC Acadia
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2020 Cadillac XT4
Item LocatedUnited States
Installation PositionOutlet
ColorBlack
ConditionNew
item #1013DYQ1
Show less
Automatic Transmission Oil Cooler Hose for Buick Envision 2021-2023 Cadillac XT4
A-Premium®Part # APOCL369
Automatic Transmission Oil Cooler Hose for Buick Envision 2021-2023 Cadillac XT4
4.631 Reviews
$58.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2019 - 2023 Cadillac XT4, 2021 - 2023 Buick Envision
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2020 Cadillac XT4
Item LocatedUnited States
Installation PositionOutlet To Transmission (Rear)
ConditionNew
item #101881KP
Note
【Note-1】This item fits with Automatic Transmission Only, does not fit Manual Transmission.
【Note-2】 For Cadillac XT4, this item fits the model without Heavy Duty Transmission Oil Cooler.
Show less
Outlet Transmission Oil Cooler Line for Cadillac XT4 2019-2024 L4 2.0L
A-Premium®Part # APOCL388
Outlet Transmission Oil Cooler Line for Cadillac XT4 2019-2024 L4 2.0L
4.631 Reviews
$89.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2019 - 2024 Cadillac XT4
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2020 Cadillac XT4
Item LocatedUnited States
Installation PositionOutlet
ConditionNew
item #10154LPY
Note
Oil Cooler Line -- Auxiliary cooler, Automatic transmission, It fits the model with heavy duty cooler & heavy duty cooling.
Show less

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

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

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