GM GENUINE PARTS 15777138 Upper Automatic Transmission Fluid Cooler Line

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 15777138 ), ( Part Type: Fluid Line Transmission Cooler ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Replaces Part Number: 25769570 ), ( Country Of Origin: United States )

Review GM GENUINE PARTS Automatic Transmission Fluid Cooler Upper Line

GM 15777138 Automatic Transmission Fluid Cooler Upper Line

The GM 15777138 automatic transmission fluid cooler upper line is an essential component in the cooling system of your vehicle. This OEM (Original Equipment Manufacturer) part is specifically designed for select General Motors models and ensures the efficient and effective transfer of automatic transmission fluid between the transmission and the cooler.

This upper line measures approximately 12 inches (304.8 mm) in length, 0.35 inches (8.9 mm) in diameter, and weighs around 0.33 pounds (150 grams). It is engineered using high-quality materials, such as reinforced rubber, to withstand the extreme temperatures and pressures encountered within the automotive cooling system.

The GM 15777138 automatic transmission fluid cooler upper line features a robust design, ensuring a secure connection between the transmission and the cooler. This ensures a consistent flow of transmission fluid, which is crucial for maintaining optimal operating temperatures and extending the life of your vehicle's transmission system.

Installing this OEM part is a straightforward process, typically only requiring basic hand tools. By using a genuine GM part like the 15777138, you can have peace of mind knowing that you are using a part that has been specifically engineered and tested to meet the highest standards for performance and durability.

In summary, the GM 15777138 automatic transmission fluid cooler upper line is a crucial component in your vehicle's cooling system. Its high-quality materials, robust design, and easy installation make it an excellent choice for maintaining the health and longevity of your transmission system.

Buying a GM 15777138 automatic transmission fluid cooler upper line involves considering its potential benefits and drawbacks. Here are some points to help you make an informed decision.

1. Ensures Proper Functioning: Replacing the upper line of the transmission fluid cooler ensures that the cooler functions properly, preventing overheating of the transmission fluid and potential damage to the transmission system.

2. Improves Transmission Performance: A new upper line can lead to improved transmission performance, as it allows the fluid to flow smoothly and efficiently.

3. Peace of Mind: Replacing the upper line proactively can give you peace of mind, knowing that your transmission system is in good condition and less likely to fail.

1. Cost: The cost of replacing the upper line of the transmission fluid cooler can be a significant expense, especially if you are not doing the work yourself.

2. Time: The process of replacing the upper line can take some time, as it involves draining the transmission fluid, removing the old line, installing the new line, and refilling the transmission fluid.

3. Complexity: The transmission fluid cooler system can be complex, and replacing the upper line may require specialized tools and knowledge.

The decision to buy a GM 15777138 automatic transmission fluid cooler upper line depends on your individual circumstances. If you value the peace of mind that comes with knowing your transmission system is in good condition, or if you have noticed signs of transmission issues such as overheating or poor performance, then replacing the upper line may be a worthwhile investment. However, if you are on a tight budget or are uncomfortable with the time and complexity involved in the replacement process, you may want to consider other options.

If you decide to go ahead with the replacement, I would recommend researching local transmission shops or mechanics who specialize in this type of work. They may be able to offer competitive pricing and can ensure that the job is done correctly. Additionally, consider purchasing the upper line from a reputable auto parts supplier to ensure that you are getting a high-quality product.

Details:

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part #: 15777138 prices

• $59.99-$86.42

specifications othellodrivetrain:

• brand: Gm Genuine Parts
• mpn: 15777138
• part type: Fluid Line Transmission Cooler
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included
• replaces part number: 25769570
• country of origin: United States

general othellodrivetrain:

• Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain
• condition: New

returns othellodrivetrain:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping othellodrivetrain:

• type: Fixed
• cost: $53.75
• class: Standard
• transit: 3-6 Days
• service: Standard

offer othellodrivetrain:

• sold: 0
• options: Ship-to-home
• quantity: 3
• availability: In Stock
• started: March 7, 2026

payments othellodrivetrain:

• other
• wallet: Apple-pay
• credit card: Diners-club

seller othellodrivetrain:

• rating: 99.6%
• city: Dallas, Texas
• # reviews: 7036

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