GM GENUINE PARTS 20977534 Lower Automatic Transmission Fluid Cooler Line

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 20977534 ), ( Part Type: Fluid Line Transmission Cooler ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2011 2012 2013 2014 ), ( Parts Included: Only Part Reference 3 On The Diagram Is Included ), ( Replaces Part Number: 20916642 )

Review GM GENUINE PARTS Automatic Transmission Fluid Cooler Lower Line fits 2011–2014

GM 20977534 Automatic Transmission Fluid Cooler Lower Line

The GM 20977534 Automatic Transmission Fluid Cooler Lower Line is a crucial component in the cooling system of General Motors automatic transmissions. This line facilitates the circulation of transmission fluid through the cooler, allowing it to absorb heat and maintain optimal operating temperature.

This lower line is manufactured with high-quality materials to ensure durability and longevity. It is made from reinforced rubber, providing both flexibility and strength, while its ribbed design enhances its ability to withstand the high pressures and temperatures encountered in the transmission system.

Measuring approximately 26 inches in length, the GM 20977534 Automatic Transmission Fluid Cooler Lower Line is designed to fit specific GM applications. Its tapered ends ensure a secure connection to the transmission cooler and the transmission, minimizing the risk of leaks.

This cooler line is an essential part of the overall cooling system, playing a vital role in maintaining the smooth and efficient operation of the automatic transmission. Regular replacement of the transmission cooler lines is recommended as part of routine maintenance, as the constant exposure to heat and transmission fluid can cause the lines to deteriorate over time.

Installing the GM 20977534 Automatic Transmission Fluid Cooler Lower Line is a straightforward process for experienced mechanics or DIY enthusiasts with the right tools and knowledge. Always ensure the transmission is cooled down and drained before installation to prevent potential damage.

In summary, the GM 20977534 Automatic Transmission Fluid Cooler Lower Line is a vital component in the cooling system of GM automatic transmissions, ensuring the fluid remains at optimal temperature for efficient and reliable operation. Made from high-quality materials, this line offers durability and resistance to the harsh conditions within the transmission system.

Buying a GM 20977534 Automatic Transmission Fluid Cooler Lower Line involves considering both its advantages and disadvantages to determine if it's a worthwhile investment for your vehicle.

1. Enhanced Cooling: Replacing the lower line with a new one ensures effective cooling of the automatic transmission fluid, which is essential for optimal performance and longevity of your vehicle's transmission system.

2. Preventing Leaks: A worn-out or damaged lower line can cause transmission fluid leaks. By replacing it with a new one, you can prevent potential leaks and save yourself from costly repairs or replacement of the entire transmission system.

3. Improved Transmission Shifting: Proper transmission fluid cooling plays a vital role in consistent and smooth shifting. By maintaining the cooling system with a new lower line, you can ensure your vehicle's transmission shifts smoothly and reliably.

1. Cost: Replacing the GM 20977534 Automatic Transmission Fluid Cooler Lower Line can be an expensive repair, especially if you choose to have it done at a professional repair shop. The cost includes the price of the new part, labor, and any additional fees.

2. DIY Complexity: Replacing the lower line yourself can be a challenging task, requiring specialized tools and knowledge of your vehicle's transmission cooling system. It may not be recommended for those without automotive repair experience.

3. Potential for Additional Repairs: When replacing the lower line, it's essential to inspect other components of the cooling system for any signs of damage or wear. This could lead to additional repair costs if other parts need to be replaced.

Investing in a new GM 20977534 Automatic Transmission Fluid Cooler Lower Line can provide several benefits, including improved cooling, leak prevention, and consistent transmission shifting. However, the relatively high cost and potential complexity of the repair should be taken into consideration. If you notice signs of a leaking lower line or experience transmission shifting issues, it may be worth the investment to ensure the long-term health of your vehicle's transmission system.

If you're comfortable with automotive repairs and have the necessary tools and knowledge, replacing the lower line yourself can save you money. Alternatively, consider taking your vehicle to a professional repair shop for a diagnosis and an accurate estimate of the repair costs. Regular transmission fluid changes and maintenance can help prevent the need for costly repairs in the future.

Details:

Electrical parts are not returnable. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 20977534 prices

• $28.71-$63.74

specifications othellodrivetrain:

• for years: 2011-2014
• brand: Gm Genuine Parts
• mpn: 20977534
• part type: Fluid Line Transmission Cooler
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Chevrolet
• year: 2011 2012 2013 2014
• parts included: Only Part Reference 3 On The Diagram Is Included
• replaces part number: 20916642

payments othellodrivetrain:

• credit card: Discover
• wallet: Google-pay
• other

shipping othellodrivetrain:

• transit: 5-11 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $28.76

general othellodrivetrain:

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

returns othellodrivetrain:

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

seller othellodrivetrain:

• city: Chehalis, Washington
• rating: 96.7%
• # reviews: 32

offer othellodrivetrain:

• sold: 0
• quantity: 1
• started: July 19, 2025
• availability: In Stock
• options: Ship-to-home

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