TYC SX-4945 Automatic Transmission Oil Cooler

( Brand: Tyc ), ( Type: Automatic Transmission Oil Cooler ), ( Manufacturer Part Number: SX-4945 ), ( Item Width: 12.680 ), ( Item Height: 11.420 ), ( Item Length: 33.460 ), ( Manufacturer Warranty: Lifetime ), ( Ipn: C686 70-37 ), ( Placement On Vehicle: Belts Cooling Radiators Coolers ), ( Compatible Model: Sierra 1500 Classic ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Tyc Automatic Transmission Oil Cooler )

Review TYC Automatic Transmission Oil Cooler Gmc fits SIERRA CLASSIC 1500 PX 2007

Introducing the Tyc SX-4945 Automatic Transmission Oil Cooler, a high-performance cooling solution engineered specifically for 2007 GMC Sierra 1500 Classic PX models. This oil cooler is designed to enhance the longevity and efficiency of your vehicle's automatic transmission system, ensuring optimal performance under various driving conditions.

The Tyc SX-4945 is an external oil cooler, meaning it is installed outside the engine compartment. This design allows for improved cooling efficiency as the cooler is exposed to ambient airflow, which facilitates faster heat dissipation. The cooler's compact size makes it an excellent choice for those seeking additional cooling capacity without significantly increasing the vehicle's dimensions.

This oil cooler features a unique, tubular core design with a large cooling surface area. The high-density, finned tubes efficiently transfer heat away from the transmission oil, maintaining a consistent temperature that promotes smooth shifting and extended transmission life.

The Tyc SX-4945 is constructed from premium materials, including heavy-duty aluminum, ensuring durability and resistance to corrosion. The cooler comes equipped with a high-quality, reinforced rubber hose kit for secure installation and reliable sealing.

Installation is made easy with the inclusion of factory-style mounting brackets, which directly attach to the existing transmission mounting points on your 2007 GMC Sierra 1500 Classic PX. This OEM-style integration minimizes the need for modifications and ensures a seamless fit.

In summary, the Tyc SX-4945 Automatic Transmission Oil Cooler is an excellent investment for 2007 GMC Sierra 1500 Classic PX owners seeking to improve their vehicle's transmission cooling capabilities. Its compact, tubular design, premium construction, and easy installation make it a top choice for those who demand superior performance and longevity from their vehicles.

Buying a Tyc SX-4945 automatic transmission oil cooler for a 2007 GMC Sierra 1500 Classic can be a consideration for those looking to improve their vehicle's cooling system. Here are some pros and cons to help make an informed decision:

1. Enhanced Cooling: The Tyc SX-4945 oil cooler is designed to provide additional cooling for the automatic transmission fluid. This can help prevent overheating, which can lead to transmission damage and potential failure.

2. Improved Performance: By maintaining proper transmission temperatures, the oil cooler can also help improve overall vehicle performance. Cooler transmission fluid allows for smoother shifts and reduces the wear and tear on the transmission.

3. Cost-Effective: Compared to other cooling solutions, such as a transmission aftercooler or a larger radiator, an oil cooler is a more cost-effective option for those looking to improve their cooling system.

4. Easy Installation: The Tyc SX-4945 oil cooler is relatively easy to install, with most users reporting that the process takes around 2-3 hours.

1. Additional Cost: While the oil cooler may be a cost-effective option compared to other cooling solutions, it still requires an additional investment. The cost of the cooler, as well as any necessary parts or labor, should be considered.

2. Maintenance: Like any cooling system component, an oil cooler requires regular maintenance. This includes checking the coolant level and replacing the coolant at recommended intervals.

3. Limited Temperature Range: An oil cooler is not as effective at reducing temperatures in extreme conditions as other cooling solutions. Those who frequently operate their vehicle in extremely hot or cold temperatures may want to consider other options.

The Tyc SX-4945 automatic transmission oil cooler can be a worthwhile investment for those looking to improve the cooling system of their 2007 GMC Sierra 1500 Classic. It offers the benefits of enhanced cooling, improved performance, and cost-effectiveness, while also being relatively easy to install. However, it does require additional cost and maintenance, and may not be as effective in extreme temperatures. Ultimately, the decision to purchase an oil cooler should be based on an individual's specific needs and budget.

If you frequently operate your 2007 GMC Sierra 1500 Classic in moderate temperatures and are looking for an affordable way to improve your cooling system, then the Tyc SX-4945 automatic transmission oil cooler may be a good option for you. However, if you frequently operate your vehicle in extreme temperatures or are looking for a more comprehensive cooling solution, you may want to consider other options such as a transmission aftercooler or a larger radiator. It is always recommended to consult with a professional mechanic or transmission specialist to determine the best cooling solution for your specific vehicle and driving conditions.

part # sx4945 price

• $118.19

specifications motochilled:

• for models: 1500, Px, Sierra, Classic
• for makes: Gmc
• for years: 2007
• brand: Tyc
• type: Automatic Transmission Oil Cooler
• manufacturer part number: SX-4945
• item width: 12.680
• item height: 11.420
• item length: 33.460
• manufacturer warranty: Lifetime
• interchange part number: C686 70-37
• placement on vehicle: Belts Cooling Radiators Coolers
• compatible model: Sierra 1500 Classic
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Tyc Automatic Transmission Oil Cooler

payments motochilled:

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

seller motochilled:

• rating: 99.5%
• # reviews: 622790

returns motochilled:

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

general motochilled:

• Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines
• condition: New

offer motochilled:

• options: Ship-to-home
• started: February 16, 2026
• quantity: 2
• sold: 0
• availability: In Stock

shipping motochilled:

• service: Standard, Expedited
• class: Standard, Expedited
• transit: 3-5 Days
• cost: $0.00
• type: Fixed

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