1. Engine Oil Coolers & Lines On Sale
  2. sku: 4332312619899621
  3. DORMAN OE SOLUTIONS SX-4065

DORMAN OE SOLUTIONS SX-4065 Automatic Transmission Oil Cooler

fits model: 3500, Sierra. make: Gmc. year: 2001–2006.

Sx-4065 Dorman - Oe Solutions Aux Automatic Transmission Oil Cooler For 2001-2006 Gmc Sierra 3500 Tt

( Brand: Dorman Oe Solutions ), ( Type: Automatic Transmission Oil Cooler ), ( Manufacturer Part Number: SX-4065 ), ( Item Width: 12.200 ), ( Item Height: 4.400 ), ( Item Length: 16.300 ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Ipn: C750 6-7 ), ( Compatible Model: Sierra 3500 ), ( Compatible Year: 2006 2005 2004 2003 2002 2001 ), ( Core Charge: Free No Core Charge ), ( Position: Aux ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Automatic Transmission Oil Cooler )

Review DORMAN OE SOLUTIONS Aux Automatic Transmission Oil Cooler Gmc fits SIERRA 3500 2001–2006

The Dorman SX-4065 Automatic Transmission Oil Cooler is a premium quality replacement part designed specifically for 2001-2006 GMC Sierra 3500 models. This oil cooler is an essential component of the vehicle's cooling system, responsible for maintaining the optimal temperature of the automatic transmission fluid.

The SX-4065 oil cooler is engineered to be a direct OEM replacement, ensuring a perfect fit and function in your GMC Sierra 3500. It is crafted from high-quality materials, including durable aluminum, which provides excellent heat dissipation capabilities. The cooler features an efficient fin design that maximizes surface area for optimal cooling performance.

This oil cooler comes complete with all necessary hardware for a hassle-free installation process. The kit includes the oil cooler core, mounting brackets, and all required gaskets and seals. The inlet and outlet connections are designed to match the original equipment, making the installation process straightforward and efficient.

The Dorman SX-4065 Automatic Transmission Oil Cooler is engineered to meet or exceed OEM specifications. It is rigorously tested to ensure superior performance, reliability, and longevity. By maintaining the proper temperature of your automatic transmission fluid, this oil cooler helps to prevent damage and prolong the life of your transmission.

In summary, the Dorman SX-4065 Automatic Transmission Oil Cooler is a high-quality replacement part designed for 2001-2006 GMC Sierra 3500 models. It is a direct OEM fit, ensuring a perfect match in terms of size, shape, and function. The cooler is constructed from durable materials and features an efficient fin design for optimal cooling performance. The installation process is straightforward, and the kit includes all necessary hardware. By maintaining the proper temperature of your automatic transmission fluid, this oil cooler helps to prevent damage and prolong the life of your transmission.

Dorman SX-4065 Automatic Transmission Oil Cooler for 2001-2006 GMC Sierra 3500: A Helpful Assessment

The Dorman SX-4065 automatic transmission oil cooler is a popular aftermarket solution for enhancing the cooling system of 2001-2006 GMC Sierra 3500 vehicles. This cooler aims to improve the performance and longevity of the automatic transmission by effectively managing the temperature. In this assessment, we will discuss the potential benefits and drawbacks of installing this cooler on your GMC Sierra 3500.

Pros:

1. Improved Temperature Control: The primary advantage of installing an oil cooler is the enhanced temperature control it provides to the automatic transmission. This cooler helps maintain a consistent operating temperature, preventing overheating and reducing wear and tear on transmission components.

2. Increased Transmission Lifespan: By maintaining a consistent temperature, the oil cooler can contribute to a longer lifespan for the transmission. This is particularly beneficial for heavy-duty applications, where the transmission is subjected to prolonged use and high temperatures.

3. Cost-Effective: Compared to OEM alternatives, aftermarket oil coolers like the Dorman SX-4065 are often more affordable. This makes it an attractive option for those looking to upgrade their cooling system without incurring significant expense.

4. Easy Installation: The Dorman SX-4065 oil cooler is designed for easy installation, with step-by-step instructions and all necessary hardware included in the package. This makes it an accessible solution for DIY enthusiasts.

Cons:

1. Potential Leakage: As with any fluid transfer system, there is a risk of leakage when installing an oil cooler. Proper installation, using the correct sealants and gaskets, and regular maintenance can minimize this risk.

2. Added Complexity: Installing an oil cooler adds another component to the cooling system, which can increase the overall complexity of the vehicle. This may require additional maintenance and monitoring to ensure proper function.

3. Power Requirements: The oil cooler may require an additional power source, such as an electric fan, to effectively cool the transmission fluid. This could add to the overall power demand of the vehicle.

Conclusion:

The Dorman SX-4065 automatic transmission oil cooler offers several benefits for those looking to enhance the cooling system of their 2001-2006 GMC Sierra 3500. Improved temperature control, increased transmission lifespan, cost-effectiveness, and ease of installation are compelling advantages. However, potential drawbacks such as leakage risk, added complexity, and power requirements should be considered before making a purchase. Ultimately, the decision to install an oil cooler depends on individual priorities, driving habits, and budget.

Recommendation:

For those seeking to improve the cooling system of their 2001-2006 GMC Sierra 3500 and are willing to accept the potential drawbacks, the Dorman SX-4065 automatic transmission oil cooler is a worthwhile investment. Proper installation, regular maintenance, and careful consideration of power requirements can help mitigate potential issues. For those with concerns or limited mechanical expertise, it may be advisable to consult a professional mechanic for installation.

part # sx4065 prices

  • $37.77-$128.95

specifications motochilled:

  • for models: 3500, Sierra
  • for makes: Gmc
  • for years: 2001-2006
  • brand: Dorman Oe Solutions
  • type: Automatic Transmission Oil Cooler
  • manufacturer part number: SX-4065
  • item width: 12.200
  • item height: 4.400
  • item length: 16.300
  • manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
  • interchange part number: C750 6-7
  • compatible model: Sierra 3500
  • compatible year: 2006 2005 2004 2003 2002 2001
  • core charge: Free No Core Charge
  • position: Aux
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Dorman Automatic Transmission Oil Cooler

seller motochilled:

  • # reviews: 548756
  • rating: 98.8%

payments motochilled:

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  • wallet: Paypal

general motochilled:

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

shipping motochilled:

  • class: Standard, Expedited
  • type: Fixed
  • cost: $0.00
  • service: Standard, Expedited
  • transit: 3-7 Days

offer motochilled:

  • options: Ship-to-home
  • sold: 0
  • started: March 17, 2025
  • availability: In Stock
  • quantity: 2

returns motochilled:

  • policy: Returns Accepted
  • paid by: Buyer
  • time: 30 Days
for models: 3500, sierra, for makes: gmc, for years: 2001-2006, type: automatic transmission oil cooler, item width: 12.200, item height: 4.400, item length: 16.300, manufacturer warranty: 1 year / 2 years / 3 years / 5 years depending on part, compatible model: sierra 3500, compatible year: 2006 2005 2004 2003 2002 2001, core charge: free no core charge, position: aux, fitment type: direct replacement, bundle description: 1 pc genuine dorman automatic transmission oil cooler,
category: auto parts > car truck parts accessories > engine cooling components > engine oil coolers lines, sku: 4332312619899621,

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