HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 918-240 Automatic Transmission Oil Cooler
Part #: 918-240

Dorman 918-240 Automatic Transmission Oil Cooler

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⚙️ 13 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Sequoia and Tundra
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Overview of Dorman 918-240 Automatic Transmission Oil Cooler

The Dorman 918-240 automatic transmission oil cooler is designed to provide reliable cooling performance for Toyota Sequoia and Tundra models. Constructed from durable aluminum with a black finish, this transmission cooler helps maintain optimal transmission fluid temperatures under demanding driving conditions.

  • Core dimensions: 8.65 inches width, 6.3 inches height, 1.3 inches depth
  • 10 core rows for efficient heat dissipation
  • Aluminum construction with black finish for corrosion resistance
  • Hose barb inlet and outlet attachment types with 1.95-inch diameter
  • Standard replacement grade, no installation hardware required

Detailed Product Description

The Dorman 918-240 automatic transmission oil cooler features a compact design with a 10-row core that enhances heat exchange efficiency. Its aluminum material ensures lightweight durability and resistance to corrosion, which is critical for maintaining transmission fluid quality. The cooler’s inlet and outlet use hose barb fittings with a 1.95-inch diameter, compatible with standard transmission fluid hoses. This unit is a direct replacement part engineered specifically for Toyota Sequoia and Tundra vehicles, ensuring proper fit and function without the need for additional installation hardware.

Applications and Problem Solving

This transmission oil cooler is used to regulate transmission fluid temperature, preventing overheating and extending transmission life. It addresses several common issues including:

  • Transmission fluid overheating during heavy towing or off-road use
  • Reduced transmission efficiency due to elevated fluid temperatures
  • Premature transmission wear caused by inadequate cooling
  • Fluid breakdown from excessive heat exposure
  • Potential transmission failure from sustained high temperatures

Installation Notes and Tips

Installation of the Dorman 918-240 cooler is straightforward due to its direct fit design for Toyota Sequoia and Tundra models. No additional hardware is required, simplifying the replacement process. Ensure that hose barb fittings are securely connected to prevent leaks. It is recommended to inspect transmission fluid levels and condition after installation and to bleed the transmission cooling system if necessary to remove air pockets.

Quality Assurance and Warranty

Dorman provides this automatic transmission oil cooler as a standard replacement part, manufactured to meet OEM specifications. The aluminum construction and black finish contribute to long-term durability and corrosion resistance. While specific warranty details may vary, Dorman typically offers limited warranties on replacement parts to cover defects in materials and workmanship.

BrandDorman
Part Number918-240
Core Row Quantity10
Depth1.3 in
Friction Material ThicknessBlack
Height6.3 In
Inlet Attachment TypeHose Barb
Inlet Diameter1.95
Installation Hardware IncludedNot Required
Item GradeStandard Replacement
MaterialAluminum
Outlet Attachment TypeHose Barb
Outlet Diameter1.95
Package ContentsTransmission Cooler
Width8.65

This part fits 13 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2007ToyotaSequoia4.7LV8N/A
2006ToyotaSequoia4.7LV8N/A
2006ToyotaTundraCrew Cab Pickup4.7LV8N/A
2006ToyotaTundraCrew Cab Pickup4.0LV6N/A
2005ToyotaSequoia4.7LV8N/A
2005ToyotaTundraCrew Cab Pickup4.7LV8N/A
2005ToyotaTundraCrew Cab Pickup4.0LV6N/A
2004ToyotaSequoia4.7LV8N/A
2004ToyotaTundraCrew Cab Pickup3.4LV6N/A
2004ToyotaTundraCrew Cab Pickup4.7LV8N/A
2003ToyotaSequoia4.7LV8N/A
2002ToyotaSequoia4.7LV8N/A
2001ToyotaSequoia4.7LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3291034020SKTOC053

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.