HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 918-456 Automatic Transmission Oil Cooler
Part #: 918-456

Dorman 918-456 Automatic Transmission Oil Cooler

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⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Civic
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman 918-456 Automatic Transmission Oil Cooler

The Dorman 918-456 automatic transmission oil cooler is designed specifically for Honda Civic models, providing reliable cooling performance to maintain optimal transmission temperatures. Constructed with durable aluminum, this cooler ensures efficient heat dissipation and long-lasting service.

  • Core material made of aluminum for effective heat transfer
  • Dimensions: 8.66 inches length, 5.47 inches width, 0.984 inches thickness
  • 11 core rows for enhanced cooling capacity
  • Inlet and outlet diameters of 0.394 inches with hose barb attachment types
  • Standard replacement grade for dependable performance
  • Black finish for corrosion resistance
  • Package includes one automatic transmission oil cooler

Detailed Product Description

The Dorman 918-456 automatic transmission oil cooler features an aluminum core with 11 rows, providing efficient cooling to help prevent transmission overheating in Honda Civic vehicles. Its compact size, measuring 8.66 inches in length, 5.47 inches in width, and 0.984 inches in thickness, allows for straightforward integration into the vehicle’s cooling system. The cooler’s inlet and outlet both have a 0.394-inch diameter with hose barb attachment types, facilitating secure hose connections without the need for additional fittings. Finished in black, the cooler offers resistance against corrosion and environmental wear, contributing to its durability over time.

Compatible Vehicles and Applications

This automatic transmission oil cooler is compatible with Honda Civic models requiring a reliable transmission cooling solution. It is designed to replace original equipment and maintain proper transmission fluid temperatures, which is critical for transmission longevity and performance.

  • Helps prevent transmission fluid overheating
  • Reduces risk of transmission failure due to excessive heat
  • Maintains consistent transmission operating temperature
  • Supports smooth shifting and transmission efficiency
  • Protects transmission components from premature wear

Installation Notes and Tips

Installation of the Dorman 918-456 automatic transmission oil cooler requires basic mechanical skills and appropriate tools. The hose barb inlet and outlet simplify hose attachment, but ensure hoses are properly secured to prevent leaks. This product does not include installation hardware, so verify that all necessary clamps and fittings are available before beginning installation. It is recommended to inspect the transmission fluid and cooling system for any signs of damage or wear during installation.

Quality Assurance and Warranty

The Dorman 918-456 automatic transmission oil cooler is manufactured to meet standard replacement quality requirements. Made from durable aluminum with a corrosion-resistant black finish, it is engineered to provide consistent performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number918-456
Core MaterialAluminum
Core Row Quantity11
Core Tube Width0.394
Depth0.945 in
Electric FanNo
Friction Material ThicknessBlack
Height0.984 In
Inlet Attachment TypeHose Barb
Inlet Diameter0.394
Installation Hardware IncludedNo
Item GradeStandard Replacement
Length8.66
Line Inside Diameter0.375
MaterialAluminum
Outlet Attachment TypeHose Barb
Outlet Diameter0.394
Package Contents1 Automatic Transmission Oil Cooler
Thickness0.984
Width5.47

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2005HondaCivicGX1.7LL4N/A
2005HondaCivicHX1.7LL4N/A
2004HondaCivicGX1.7LL4N/A
2004HondaCivicHX1.7LL4N/A
2003HondaCivicGX1.7LL4N/A
2003HondaCivicHX1.7LL4N/A
2002HondaCivicGX1.7LL4N/A
2002HondaCivicHX1.7LL4N/A
2001HondaCivicGX1.7LL4N/A
2001HondaCivicHX1.7LL4N/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:

25510PMP003

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