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USD 259.95
Part #: DOR918-400

Dorman 918-400 Engine Oil Cooler

2001-2016 GM 6.6L Duramax
Part #: DOR918-400
Temporarily Out of stock - More on the way!

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Replace the failing oil cooler in your 2001-2016 GM 6.6L Duramax with the Dorman 918-400 Engine Oil Cooler. When your oil cooler is not functioning properly, it can cause oil leaks, and higher than normal operating temperatures. Dorman's Engine Oil Cooler is a direct replacement for your truck and features a durable aluminum construction for a long service life.  

  • Engine Oil Cooler 
  • Direct Replacement
  • Durable, Corrosion Resistant Design
  • GM Cross Reference #: 12649227, 19210615


  • MFG. Number 918-400
  • Manufacturer Name Dorman
  • Shipping Weight 4.31 lb.
  • Shipping Length 4 in.
  • Shipping Width 4 in.
  • Shipping Height 4 in.
  • Fuel Type Diesel
  • UPC 019495387121
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.