17-19 6.6L L5P Duramax OEM Oil Cooler Assembly

Original price was: $284.00.Current price is: $244.95.

2017-2019 6.6L L5P Duramax Oil Cooler Assembly

Out of stock

SKU: 12678318 Category:


2017 – 2019 6.6L L5P Duramax Diesel Oil Cooler Assembly

OEM # 12678318

ACDelco GM Original Equipment Engine Oil Coolers are heat exchangers, and are GM-recommended replacements for your vehicle’s original components. These heat exchangers transfer heat to and from the vehicle engine oil to the engine coolant or ambient air. This keeps the engine oil temperature within the designed operating range, which improves engine efficiency and longevity. These original equipment engine oil coolers have been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.


  • Maintain proper engine oil operating temperatures
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function

Additional information

Weight 8 lbs