The ACDelco GM 23370658 Transmission Oil Cooler Line is designed for vehicles like Silverado, Sierra, Escalade, and Yukon. Made of steel with a length of 77.5 inches, it features an Inlet Diameter of 9 mm / 10 mm with End Fitting Types of Instant Lock Male and Junction. This oil cooler line is 100% leak tested and is a light-duty component that does not require drilling or modifications for installation. It is a genuine OE part with the manufacturer part number 23370658, suitable for specific GM vehicles. Made in Canada, this oil cooler line ensures efficient transmission cooling without compromising performance.