Crafted for durability and reliability, the transmission oil cooler line is a critical component for maintaining the health of your vehicle's automatic transmission. This particular line, designed specifically for 2006-2010 Silverado and Sierra models with a 6.6L engine, ensures a seamless fit with its bracket mounting style and measures 55 inches in length. The metal construction provides robust protection, while the matte finish offers a professional look. Featuring an instant lock male end fitting for secure connections, this oil cooler line is extensively tested for leaks and durability, ensuring that it meets the high standards expected of replacement parts. The part number, APOCL137, along with the OE/OEM numbers 5801281, 20835123, and 21998958, confirms its authenticity and compatibility, although the brand is unbranded. It's a medium-duty solution that promises a straightforward installation process without the need for drilling or modifications. Exact item is shown. New open box, may include partial packaging. Material: Steel; Length: 55 Inches; Fitment Type: Direct Replacement. Item weight 1 lb. Made in China. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties.