This an air brake hose. This hose is manufactured by Eaton Synflex. This is a green colored Eclispe line. The green hose measures 22" long and 1/2" O.D. (outside diameter). This hose has a bend on each end. The straight line length is 20". Each curved end is 6" long. This hose was manufactured in Mexico. The line is DOT certified 1913. SAE J844. Replace your old, blown, cracked, or missing air brake hose with this brand new factory original replacement parts at a fraction of the dealer price. This came from the factory where they built Topkick and Kodiak trucks. So the exact years, make, and model of those trucks is unknown.

New. Never Installed. OEM Part. Bulk Overstock

GM part # 15752974 (number on the item)

Alternate Part # 3270-081 (number on the item)

http://www.eaton.com/ecm/groups/public/@pub/@eaton/@hyd/documents/content/pll_1172.pdf