The fuel tank filler neck is designed for a 2004 Rainier and 2002-2004 Trailblazer Envoy, replacing part numbers 15131043, 15038562, and 15110381. Made of rubber and steel with a painted finish, it has a diameter of .94 inches and a capacity of 22 gallons. This flanged filler neck measures 36.42 inches in length and fits on the rear passenger side of the vehicle, suitable for gasoline fuel type vehicles with a standard 22-gallon tank. Designed for specific vehicle models, it meets OE specifications and is a direct replacement part. Exact item is shown. New open box without original packaging. Item weight 3 lbs. Metal and rubber. Product Size: 92.5cm / 36.42in. Outer Diameter 1: 5.8cm / 2.28in. Inner Diameter 1: 4.4cm / 1.73in. Outer Diameter 2: 3cm / 1.18in. Inner Diameter 2: 2.4cm / 0.94in. Thread Size: M6x1.0. Made in China. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties.