The Volvo VNL And VNM 2001 To 2008 Lower Coolant Air Pipe is a high-quality replacement part made of stainless steel. It features an outside diameter of 0.866 inches on one end and 0.63 inches on the other end. This coolant pipe is sold individually and is designed to fit most Volvo VNL and VNM models from 2001 to 2008. It is a cost-effective solution that offers original equipment quality at a competitive price. This part has been thoroughly tested for a proper fit and long service life, making it an ideal replacement for the original equipment part. Direct OE replacement numbers include Volvo 20462647, 20469768, and 20561364.