The Freightliner Replacement Pipe is a practical solution for replacing the A04-12104-000 part. This 5"4-Bend ID/OD/OD Y-Pipe is made of aluminized material and fits most older Freightliner Conventional Makes and Models. Sold individually, this replacement pipe is a cost-effective option that ensures your vehicle runs smoothly. With its easy installation and reliable performance, the Freightliner Replacement Pipe is a must-have for any Freightliner owner looking to replace their old or damaged part.