Dorman 47434 Vacuum Hose Inside Diameter - 3.5mm-5mm

The Dorman 47434 is a high-quality replacement vacuum hose designed to restore proper vacuum operation in your vehicle's engine management, brake booster, and emission control systems. This precision-engineered hose features a tapered design with inside diameters ranging from 3.5mm to 5mm, making it ideal for connecting components with different port sizes.

Key Features:

• Tapered design transitions from 3.5mm to 5mm inside diameter for versatile fitment
• Constructed from durable rubber compound resistant to heat, oil, and ozone degradation
• Maintains vacuum integrity to ensure proper engine performance and fuel efficiency
• Direct replacement for cracked, brittle, or deteriorated factory vacuum lines
• Flexible material allows for easy routing in tight engine compartments

Vacuum leaks can cause rough idle, poor acceleration, and check engine lights. Replace damaged vacuum hoses with this quality Dorman replacement to restore proper vacuum system function and maintain optimal engine performance.