Dorman 46068 PCV Valve Hose

Overview of Dorman PCV Valve Hose for Audi and Volkswagen

The Dorman 46068 PCV valve hose is designed specifically for select Audi and Volkswagen models, including the A4, A4 Quattro, and Passat. This plastic hose ensures proper crankcase ventilation by maintaining the correct flow of gases, helping to support engine performance and emissions control.

• Durable plastic construction for reliable performance
• Length of 34 inches for precise fitment
• Inside diameter of 0.459 inches for consistent airflow
• Compatible with PCV valve systems on Audi A4, A4 Quattro, and Volkswagen Passat
• Includes one hose per package for direct replacement

Detailed Product Description and Specifications

The Dorman 46068 PCV valve hose is engineered with a 0.459-inch inside diameter and a length of 34 inches, matching the original equipment specifications for the crankcase ventilation system on compatible Audi and Volkswagen vehicles. Constructed from durable plastic, this hose resists cracking and deterioration caused by heat and engine fluids. The consistent inside diameter ensures proper gas flow between the PCV valve and intake manifold, which is critical for maintaining engine efficiency and reducing harmful emissions.

Compatible Vehicles and Applications

This PCV valve hose is compatible with the following vehicles:

• Audi A4
• Audi A4 Quattro
• Volkswagen Passat

It is designed to replace worn or damaged hoses in the crankcase ventilation system, helping to restore proper engine ventilation and emission control.

Common Issues Addressed by the PCV Valve Hose

• Crankcase pressure buildup causing oil leaks
• Reduced engine performance due to improper ventilation
• Increased emissions from faulty or cracked hoses
• Check engine light triggered by PCV system faults
• Engine rough idling or stalling related to vacuum leaks

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Inspect surrounding components for wear or damage during replacement
• Verify hose routing matches OEM specifications to avoid kinks or restrictions
• Use appropriate clamps to secure hose ends firmly
• Check for leaks after installation by running the engine and observing the hose

Quality Assurance and Warranty Information

Dorman manufactures the 46068 PCV valve hose to meet or exceed OEM standards for fit, form, and function. The plastic material is selected for durability under typical engine conditions. While specific warranty details may vary, Dorman generally offers limited warranties covering defects in material and workmanship to provide confidence in product reliability.