Hengst E665L01 Engine Air Filter - Left

Engine Air Filter Overview

The Hengst E665L01 engine air filter is a direct replacement filter for the air intake system on compatible Volkswagen Phaeton applications. It is built to match the filtration role required for clean incoming air and consistent engine breathing.

Key Features

• Engine air filter for air and fuel delivery service
• Fits Volkswagen Phaeton applications with left-side fitment
• Hengst part number E665L01 for easy identification
• Cross-references 3D0 129 620 B and 3D0 129 620 D for the same application

Detailed Description

Hengst E665L01 is an engine air filter made for 2004-2006 Volkswagen Phaeton models with left-side fitment. As an engine air filter, it helps maintain the intake air path by capturing airborne contaminants before they enter the engine. This part number, E665L01, is useful when replacing a worn or restricted filter and when matching an OE-style service part for Volkswagen Phaeton maintenance.

Hengst filtration products are used in automotive service applications where consistent air management and part-number accuracy matter. If you are servicing a Volkswagen Phaeton and need an engine air filter identified as E665L01, this filter provides a straightforward replacement reference for the listed fitment.

What It Is Used For

• Replacing a dirty or restricted engine air filter
• Restoring normal intake airflow through the filter element
• Addressing service needs tied to air filtration maintenance
• Matching the correct filter reference for Volkswagen Phaeton applications

Installation Notes and Tips

Verify the vehicle year, make, model, and left-side fitment before ordering. Compare the existing filter reference to E665L01 and the listed interchange numbers to confirm application match. Inspect the airbox and sealing surfaces during service so the new filter seats correctly.

Quality Assurance

Hengst is a filtration brand known for automotive air and fluid management components. This part cross-references 3D0 129 620 B and 3D0 129 620 D for the same application.