Autobahn Autoworx Volkswagen Golf Jetta New Beetle MK4 1999-2006 1.9 TDI ALH Engine Breather Hose

Part Number: AUT-MK4-016

Replace the factory failure-prone breather system on your 1.9 TDI ALH with the Autobahn Autoworx Engine Breather Hose. Designed for MK4 Volkswagen diesel applications, this upgraded silicone hose eliminates brittle plastic components and weak factory clips that commonly break, leak, or collapse under vacuum and heat.

This reinforced silicone replacement improves reliability and long-term durability while maintaining OEM-style routing and fitment for a straightforward installation.

Vehicle Fitment

• 1999-2006 Volkswagen Golf MK4 1.9 TDI ALH
• 1999-2006 Volkswagen Jetta MK4 1.9 TDI ALH
• 1998-2010 Volkswagen New Beetle 1.9 TDI ALH

OEM Reference Part Number

• 038 103 493P

Features

• Direct replacement engine breather hose
• High-quality reinforced silicone construction
• Eliminates brittle factory plastic breather components
• Prevents vacuum leaks caused by cracked or broken fittings
• Improved resistance to heat, oil vapors, and engine bay aging
• Maintains OEM-style fitment and routing

Benefits

• Increased reliability over factory plastic system
• Reduces risk of vacuum and crankcase leaks
• Longer service life in high-heat engine environments
• Cleaner and more durable engine bay setup

Autobahn Autoworx Quality

Autobahn Autoworx hose kits come with a 5-Year Warranty. Coolant hoses are all 3-ply reinforced silicone, while boost hoses, breather hoses, ISV hoses, and intake/inlet hoses are constructed from 4-ply reinforced silicone for maximum durability and performance.

Note

Trimming may be required for desired fitment.