Rein CHE0450 Engine Coolant Hose - Auxiliary Water Pump (Inlet) To Connector

OE Water Hose for European Cooling Systems

Rein CHE0450 is an OE-quality engine coolant hose built for European vehicles that use a direct-fit hose and quick-connect design. It is made to match the original hose shape and branch layout, helping restore proper coolant routing on Audi and Volkswagen applications.

Compatible with select Audi A3, A3 Quattro, TT, TTS Quattro, and Volkswagen Eos, GTI, Jetta, and Golf R models, CHE0450 is a direct replacement for the auxiliary water pump inlet-to-connector hose.

Key Features

• Application-specific design for a direct OE-style fit
• Reduces installation time by matching the original hose configuration
• No cutting, refitting, or adjusting required
• Helps prevent leaks and repeat repairs from reused quick connectors and O-rings
• Rubber construction resists heat, salt, road debris, oil, and other contaminants
• Black finish with thermoplastic quick-connect style OE details

Detailed Description

Rein CHE0450 is engineered as a direct replacement coolant hose for the auxiliary water pump inlet-to-connector location. The hose follows OE dimensions, including branch shape and connector style, so it installs like the original part on 2006-2008 Audi A3 and A3 Quattro, 2008-2009 Audi TT, 2009-2010 Audi TTS Quattro, 2007-2009 Volkswagen Eos, 2006-2008 Volkswagen GTI and Jetta, and 2012-2013 Volkswagen Golf R. This part number, CHE0450, is built for European cooling system service where accurate fitment matters.

This part cross-references 1K0122063D and 1K0122063G for the same application.

What It Helps Fix

• Coolant leaks at a worn or cracked hose
• Repeat failures caused by aged quick connectors or O-rings
• Poor fit from universal hose substitutions
• Extended repair time from trimming or reshaping the hose
• Cooling system service issues on Audi and Volkswagen auxiliary water pump connections

Installation Notes

Install CHE0450 as a direct replacement for the OE hose assembly. Verify the hose routing, connector engagement, and mating surfaces before installation. Because this hose is application-specific, it is designed to match the original layout on the listed Audi and Volkswagen models without cutting or adjustment.

Quality Assurance

Rein Automotive OE-quality hoses are built to mirror the original hose design used on European vehicles, including the correct size, shape, and connector style. CHE0450 follows that OE replacement approach for consistent fit and serviceability.