Rein CHT0840 Turbocharger Coolant Line - Return

Turbocharger Coolant Line for VW and Audi

Rein CHT0840 is a turbocharger coolant return line built for select Audi and Volkswagen turbo applications. It uses OE-quality EPDM and aluminum construction to handle heat, oil exposure, and ozone that can degrade standard rubber lines over time.

For drivers servicing a Volkswagen GTI turbo coolant line, Audi A3 turbo return line, or Volkswagen Tiguan turbocharger coolant line, this Rein replacement is built to match the original application and connection style.

Key Features

• Turbocharger coolant line for the return circuit
• OE-quality EPDM and aluminum construction
• Resists heat, oil, and ozone-related deterioration
• Banjo inlet fitting type
• Direct replacement part number: CHT0840
• Cross-reference: 06J121492C

Detailed Description

Rein CHT0840 is a turbocharger coolant line designed for vehicles that rely on stable coolant flow through the turbo system. The EPDM and aluminum material combination supports durability in high-temperature engine bay conditions, while the banjo-style inlet fitting matches the original connection design used on the listed applications. This part is a practical replacement when servicing turbo cooling circuits on Audi A3, Audi TT, Volkswagen GTI, Volkswagen Jetta, Volkswagen Passat, Volkswagen Tiguan, and related models.

Compatible With select 2008-2018 Audi and Volkswagen turbocharged applications, including return-line configurations on the Audi Q3, Audi Q3 Quattro, Audi A3, Audi A3 Quattro, Audi TT, Audi TT Quattro, Volkswagen CC, Volkswagen Eos, Volkswagen Beetle, Volkswagen Golf, Volkswagen GTI, Volkswagen Jetta, Volkswagen Passat, Volkswagen Passat CC, Volkswagen Tiguan, and Volkswagen Tiguan Limited.

What It Helps Address

• Coolant seepage from a worn turbo return line
• Heat-related cracking or hardening of the original hose
• Oil and ozone damage that weakens rubber components
• Loss of proper coolant routing through the turbocharger circuit
• Fitment issues when replacing a damaged OE-style line

Installation Notes and Tips

Verify the vehicle’s turbocharger coolant line routing, inlet fitting style, and return-line configuration before installation. Compare the original part number and connection points to confirm fitment on your specific Audi or Volkswagen model. Clean mating surfaces and inspect adjacent coolant components for wear before reassembly.

Quality Assurance

Rein manufactures this coolant line with OE-quality materials selected for demanding turbo system service. The part is built to meet the material and fit expectations of the original application.