Rein CHR0350R Radiator Coolant Hose - Upper

OE-Style Upper Radiator Hose for Volvo

The Rein CHR0350R is an OE quality upper radiator coolant hose built for European vehicle cooling systems. It is a direct replacement for the original hose assembly, with the same branch layout and thermoplastic quick connect fittings specified by the OE.

Compatible with select Volvo C30, C70, S40, and V50 applications, this radiator hose supports a clean, direct-fit repair for upper cooling circuit service. The Rein CHR0350R is made for accurate fitment on the listed vehicles without hose cutting or refitting.

Key Features

• Direct-fit upper radiator coolant hose for European applications
• OE-style branched design with thermoplastic quick connect fittings
• EPDM hose construction for heat and contamination resistance
• SAE J20 R4 D1 industry standard
• Maximum working pressure: 140 psi
• Black finish with application-specific dimensions
• Reduces installation time by matching the original hose assembly

Detailed Description

Rein CHR0350R is a radiator coolant hose engineered as a direct replacement for the factory upper hose assembly. It is shaped to match the OE routing and branch configuration, helping maintain proper coolant flow and a secure connection at the radiator and related cooling system junctions. This part number is commonly searched as Rein CHR0350R radiator hose, Rein CHR0350R upper radiator hose, and Volvo upper coolant hose replacement.

Built from EPDM and designed to resist heat, salt, road debris, oil, and other contaminants, this hose is suited for routine cooling system repair on Volvo C30, Volvo C70, Volvo S40, and Volvo V50 models. This part cross-references Genu 30723083 and 30637178 for the same application.

What This Hose Helps Address

• Cracked or brittle upper radiator hose material
• Coolant leaks at worn quick-connect fittings
• Improper fit from universal hose substitutions
• Installation delays caused by cutting or refitting
• Repeat cooling system repairs from reused connectors or O-rings

Installation Notes and Tips

Install the hose as a direct replacement for the OE assembly on the listed Volvo applications. No cutting, refitting, or adjusting of the hose is required when used on the correct vehicle. Inspect mating surfaces, quick connectors, and O-rings during service to help ensure a secure seal and proper cooling system operation. Confirm the upper hose routing and branch layout against the original part before installation.

Quality Assurance

Rein positions this hose as an OE quality replacement for European vehicles, with dimensions and connector style matched to the original manufacturer design. The hose is manufactured to SAE J20 R4 D1 standards and carries a 24-month or 24,000-mile warranty. Search terms commonly associated with this part include Rein CHR0350R Volvo C30 upper radiator hose and Rein CHR0350R Volvo V50 coolant hose.

Vehicle Fitment

• Fits 2007-2013 Volvo C30, Upper
• Fits 2006-2010 Volvo C70, Upper
• Fits 2010 Volvo S40, Upper
• Fits 2005-2008 Volvo S40, Upper
• Fits 2010 Volvo V50, Upper
• Fits 2005-2007 Volvo V50, Upper