Rein CHR0386R Radiator Coolant Hose - Lower

OE-Style Lower Radiator Hose for Volvo

The Rein CHR0386R radiator coolant hose is a direct-fit lower hose for select Volvo applications. Built to OE dimensions with thermoplastic quick-connect fittings, it is designed to simplify replacement on Volvo S40, V50, C30, and C70 models while maintaining the original hose shape and connection style.

For Volvo S40 lower radiator hose replacement or Volvo V50 lower coolant hose service, this Rein CHR0386R part number provides an OE-quality solution that matches the factory routing and connection points.

Key Features

• Direct replacement radiator coolant hose for European vehicle cooling systems
• OE-style shape, branch geometry, and thermoplastic quick-connect fittings
• EPDM hose construction with resistance to heat, salt, road debris, oil, and contaminants
• Reduces installation time by eliminating hose cutting, refitting, and adjustment
• Helps prevent leaks and repeat repairs from reused quick connectors and O-rings
• SAE J20 R4 D1 compliant with 140 psi maximum working pressure
• Black hose with protective shield

Product Details

Rein designs this radiator hose to match the original equipment layout used on Volvo cooling systems. The 19-inch centerline length, 1.18-inch inside diameter ends, and application-specific fitment support a clean lower hose replacement without modifying the hose assembly. The Rein CHR0386R is built for direct OE-style service on the lower radiator circuit, where secure sealing and correct routing are critical for stable engine temperature control.

This part cross-references Genu 30681899 for the same application.

Common Problems This Hose Can Address

• Coolant leaks at the lower radiator hose connection
• Cracked, swollen, or heat-aged EPDM hose material
• Damaged quick-connect fittings or worn O-rings
• Poor fitment from universal hose substitutions
• Repeat cooling system repairs caused by reused connectors

Installation Notes

Verify the vehicle VIN and lower hose routing before installation, especially on 2007 Volvo C30, 2007 Volvo S40, 2007 Volvo V50, and 2006 Volvo C70 applications with VIN breakpoints. Confirm that the connection surfaces are clean and that the quick-connect interfaces seat fully before refilling the cooling system. This part number, CHR0386R, is application-specific and should be matched to the listed Volvo fitment only.

• Fits 2005-2006 Volvo S40, Lower
• Fits 2008-2011 Volvo S40, Lower
• Fits 2005-2006 Volvo V50, Lower
• Fits 2011 Volvo V50, Lower
• Fits 2007 Volvo C30, Lower, To VIN 003142
• Fits 2007 Volvo S40, Lower, From VIN 289938
• Fits 2007 Volvo S40, Lower, To VIN 289937
• Fits 2007 Volvo V50, Lower, To VIN 305648
• Fits 2006 Volvo C70, Lower, To VIN 017941

Quality Assurance

Rein OE-quality radiator hoses are built as direct replacements for original hoses and assemblies, with dimensions and connector details matched to OE requirements. The CHR0386R includes a 24-month or 24,000-mile warranty.