Rein CHH0158R HVAC Heater Hose - Engine To Heater Valve Inlet

OE Heater Hose for BMW Cooling System Service

Rein CHH0158R is an OE-quality HVAC heater hose built for European vehicle applications that require a direct-fit replacement. It is shaped to match the original hose routing and uses thermoplastic quick connect fittings for a cleaner repair on BMW heater hose service.

• Direct replacement for OE heater hose and hose assembly applications
• Application-specific design reduces installation time
• No cutting, refitting, or hose adjustment required
• Quick connectors help prevent leaks and repeat repairs from reused connectors and O-rings
• EPDM hose construction resists heat, salt, road debris, oil, and other contaminants
• Built to SAE J20R4 -D1 standards

Detailed Product Overview

This Rein heater hose is engineered as a complete OE-quality direct-fit European hose for the engine-to-heater-valve inlet position. The hose follows the original size and branch geometry called for by the factory design, helping maintain proper coolant flow and HVAC heater performance. Rein CHH0158R is a practical choice for BMW 325Ci, 330Ci, 320i, 325i, 325xi, 330i, 330xi, 323Ci, 323i, 328Ci, and 328i heater hose replacement work where an exact-fit routing and connector style matter.

Rein CHH0158R measures 25.18 inches centerline length and uses black EPDM construction with a maximum working pressure rating of 149 psi. The hose end dimensions and OE-style quick connect design support a factory-like repair on BMW cooling system service. This part cross-references Genuine 64218376999 for the same application.

Common Problems This Hose Can Address

• Coolant leaks at the heater hose connection
• Cracked, hardened, or heat-aged heater hose material
• Damaged quick connectors or worn O-rings
• Poor heater performance caused by restricted coolant flow
• Repeat repairs from reusing old hose-end components

Installation Notes

Compatible With BMW 325Ci, 2001-2006, engine to heater valve inlet. Compatible With BMW 330Ci, 2001-2006, engine to heater valve inlet. Compatible With BMW 320i, 2001-2005, engine to heater valve inlet. Compatible With BMW 325i, 2001-2005, engine to heater valve inlet. Compatible With BMW 325xi, 2001-2005, engine to heater valve inlet. Compatible With BMW 330i, 2001-2005, engine to heater valve inlet. Compatible With BMW 330xi, 2001-2005, engine to heater valve inlet. Compatible With BMW 323Ci, 2000, engine to heater valve inlet. Compatible With BMW 323i, 1999-2000, engine to heater valve inlet. Compatible With BMW 328Ci, 2000, engine to heater valve inlet. Compatible With BMW 328i, 1999-2000, engine to heater valve inlet.

Before installation, verify the hose routing and connector orientation against the original part. The direct-fit design eliminates cutting and refitting, and the included quick connectors are intended to simplify HVAC heater hose replacement on the listed BMW applications.

Quality Assurance

Rein Automotive designs this hose as an OE-quality replacement for European vehicles, with factory-style dimensions and connector details. Warranty coverage is 24 months or 24,000 miles.