Rein CHR0799 Engine Coolant Hose - Transmission Oil Cooler To Radiator

OE-Style Coolant Hose for BMW Cooling Systems

The Rein CHR0799 engine coolant hose is an OE-quality replacement for BMW cooling system service. It is built to match the original hose shape, branch sizing, and thermoplastic quick-connect design used on the factory assembly.

Compatible with BMW X5 and BMW X6 applications at the transmission oil cooler to radiator connection, this hose is sized for a direct replacement on the listed vehicles. The black hose construction and matched end dimensions support a clean OE-style repair.

Key Features

• OE-quality engine coolant hose for BMW cooling system service
• Direct replacement for the factory hose assembly
• Thermoplastic quick-connect fittings for OE-style connection points
• Black coolant hose finish
• Hose end 1 outside diameter: 31.24 mm
• Hose end 2 outside diameter: 31.24 mm
• Hose end 1 inside diameter: 15.49 mm
• Hose end 2 inside diameter: 15.49 mm
• Part number CHR0799

Detailed Description

Rein CHR0799 is an engine coolant hose engineered for European vehicle cooling system repair, with fitment for the transmission oil cooler to radiator routing on BMW X5 and BMW X6 models. Rein designs these hoses to mirror the original hose assembly, including branch geometry and quick-connect interface details, so the replacement follows the factory layout closely. If you are servicing a BMW X5 or BMW X6 cooling circuit and need an OE-style hose replacement, CHR0799 provides the correct form factor for the listed application. This part cross-references BMW 17127576368 for the same application.

Used For

• Replacing a leaking or cracked transmission oil cooler to radiator hose
• Restoring coolant flow through the BMW cooling circuit
• Addressing brittle quick-connect ends or worn hose connections
• Repairing hose damage from age, heat, or pressure cycling
• Servicing BMW X5 and BMW X6 cooling system plumbing

Installation Notes and Tips

Verify the hose routing, end diameters, and connector style against the removed part before installation. Confirm the vehicle year and model match the listed fitment for BMW X5 and BMW X6 applications, and inspect adjoining radiator and cooler connections for wear or residue before reassembly. CHR0799 is listed for the transmission oil cooler to radiator position.

Quality Assurance

Rein positions this hose as an OE-quality replacement for European vehicles, with dimensions and connector design aligned to the original assembly used on the vehicle platform. Part number CHR0799 is built for direct replacement service on the specified BMW applications.