Rein CHK0198 Radiator Coolant Hose Kit - Lower - Radiator To Thermostat

OE-Style Radiator Hose Kit for BMW X3

The Rein CHK0198 radiator coolant hose kit is built for European vehicle cooling systems that require an OE-style direct replacement. It includes a pre-installed temperature sensor and thermoplastic quick-connect fittings to match the original hose assembly on the 2004-2006 BMW X3, lower radiator to thermostat position.

• Direct replacement radiator coolant hose kit for the lower radiator to thermostat route
• Pre-installed temperature sensor helps reduce repeat repairs from reusing the old sensor
• Thermoplastic quick-connect fittings match the OE-style connection points
• No cutting, refitting, or adjusting required during installation
• Resistant to heat, salt, road debris, oil, and other contaminants
• Black hose construction for a factory-style appearance

Detailed Product Overview

Rein CHK0198 is an OE quality radiator hose kit engineered for the 2004, 2005, and 2006 BMW X3. It is designed as a direct replacement for the original hose assembly, with the same branch shape and connector style called for by the factory application. The pre-installed temperature sensor supports a cleaner repair by eliminating the need to transfer the old sensor, while the quick-connect design helps maintain a secure OE-style fit on the cooling system.

This part cross-references Genuine 17123413819 and URO 13621433077 for the same application. For BMW X3 lower radiator hose replacement needs, CHK0198 provides the correct fitment profile for the factory cooling layout.

Common Problems This Part Can Address

• Coolant leaks at worn hose connections or aging quick-connect fittings
• Repeat repairs caused by reusing an old temperature sensor
• Fitment issues from trimming or modifying a universal hose
• Cooling system service delays from mismatched hose shape or branch layout
• Contamination-related hose deterioration from heat, oil, salt, and road debris

Installation Notes and Tips

Compatible with 2004-2006 BMW X3, lower - radiator to thermostat. Verify the hose routing, connector style, and sensor location against the original assembly before installation. Because the temperature sensor is preinstalled, the old sensor does not need to be transferred. This hose kit is application-specific and is not intended for cutting or refitting.

Quality Assurance

Rein OE quality coolant hoses are built to match the original hose assembly dimensions and connector design for European vehicles. Part number CHK0198 is backed by a 24-month or 24,000-mile warranty.