Rein 166-830-14-00 Coolant Water Hose Expansion Tank to Auxiliary Water Pump

The Rein 166-830-14-00 is a replacement coolant water hose designed to restore proper cooling system function. This hose connects the coolant expansion reservoir to the auxiliary recirculating water pump, ensuring consistent coolant flow through the system and preventing overheating or coolant loss.

Rein Automotive manufactures this hose to OEM-equivalent standards, providing a direct-fit replacement that matches the original equipment in material quality, dimensional accuracy, and performance. The hose is engineered to withstand the thermal cycling, pressure, and chemical exposure inherent in modern cooling systems.

Key Features:

• Direct OEM-replacement hose for the coolant expansion tank to auxiliary water pump circuit
• Manufactured to OEM-equivalent standards for precise fit and reliable performance
• Resistant to coolant fluids, heat, and pressure typical of modern automotive cooling systems
• Designed for straightforward installation with no modifications required

Part Number Cross-Reference:

• Rein / OEM Part Number: 166-830-14-00
• Also referenced as: 1668301400, A1668301400, 166.830.14.00, 166 830 14 00

Replacing a cracked, swollen, or leaking coolant hose promptly helps protect the engine from overheating and maintains the integrity of the entire cooling circuit.