Vaico V10-9858 Radiator Coolant Hose Adapter - Lower

Radiator Coolant Hose Adapter Overview

VAICO V10-9858 is a radiator coolant hose adapter made to match OE number 3B0 122 291 B. It is a compact cooling-system hardware component used in select Audi and Volkswagen applications, including the Audi A3, Volkswagen Golf, and Volkswagen Passat.

With precise dimensions and OE-reference fitment, this VAICO radiator coolant hose adapter supports a direct replacement approach for cooling system service on 2012-2015 Volkswagen Passat, 2015 Volkswagen Golf, and 2015 Audi A3 applications.

Key Features

• OE reference: 3B0 122 291 B
• Part number: V10-9858
• Dimensions: 59.23 mm height, 38.78 mm length, 35.84 mm width
• Lightweight design at 0.025 kg
• Built for radiator coolant hose connection service in the cooling system
• VAICO brand line identification for OE-style replacement selection

Detailed Product Description

VAICO V10-9858 is a radiator coolant hose adapter for vehicles listed with OE number 3B0 122 291 B. The part’s compact size and OE-based reference make it a practical choice when replacing a worn or damaged coolant hose adapter in the cooling circuit. This component is listed for 2015 Audi A3, 2015 Volkswagen Golf, and Volkswagen Passat model years 2012-2015, with lower-position fitment noted for the 2015 Volkswagen Passat application.

VAICO’s VAICO line is used for OE-style replacement parts, and this adapter follows that approach by matching the specified factory reference. If you are sourcing a radiator coolant hose adapter for Audi A3, Volkswagen Golf, or Volkswagen Passat cooling system repair, V10-9858 provides a direct OE-number-based selection path.

This part cross-references URO 3B0122291B for the same application.

Common Repair Uses

• Replacing a cracked or aged coolant hose adapter
• Restoring a secure coolant hose connection at the radiator circuit
• Addressing coolant seepage at the adapter interface
• Correcting fitment issues after a failed OE-style connector
• Supporting cooling system service on Audi A3, Volkswagen Golf, and Volkswagen Passat models

Installation Notes and Tips

Verify the OE number 3B0 122 291 B before ordering to confirm application match. Compare the existing adapter’s dimensions and connection style with the listed measurements: 59.23 mm height, 38.78 mm length, and 35.84 mm width. For the 2015 Volkswagen Passat, confirm lower-position placement before installation. Inspect adjoining hoses, seals, and clamps during service so the replacement adapter can seat correctly in the cooling system.

Quality Assurance

VAICO parts are cataloged as OE-reference replacements, and this adapter is identified by the factory number 3B0 122 291 B for application matching. Confirm vehicle fitment against the listed Audi A3, Volkswagen Golf, and Volkswagen Passat coverage before installation.