Vaico V10-4880 Radiator Coolant Hose - Upper

OE-Style Upper Radiator Coolant Hose

The Vaico V10-4880 is an upper radiator coolant hose for select Audi applications that use OE number 8K0121101M. It is built for direct replacement service on the cooling system and is listed for multiple Audi A4, A4 Quattro, A5, A5 Quattro, and allroad models.

Key Features

• Radiator coolant hose for the upper cooling circuit
• OE reference: 8K0121101M
• VAICO / VAICO brand line replacement part
• Fits select Audi A4 and Audi A4 Quattro models
• Fits select Audi A5, A5 Quattro, and Audi allroad models
• Part number: V10-4880

Detailed Description

VAICO V10-4880 is an upper radiator coolant hose designed for OE-style replacement on Audi cooling systems. This hose cross-references OE number 8K0121101M for the same application and is listed across 2009-2017 Audi platforms, including Audi A4, Audi A4 Quattro, Audi A5, Audi A5 Quattro, and Audi allroad. If you are searching for an upper radiator coolant hose for Audi A4 Quattro 2009-2016 or Audi A5 Quattro 2010-2017, this part number should be checked against the OE reference before ordering.

VAICO’s product line focuses on replacement components matched to original equipment specifications, making V10-4880 a practical choice when servicing the upper coolant hose on compatible Audi models. Part number V10-4880 is also a useful search term when verifying fitment for Audi A4 upper radiator hose and Audi A5 upper coolant hose applications.

What It Is Used For

• Replacing a cracked or leaking upper radiator hose
• Restoring coolant flow between engine and radiator
• Addressing coolant loss from hose deterioration
• Correcting soft, swollen, or heat-aged hose condition
• Servicing OE-numbered Audi cooling system repairs

Installation Notes and Tips

Confirm the OE number 8K0121101M and match the vehicle’s year, model, and upper hose position before installation. Inspect adjoining coolant fittings, clamps, and sealing surfaces for wear or residue before transferring the new hose. After installation, refill and bleed the cooling system according to Audi service procedures and verify there are no leaks at operating temperature.

Quality Assurance

VAICO is used as an OE-style replacement line for European vehicle service parts. This part is identified by part number V10-4880 and OE reference 8K0121101M for application matching.