Vaico V10-8285 Engine Coolant Reservoir

Engine Coolant Reservoir for Audi A6

This VAICO engine coolant reservoir is built for 2002-2004 Audi A6 and Audi A6 Quattro applications with OE reference 8E0121403D. It is specified with a coolant level switch connection and dimensions that match the listed application requirements for a direct-fit cooling system replacement.

Key Features

• Engine coolant reservoir for the cooling system
• With coolant level switch connection
• Dimensions: 280 mm length, 255 mm width, 140 mm height
• OE reference: 8E0121403D
• VAICO part number V10-8285
• Fits Audi A6 and Audi A6 Quattro model years 2002, 2003, and 2004

Detailed Description

VAICO V10-8285 is an engine coolant reservoir for select Audi A6 and Audi A6 Quattro vehicles. The reservoir is designed around the listed OE number 8E0121403D and includes a coolant level switch connection, making it a practical replacement when the original tank is cracked, leaking, or no longer holding proper coolant volume. Its measured size of 280 mm by 255 mm by 140 mm supports application-specific fitment for the 2002-2004 Audi A6 platform.

VAICO is the brand line used here for this cooling-system component, and V10-8285 identifies the exact reservoir needed for the specified Audi fitment. This part cross-references 8E0 121 403 D and 111 029 for the same application.

What It Helps Fix

• Coolant loss from a cracked or aging reservoir
• Low coolant warnings related to the level switch connection
• Expansion tank damage from heat cycling and pressure changes
• Visible coolant seepage around the reservoir body or seams
• Cooling system service needs on Audi A6 and Audi A6 Quattro models

Installation Notes and Tips

Verify OE number 8E0121403D and compare the reservoir dimensions before installation. Confirm the coolant level switch connection matches the vehicle harness, and inspect the cap, hoses, and surrounding cooling components for wear while the system is open. After installation, refill and bleed the cooling system according to Audi service procedures.

Quality Assurance

VAICO cooling components are cataloged for OE-style replacement use, with application-specific fitment details provided for the listed Audi models. Part number V10-8285 is matched to the stated vehicle coverage and OE reference for accurate ordering.