Vaico V10-0433 Engine Coolant Reservoir

Engine Coolant Reservoir for VW and Audi

The Vaico V10-0433 engine coolant reservoir is an OE-style replacement tank for select Volkswagen and Audi applications. It is built with a coolant level switch connection and sized to match the listed fitments for a direct replacement approach.

Key Features

• Engine coolant reservoir for the cooling system
• With coolant level switch connection
• Dimensions: 200 mm length, 175 mm width, 153 mm height
• Lightweight construction at 0.302 kg
• VAICO brand line replacement part for select OE applications

Detailed Description

VAICO V10-0433 is an engine coolant reservoir for vehicles that use OE number 1K0121407A. This reservoir is specified for a range of Volkswagen and Audi models, including Audi A3, Audi TT, Audi Q3, Volkswagen Jetta, Golf, GTI, Passat, Tiguan, Beetle, Eos, CC, and R32 applications listed below. The coolant level switch connection supports systems that monitor coolant level through the reservoir assembly. Part number V10-0433 is also referenced against common interchange numbers for cross-checking during parts lookup.

VAICO is the brand line used for this replacement component, and V10-0433 follows the OE-style fitment profile expected for cooling system service on VW and Audi platforms. This part cross-references Rein EPK0030 and EPT0030 for the same application.

What It Is Used For

• Replacing a cracked or leaking coolant expansion tank
• Restoring proper coolant level monitoring through the switch connection
• Addressing low coolant warnings caused by reservoir failure
• Repairing cooling system leaks around the reservoir body
• Supporting routine cooling system maintenance on VW and Audi vehicles

Installation Notes and Tips

Verify OE number 1K0121407A and match the reservoir dimensions before installation. Confirm that the coolant level switch connection matches the vehicle harness and inspect the cap, hoses, and surrounding cooling components for wear before reassembly. For fitment, this part fits 2015-2017 Audi Q3, N/A; fits 2015-2017 Audi Q3 Quattro, N/A; fits 2012-2017 Volkswagen Beetle, N/A; fits 2009-2017 Volkswagen CC, N/A; fits 2005-2017 Volkswagen Jetta, N/A; fits 2012-2017 Volkswagen Passat, N/A; fits 2006-2010 Volkswagen Passat, N/A; fits 2009-2017 Volkswagen Tiguan, N/A; fits 2007-2016 Volkswagen Eos, N/A; fits 2011-2014 Audi TT Quattro, N/A; fits 2008-2009 Audi TT Quattro, N/A; fits 2010-2014 Volkswagen Golf, N/A; fits 2006-2013 Audi A3, N/A; fits 2006-2013 Audi A3 Quattro, N/A; fits 2006-2013 Volkswagen GTI, N/A; fits 2009-2010 Volkswagen Passat CC, N/A; fits 2008-2009 Audi TT, N/A; fits 2008 Volkswagen R32, N/A.

Quality Assurance

Built as a VAICO replacement part for OE-numbered cooling system applications, this reservoir is intended to match the listed vehicle fitments and connection style for straightforward parts identification.