Nissens 996116 Engine Coolant Reservoir

Engine Coolant Reservoir for VW and Audi

Nissens 996116 is a pressurized engine coolant reservoir, also known as an expansion tank, built for select Volkswagen and Audi applications. It includes a cap and a pre-mounted level sensor, giving you a direct replacement solution for vehicles that rely on accurate coolant level monitoring.

Fits 2017-2019 Audi RS3, N/A; Fits 2012-2019 Volkswagen Beetle, N/A; Fits 2013-2019 Volkswagen Jetta, N/A; Fits 2012-2019 Volkswagen Passat, N/A; Fits 2015-2018 Audi Q3, N/A; Fits 2015-2018 Audi Q3 Quattro, N/A; Fits 2009-2018 Volkswagen Tiguan, N/A; Fits 2017-2018 Volkswagen Tiguan Limited, N/A; Fits 2009-2017 Volkswagen CC, N/A; Fits 2008-2016 Audi TT Quattro, N/A; Fits 2007-2016 Volkswagen Eos, N/A; Fits 2010-2014 Volkswagen Golf, N/A; Fits 2006-2014 Volkswagen GTI, N/A; Fits 2006-2013 Audi A3, N/A; Fits 2006-2013 Audi A3 Quattro, N/A; Fits 2012-2013 Audi TT RS Quattro, N/A; Fits 2012-2013 Volkswagen Golf R, N/A; Fits 2009-2010 Volkswagen Passat CC, N/A; Fits 2008-2009 Audi TT, N/A; Fits 2007-2009 Volkswagen Jetta City, N/A; Fits 2008 Volkswagen R32, N/A.

Key Features

• Plastic reservoir construction with OE-matching material selection
• Pressurized design for modern cooling system operation
• Cap included for a complete replacement
• Level sensor included for vehicles that use coolant monitoring
• Reinforced fittings for a secure connection to the cooling system
• High-durability welding for tank integrity
• 0.80L capacity
• Mounting hardware and mounting bracket are not included

Detailed Description

Nissens 996116 coolant reservoir is engineered as an aftermarket replacement for the factory expansion tank used on many Volkswagen and Audi models, including the Jetta, Passat, GTI, Golf, Tiguan, A3, TT, and RS3. The tank is manufactured from OE-matching plastic and uses reinforced fittings to help ensure a stable, secure part connection during service. Nissens also tests the tank and internal components to verify fit and dependable operation. This part cross-references URO 1K0121407A for the same application.

Common Problems This Part Can Address

• Cracked or leaking coolant reservoir housing
• Faulty coolant level sensor warning
• Damaged cap or pressure retention issues
• Loose or worn hose connection points
• Cooling system service needs on VW and Audi vehicles

Installation Notes and Tips

Confirm the reservoir shape, sensor style, and hose connection layout against the original part before installation. Transfer any required hoses or related components from the vehicle if they are not supplied with the replacement. After installation, refill the cooling system with the correct coolant specification and bleed air from the system according to factory service procedures.

Quality Assurance

Nissens manufactures this coolant reservoir with OE-matching plastics, durable welding, and reinforced fittings, then tests the tank and internal components for fit and performance. Part number 996116 is built for direct replacement use on the listed Volkswagen and Audi applications.