Nissens 996120 Engine Coolant Reservoir

Engine Coolant Reservoir for VW and Audi

Nissens 996120 is a pressurized engine coolant reservoir for select Volkswagen and Audi applications. It is built as a complete expansion tank solution with a cap, level sensor, and mounting bracket included, making it a direct replacement for worn or cracked coolant tanks on Golf, Jetta, Golf City, R32, TT, and TT Quattro models.

Key Features

• Plastic reservoir with OE-matching material selection
• Pressurized design with cap included
• Level sensor included for coolant monitoring
• Mounting bracket included for secure installation
• 0.85L capacity
• Reinforced fittings and durable welded construction

Product Details

This Nissens engine coolant reservoir, part number 996120, is engineered as an aftermarket replacement for the factory expansion tank used on select Volkswagen Golf, Volkswagen Jetta, Volkswagen Golf City, Volkswagen R32, Audi TT, and Audi TT Quattro vehicles. Nissens uses OE-matching plastics, reinforced connection points, and tested internal components to support proper fit and dependable coolant system operation. Part number 996120 is a practical choice when the original reservoir is damaged, leaking, or no longer holding pressure.

This part cross-references Febi-Bilstein 37324 for the same application.

What It Helps Fix

• Coolant loss from a cracked or aging expansion tank
• Pressure loss in the cooling system
• Low coolant warnings from a faulty level sensor
• Loose or unreliable hose connection points
• Reservoir fitment issues caused by worn mounting points

Installation Notes and Tips

Compatible With 1999-2006 Volkswagen Golf, 1999-2005 Volkswagen Jetta, 2007-2010 Volkswagen Golf City, 2004 Volkswagen R32, 2000-2006 Audi TT, and 2000-2006 Audi TT Quattro. Verify the reservoir shape, sensor connection, and hose routing against the original tank before installation. Inspect the cap seal, mounting bracket, and adjacent cooling system components for wear, and refill and bleed the system according to factory service procedures after replacement.

Quality Assurance

Nissens manufactures this coolant reservoir with OE-style plastics, reinforced fittings, and welded construction, then tests the tank and internal components for fit and reliable performance. The included cap and pre-mounted sensor support a complete replacement setup for the specified applications.