Rein EPK0140 Engine Coolant Reservoir

Engine Coolant Reservoir for Audi Q7 and Volkswagen Touareg

Replace a cracked or leaking coolant expansion tank with the Rein EPK0140 engine coolant reservoir. This OE-style replacement is built for direct fitment on select Audi Q7 and Volkswagen Touareg applications with cap use noted in the fitment data.

Key Features

• Engine coolant reservoir for cooling system service
• Direct-fit replacement for select Audi Q7 and Volkswagen Touareg models
• Application-specific fitment with cap noted in the listing
• Rein part number EPK0140 for easy identification
• Cross-references URO 1J0121321B and 7L0121407F for the same application

Detailed Description

The Rein EPK0140 coolant reservoir is a replacement expansion tank for vehicles that use a pressurized cooling system reservoir to store and manage coolant volume. Compatible With 2007-2015 Audi Q7, N/A, w/Cap and 2004-2008 Volkswagen Touareg, N/A, w/Cap, this part supports routine cooling system repair on these platforms. Use part number EPK0140 when matching the reservoir to your vehicle, and verify the cap requirement before installation.

Common Issues This Part May Address

• Coolant leaks from a cracked reservoir
• Low coolant level warnings caused by reservoir failure
• Visible staining or residue around the expansion tank
• Overheating concerns related to coolant loss
• Damaged or brittle plastic from age and heat cycling

Installation Notes and Tips

Drain the cooling system as needed before removal, then transfer any required sensors or fittings from the original reservoir if applicable. Confirm the cap specification and hose routing match the vehicle before filling and bleeding the system. After installation, check for leaks and verify coolant level after the engine reaches operating temperature.

Quality Assurance

Rein replacement cooling components are selected for application-specific service on import vehicles. Confirm fitment by year, make, model, and cap requirement before ordering.