Expansion Tank Renault Trafic 3 Vivaro B Coolant Reservoir Bottle 217101893R

Renault Trafic 3 Vivaro B Expansion Tank is a cooling system component from the expansion tanks category, designed for use in Renault commercial vehicles and structurally related models. The offered component ensures stable coolant level maintenance, which translates to safe and predictable engine operation across a wide range of loads.

Specifications and technical data

• SKU: 217101893R
• Mark: Renault
• Condition: Used
• OEM Part Number: 217101893R
• Substitutable numbers: 217101893R
• Category: Expansion & Overflow Tanks

Purpose and Function in the Cooling System

The presented expansion tank is designed as part of the cooling system in medium-segment vans. Its task is to compensate for changes in coolant volume resulting from temperature fluctuations during engine operation. This allows the system to maintain stable working pressure, and the fluid can circulate freely between the radiator, engine block, and the tank.

A properly selected expansion tank reduces the risk of overheating, air ingress, and uncontrolled coolant loss. In practice, this translates to:

• more uniform engine cooling under working load,
• efficient operation of the thermostat and coolant pump,
• easier coolant level monitoring in workshop and operational conditions.

Technical Characteristics and Fitment

The tank belongs to the expansion tanks category, meaning its construction is adapted to operate in an environment of high temperatures and variable pressure. The shape and arrangement of the outlets are prepared for factory routing of hoses in the engine bay, which facilitates installation and minimizes the risk of leaks.

The original Renault origin promotes proper fitment with adjacent components such as brackets, clamps, and hose guides. In practice, this means:

• secure seating in factory mounting points,
• compliance with the coolant circuit route intended by the manufacturer,
• maintenance of cooling system operating parameters according to design assumptions.

Product Condition and Operational Aspects

The offered expansion tank is a used part, allowing for an economical replacement of a damaged or leaking component while maintaining the original manufacturer's specifications. Choosing such a solution is particularly beneficial for intensively used vehicles where a reasonable service cost is important while maintaining correct operating parameters.

Replacing the expansion tank is a typical service operation, performed, among others, in situations of:

• detected cracks or deformations of the housing,
• problems with maintaining the coolant level,
• modernization or repair of the entire cooling system.

Benefits of Using an Original Renault Tank

Using a component from the Renault brand helps maintain the factory operating parameters of the cooling system. The appropriate geometry, outlet arrangement, and the manufacturer-intended working capacity of the tank support stable engine operating temperatures, which is important for both the durability of the engine and the comfort of using the vehicle.

The most important advantages of this solution include:

• compatibility with the factory cooling system without the need for modifications,
• maintenance of the coolant circuit intended by the manufacturer,
• easier diagnosis of potential overheating-related faults.

Related Products and Technical Materials

If you need other Renault expansion tanks for different models of this brand, check availability in the dedicated category: Renault expansion tanks. This will allow you to easily compare solutions for different engine and body versions.

In the context of selecting used cooling system components, it is also worth familiarizing yourself with practical tips regarding aftermarket parts – the article: Volkswagen – solidity and reliability. Why used VW parts are a sensible choice?, which discusses general principles of safe use of used components in vehicles of various brands, may be helpful.