Coolant reservoir / Megane 3 RS

Used Renault Sport coolant reservoir for Megane 3 RS

This original Renault Sport coolant reservoir is intended for the Megane 3 RS. This is a used part suitable for replacing a cracked, yellowed, warped or leaking expansion tank. An essential element of the cooling circuit, it maintains a stable liquid level and guarantees the proper thermal operation of the F4R turbo engine.

Purpose of the part

The coolant reservoir, also called an expansion tank, is used to compensate for variations in liquid volume when the engine temperature increases or decreases. It allows the cooling circuit to operate under pressure while ensuring an available reserve of liquid. On a Megane 3 RS, this part directly contributes to controlling the engine temperature, particularly in sports use or on the circuit.

Symptoms or consequences of a worn or defective part

• Presence of traces of coolant around the jar
• Visible crack in the plastic or oozing at the connections
• Abnormal drop in coolant level
• Smell of hot liquid in the engine compartment
• Risk of engine overheating in the event of a significant loss of fluid
• Incorrect pressure in the cooling circuit

Benefits of replacement

• Restores the tightness of the cooling circuit
• Allows reliable control of the liquid level
• Reduces the risk of engine overheating
• Preserves the performance and reliability of the turbo engine
• Economical solution thanks to an original used part
• Assembly conforming to the original Renault Sport configuration

Specifications

• Brand: Renault Sport
• Product: coolant jar
• Condition: used product
• Part type: cooling circuit expansion tank
• Assembly: original manufacturer part
• Application: Renault Sport Megane 3 RS engine
• Recommended check before assembly: condition of hoses, clamps, cap and fluid level

Vehicle compatibility

• Renault Megane 3 RS
• Renault Megane 3 RS 250
• Renault Megane 3 RS 265
• Renault Megane 3 RS 275
• Cup, Trophy and Trophy R versions according to original assembly

This used Renault Sport coolant reservoir is a reliable and suitable solution for repairing the cooling system of your Megane 3 RS while retaining an original part.