Volkswagen Microbus, Caravelle (T3) - Radiator Expansion Bottle

Description

High-performance Radiator Expansion Bottle (OEM 025121403A) engineered for durability and precision in Volkswagen’s rear-engine and classic transporter cooling systems.

This specialized pressurized reservoir is designed to manage the unique thermal demands of the Microbus cooling circuit, featuring a "Small & Big Pipe" dual-outlet configuration for efficient coolant circulation. Constructed from high-grade materials resistant to extreme heat-cycling and pressure, it helps prevent coolant loss and safeguards against engine overheating. Its robust build makes it an ideal solution for cooling system restoration and maintenance on both passenger and utility transporters under demanding South African operating conditions.

Compatible Vehicles

Volkswagen Microbus / Caravelle (T3 / 1.9 / 2.1 / 2.3 / 2.5 / 2.6 / 1980 – 2002)

Volkswagen Transporter (T3 / Water-Cooled Models)

Volkswagen Transporter (T4 / Select Early 1.9 & 2.0L Variants)

Specifications

OEM Reference No.:  025121403A / 025121403B

Configuration: Dual Outlet (Small and Big Pipe Interface)

Type: Pressurized Coolant Expansion Tank

Material: High-Grade Heat and Pressure Resistant Synthetic Polymer

Fitting: Standard T3/T4 Chassis Mounting

Fast and reliable delivery available across South Africa.