Genuine Volkswagen Coolant Expansion Tank Cap P# 3B0121321 – Suits 2.0L TDI CR TB503 Built to Volkswagen’s OEM standards

Built to Volkswagen’s OEM standards

Provides secure coolant hose connection

📦 Also available: left control arm

OEM exhaust sealing gasket | Golf 4cyl 2

and moisture

Genuine Volkswagen Coolant Expansion Tank Cap P# 3B0121321 – Suits 2.0L TDI CR TB503 Built to Volkswagen’s OEM standardsGenuine Volkswagen Coolant Expansion Tank Cap Part Number: P# 3B0121321 This genuine Volkswagen expansion tank cap is designed for use with the coolant reservoir on vehicles equipped with the 2. 0L TDI CR (103 kW 140 hp) engine. It maintains correct pressure within the cooling system, ensuring optimal temperature control and preventing leaks or coolant loss. Engine Compatibility: 4 Cylinder 2. 0L Bi Turbo Diesel (BTI) Common Rail Injection Engine