Genuine Volkswagen Coolant Expansion Tank Cap P# 3B0121321 – Suits 2.0L TDI CR

✅ Genuine 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.  

✅ Compatible with the following Volkswagen models using 2.0 TDI CR (103 kW / 140 hp):  
VW Golf Mk5 / Mk6  
VW Jetta Mk5 / Mk6  
VW Passat B6 / B7  
VW Touran  
VW Tiguan  
VW Caddy  
VW Transporter T5.1  
VW Sharan  
VW Scirocco  
VW Beetle A5  

Engine Codes: TG3, TJ3, T5P, TU3, TU4, TL4, TP4, TM3, TW3, TR4, TS1, TN5  

Note: Always verify compatibility by VIN or engine code before purchasing.  

✅ Features:  
Genuine OEM Volkswagen coolant reservoir cap  
Maintains correct cooling system pressure  
Prevents coolant loss and overheating  
Precision fit and durable construction for long service life  

📦 Package Includes:  
1 × Genuine Volkswagen Coolant Expansion Tank Cap (P# 3B0121321)  

⚠️ Important Notes:  
📞 Contact us to confirm 100% fitment for your vehicle before purchase  
🔧 Professional installation recommended  
📦 Report any shipping damage within 24 hours (with photos)  
💳 Orders processed after payment and address verification  
📮 Physical address required (no PO boxes or parcel lockers)  
⏱ Parts handling times may vary if the order is placed on weekends or public holidays  

🔄 Returns & Warranty:  
✔️ Returns accepted (15% handling fee applies, buyer pays return freight)  
✔️ Pre approval required before returning items  
✔️ Covered by Volkswagen Genuine Parts Warranty – subject to inspection  

🚚 Fast Shipping Australia-Wide  
✅ Volkswagen Genuine Cooling System Component  
🛠️ That Auto Parts Warehouse – Your Trusted VW Parts Supplier  

📦 Also available: Coolant tanks, hoses, and sensors  

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📝 Legal Disclaimer: That Auto Parts Warehouse is an independent reseller of genuine Volkswagen parts and is not affiliated with Volkswagen Group Australia.