Coolant Expansion Tank Cap (Screw-Type) for Opel Astra H / Zafira B

This coolant expansion tank cap is a screw-fit plastic cap designed to seal the coolant reservoir correctly and maintain stable cooling system pressure. A worn or incorrect cap can contribute to coolant loss, overheating, or repeated low coolant warnings.

Vehicle Compatibility

• Opel Astra H 1.4 (Z14XEP) — 2005–2009
• Opel Astra H 1.6 (Z16XEP) — 2004–2009
• Opel Astra H 1.8 (Z18XE) — 2004–2006
• Opel Astra H 1.8 (Z18XER) — 2006–2009
• Opel Astra H 2.0T (Z20LEH / Z20LEL) — 2005–2010
• Opel Astra H GTC 1.8 (Z18XER) — 2006–2007
• Opel Astra H GTC 1.9 CDTi (Z19DTJ) — 2006–2009
• Opel Astra H GTC 2.0T (Z20LER / Z20LEH OPC) — 2006–2010
• Opel Zafira B (Zafira II) 1.6i (Z16XE1) — 2006–2009
• Opel Zafira B (Zafira II) 1.8i (Z18XEP / Z18XER) — 2006–2009
• Opel Zafira B (Zafira II) 1.9 CDTi (Z19DTH) — 2006–2009
• Opel Zafira B (Zafira II) 2.0 (Z20LEH) — 2007–2009
• Opel Zafira B (Zafira II) 2.2 (Z22YH) — 2006–2011
• Saab 9-3 1.8T (B207E) — 2002–2006
• Saab 9-3 2.0T (B207L) — 2002–2009

OE Reference Numbers

• Fiat: 46830697, 51775332
• Opel: 13 04 677
• Vauxhall: 09202799

Specifications

• SKU: RC1229
• Material: Plastic
• Colour: Yellow
• Mounting Type: Screw connection
• Thread Type: Internal thread

Fitment Notes

• Designed to fit the compatible expansion tank / reservoir used on the vehicles listed above.
• Before installation, compare the cap thread style and sealing surface to your existing cap and bottle neck.

Nationwide delivery is available in South Africa. If you want us to confirm fitment, send your VIN and a photo of the current cap/bottle neck for a quick match.