MiMi Auto Parts
HOSE WATERPUMP TO EXPANSION TANK, Cooltec

HOSE WATERPUMP TO EXPANSION TANK

Brand: Cooltec

SKU: 650013

Category: COOLING, RADIATOR HOSE

R581,90 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

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Fitment: Fits selected Opel models. Confirm exact fitment before ordering.

Product Description

This Cooltec hose connects the waterpump to the expansion tank in your Opel's cooling system, playing a crucial role in circulating coolant between these components. Designed specifically for Opel models, this cooling radiator hose features factory-style bends and integrated connectors to ensure a precise fit and reliable performance.

Fitment is suitable for selected Opel Astra H, GTC, and Zafira B vehicles with 1.6 or 1.8 engines. Always confirm your exact model, year, engine size, and engine code before ordering to ensure compatibility.

Common symptoms of a failing waterpump-to-expansion tank hose include visible coolant leaks, low coolant levels, overheating, swelling or softening of the hose, and loss of pressure in the cooling system. You may also notice steam from the engine bay or a persistent coolant smell.

Replace this hose if you observe any signs of wear, cracks, leaks, or if your coolant system is not maintaining pressure. Timely replacement helps prevent engine overheating and potential damage to other cooling components.

Shop with confidence at MiMi Auto Parts. We offer nationwide delivery across South Africa and are ready to assist you with the right cooling parts for your Opel. Always double-check your vehicle details before purchase.

Common signs this part may need replacement

  • Coolant leaks near the hose or under the vehicle
  • Low coolant warning light
  • Engine overheating
  • Swollen, cracked, or soft hose
  • Steam from the engine bay
  • Persistent coolant smell
  • Loss of coolant system pressure
  • Visible wear or deterioration on the hose

Typical replacement guidance

Replace the waterpump to expansion tank hose if you notice cracks, leaks, swelling, or softening, or during major cooling system maintenance. Timely replacement prevents coolant loss and engine overheating.

Why timely replacement matters

A damaged or leaking hose can lead to coolant loss and rapid engine overheating, risking severe engine damage. Maintaining a healthy hose ensures reliable cooling system performance.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • OPEL ASTRA H (A04) 2004 – 2011 1.6 (L48) (A 16 XER|Z 16 XER) – 85 kW / 116 HP
  • OPEL ASTRA H (A04) 2004 – 2011 1.6 (L48) (Z 16 XE1|Z 16 XEP) – 77 kW / 105 HP
  • OPEL ASTRA H (A04) 2004 – 2011 1.8 (L48) (A 18 XER|Z 18 XER) – 103 kW / 140 HP
  • OPEL ASTRA H GTC (A04) 2005 – 2010 1.8 (L08) (A 18 XER|Z 18 XER) – 103 kW / 140 HP
  • OPEL ASTRA H TwinTop (A04) 2007 – 2009 1.8 (L67) (A 18 XER|Z 18 XER) – 103 kW / 140 HP
  • OPEL ZAFIRA B MPV (A05) 2006 – 2009 1.6 (M75) (Z 16 XE1|Z 16 XEP) – 77 kW / 105 HP
  • OPEL ZAFIRA B MPV (A05) 2006 – 2009 1.8 (M75) (A 18 XER|Z 18 XER) – 103 kW / 140 HP

Fitment support

Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.

Installation note

Cooling system work involves draining and refilling coolant and may require specialised tools. Professional installation is recommended to ensure correct coolant mixture, bleeding of air from the system, and leak-free connections.

Frequently Asked Questions

What are the signs of a failing water pump?

Common signs may include coolant leaks near the front of the engine, engine overheating, a whining or grinding noise from the water pump area, or coolant loss without visible external leaks. Diagnosis should be confirmed before replacement.

Can I drive with a coolant leak?

Driving with a coolant leak is not recommended. Loss of coolant can lead to engine overheating and potentially serious engine damage. The vehicle should be inspected and the leak repaired before further driving.

Does this part fit my vehicle?

Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.

Is the price VAT-inclusive?

Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.

Do you deliver across South Africa?

Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.

Is professional installation recommended?

Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.

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