MiMi Auto Parts
EXPANSION TANK, Moca

EXPANSION TANK

Brand: Moca

SKU: 686103

Category: COOLING, WATER BOTTLE

R370,30 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 Moca expansion tank is an essential component in your Opel's cooling system, designed to safely store excess coolant and regulate pressure as your engine heats up and cools down. Crafted from durable, translucent plastic, it allows easy monitoring of coolant levels, helping you maintain proper engine temperature on the road.

Specifically suited for Opel vehicles, this cooling water bottle fits select models, including popular variants like the Astra F with 1.6, 1.8, and 2.0 8V engines from the mid-90s. Always confirm your Opel’s model, year, engine size, and engine code before placing your order to ensure the correct fit.

Common symptoms of a failing expansion tank include visible coolant leaks, frequent low coolant warnings, overheating, or cracks in the reservoir. You might also notice steam from the engine bay or a persistent smell of coolant, which can indicate a problem with the tank.

If you spot any of these warning signs or see that your expansion tank is discoloured, brittle, or leaking, it is time for a replacement. Regular inspection and timely replacement help prevent serious engine overheating and costly repairs down the line.

Order your Moca expansion tank from MiMi Auto Parts for reliable cooling system maintenance. We offer nationwide delivery across South Africa, and our team is here to help you find the right part for your Opel. Always double-check your vehicle details before ordering for the best results.

Common signs this part may need replacement

  • Coolant leaks underneath the vehicle
  • Frequent low coolant level warnings
  • Engine overheating
  • Cracks or visible damage on the tank
  • Steam or vapour from the engine bay
  • Persistent coolant smell around the bonnet
  • Discoloured or brittle plastic
  • Unstable engine temperature gauge readings
  • Coolant residue around the cap or hose connection

Typical replacement guidance

Replace the expansion tank if you notice leaks, cracks, or signs of ageing, as these can compromise your cooling system. Regular checks are recommended, especially on older vehicles, to avoid overheating and potential engine damage.

Why timely replacement matters

Timely replacement of a faulty expansion tank prevents coolant loss and engine overheating. This helps maintain optimal engine performance and protects against costly repairs.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • OPEL ASCONA C (J82) 1982 – 1987 1.8 i (F11, M11, F68, M68) (18 E) – 85 kW / 115 HP
  • OPEL ASTRA CLASSIC F Saloon (T92) 1992 – 2001 1.6 iE (F19, M19) (C 16 SE) – 74 kW / 100 HP
  • OPEL ASTRA CLASSIC F Saloon (T92) 1992 – 2001 1.8 i 16V (F19, M19) (C 18 SEL|C 18 XEL|X 18 XE) – 85 kW / 116 HP
  • OPEL ASTRA CLASSIC F Saloon (T92) 1992 – 2001 2.0 i (F19, M19) (C 20 NE) – 85 kW / 115 HP
  • OPEL ASTRA CLASSIC F Saloon (T92) 1992 – 2001 2.0 i 16V (F19, M19) (X 20 XEV) – 100 kW / 136 HP
  • OPEL ASTRA F (T92) 1991 – 1998 1.6 (F19, M19) (16 LZ2) – 55 kW / 75 HP
  • OPEL ASTRA F (T92) 1991 – 1998 1.6 i 16V (F19, M19) (X 16 XEL) – 74 kW / 100 HP
  • OPEL ASTRA F (T92) 1991 – 1998 1.8 i (F19, M19) (C 18 NZ) – 66 kW / 90 HP
  • OPEL ASTRA F Estate (T92) 1991 – 2001 1.6 i (F08, C05) (C 16 NZ|X 16 SZR) – 55 kW / 75 HP
  • OPEL ASTRA F Estate (T92) 1991 – 2001 1.6 i (F35, M35) (C 16 SE) – 74 kW / 101 HP
  • OPEL ASTRA F Estate (T92) 1991 – 2001 1.6 i 16V (F35, M35) (X 16 XEL) – 74 kW / 100 HP
  • OPEL ASTRA F Estate (T92) 1991 – 2001 1.8 i (F08, C05) (C 18 NZ) – 66 kW / 90 HP
  • OPEL ASTRA F Estate (T92) 1991 – 2001 2.0 i (F35, M35) (C 20 NE) – 85 kW / 115 HP
  • OPEL ASTRA F Estate (T92) 1991 – 2001 2.0 i 16V (F08, C05) (C 20 XE) – 110 kW / 150 HP
  • OPEL ASTRA F Estate (T92) 1991 – 2001 2.0 i 16V (F35, M35) (X 20 XEV) – 100 kW / 136 HP
  • OPEL ASTRA F Hatchback (T92) 1994 – 1998 1.6 i 16V (F08, M08, F68, M68) (X 16 XEL) – 74 kW / 100 HP
  • OPEL KADETT F Hatchback (T92) 1992 – 2000 1.6 iS (F08, M08, F68, M68) (C 16 SE) – 74 kW / 101 HP
  • OPEL KADETT F Hatchback (T92) 1992 – 2000 1.8 i (F08, M08, F68, M68) (C 18 NZ) – 66 kW / 90 HP
  • OPEL KADETT F Hatchback (T92) 1992 – 2000 2.0 i (F08, M08, F68, M68) (C 20 NE) – 85 kW / 115 HP
  • OPEL KADETT F Hatchback (T92) 1992 – 2000 2.0 i 16V (F08, M08, F68, M68) (C 20 XE) – 110 kW / 150 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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