MiMi Auto Parts
THERMOSTAT SEAL,

THERMOSTAT SEAL

SKU: 637017U

Category: COOLING, THERMOSTAT

R23,00 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 thermostat seal is a crucial component in the cooling system of select Opel vehicles. It is designed to provide a tight seal between the thermostat and its housing, preventing coolant leaks and ensuring optimal engine temperature regulation. The flat, rubber gasket construction matches the specific contours of the thermostat housing found in compatible Opel models.

Fitment for this thermostat seal includes Opel Astra F, G, H and Zafira models with 2.0 engines, as well as Astra F 1.8 from 1990 to 2015. Always confirm your vehicle's model, year, engine size, and engine code to ensure the correct fit before purchasing.

A faulty or worn thermostat seal can lead to coolant leaks, engine overheating, or erratic temperature readings. If you notice coolant pooling under your vehicle, a drop in coolant levels, or fluctuating temperature gauges, the thermostat seal may need attention.

Replacing the thermostat seal is recommended whenever the thermostat is replaced or if any signs of leakage are present. This helps maintain the integrity of your cooling system and prevents costly engine damage.

Order your replacement thermostat seal from MiMi Auto Parts for reliable fitment and nationwide delivery across South Africa. Trust our expertise to keep your Opel running smoothly.

Common signs this part may need replacement

  • Coolant leaking around thermostat housing
  • Engine overheating
  • Erratic temperature gauge readings
  • Low coolant levels
  • Visible cracks or wear on the seal
  • Coolant odour in engine bay
  • Steam from engine compartment
  • Frequent need to top up coolant

Typical replacement guidance

Replace the thermostat seal whenever you remove or replace the thermostat, or if there are signs of coolant leakage around the housing. Timely replacement helps prevent leaks and maintains proper engine cooling.

Why timely replacement matters

A damaged thermostat seal can cause coolant to leak, leading to engine overheating and potential engine damage. Replacing it promptly ensures your cooling system remains sealed and effective.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • 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 16V (F19, M19) (X 20 XEV) – 100 kW / 136 HP
  • OPEL ASTRA CLASSIC G Saloon (T98) 1999 – 2006 2.0 16V (F69) (X 20 XEV) – 100 kW / 136 HP
  • OPEL ASTRA G Hatchback (T98) 1998 – 2005 2.0 16V (F08, F48) (X 20 XEV) – 100 kW / 136 HP
  • OPEL ASTRA G Hatchback (T98) 1998 – 2005 2.0 OPC (F08, F48) (Z 20 LET) – 147 kW / 200 HP
  • OPEL ASTRA H GTC (A04) 2005 – 2010 2.0 OPC (L08) (Z 20 LEH) – 177 kW / 240 HP
  • OPEL ASTRA H GTC (A04) 2005 – 2010 2.0 Turbo (L08) (Z 20 LER) – 147 kW / 200 HP
  • OPEL ASTRA H TwinTop (A04) 2007 – 2009 2.0 Turbo (L67) (Z 20 LER) – 147 kW / 200 HP
  • OPEL CALIBRA A (C89) 1989 – 1997 2.0 i 16V (M07) (X 20 XEV) – 100 kW / 136 HP
  • OPEL OMEGA B (V94) 1994 – 2003 2.2 16V (F69, M69, P69) (Y 22 XE|Z 22 XE) – 106 kW / 144 HP
  • OPEL ZAFIRA B MPV (A05) 2006 – 2009 2.0 OPC (M75) (Z 20 LEH) – 177 kW / 241 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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