MiMi Auto Parts
EXPANSION TANK WITH CAP, Cooltec

EXPANSION TANK WITH CAP

Brand: Cooltec

SKU: 109119

Category: COOLING, WATER BOTTLE

R455,40 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

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Fitment: Fits selected models across Audi and Volkswagen. Confirm exact fitment before ordering.

Product Description

This Cooltec expansion tank with cap is a crucial component in your vehicle's cooling system, serving as the reservoir for excess coolant and helping to maintain optimal engine temperatures. Designed for use in selected Audi and Volkswagen models, it features sturdy plastic construction with integrated mounting tabs and hose connections for a secure and reliable fit.

Compatibility includes various Audi and Volkswagen vehicles, such as certain Polo, T-Cross, and A1 models. As fitment can vary, always confirm your vehicle’s model, year, engine size, and engine code before purchasing to ensure a proper match.

Common symptoms of a failing or leaking expansion tank include visible coolant leaks, frequent low coolant warnings, overheating, or a swollen or cracked tank. You may also notice steam from under the bonnet or inconsistent heater performance inside the car.

If you observe any of these signs, it is important to replace the expansion tank promptly to avoid costly engine damage. Ensure you use the correct part with the included cap, and always check system pressure after installation.

MiMi Auto Parts offers this Cooltec cooling water bottle for quick nationwide delivery in South Africa. Our knowledgeable team is here to help you select the right part for your vehicle, giving you peace of mind and reliable service.

Common signs this part may need replacement

  • Coolant leaks around the expansion tank
  • Frequent low coolant level warnings
  • Engine overheating
  • Cracks or swelling in the tank
  • Steam coming from the engine bay
  • Unusual coolant odours
  • Coolant residue on or near the tank
  • Inconsistent heater performance
  • Pressure loss in the cooling system

Typical replacement guidance

Replace the expansion tank if you notice leaks, cracks, or swelling, or if your vehicle frequently loses coolant. Timely replacement helps prevent overheating and potential engine damage.

Why timely replacement matters

A faulty expansion tank can lead to coolant loss and engine overheating, risking severe engine damage. Replacing it promptly ensures your cooling system operates safely and efficiently.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • AUDI A1 Sportback (GBA) 2018 – 2026 30 TFSI (DKJA|DKRF|DUSA) – 85 kW / 116 HP
  • AUDI A1 Sportback (GBA) 2018 – 2026 35 TFSI (DADA|DPCA|DXDB) – 110 kW / 150 HP
  • AUDI A1 Sportback (GBA) 2018 – 2026 40 TFSI (CZPC|DKZC) – 147 kW / 200 HP
  • VOLKSWAGEN POLO IV (AW1, BZ1, AE1) 2018 – 2026 1.0 TSI (CHZJ|DKJA|DKRF|DUSA|DXUA) – 85 kW / 116 HP
  • VOLKSWAGEN POLO IV (AW1, BZ1, AE1) 2018 – 2026 1.0 TSI (CHZL|DKLA|DLAC|DUSB|DXTA) – 70 kW / 95 HP
  • VOLKSWAGEN POLO IV (AW1, BZ1, AE1) 2018 – 2026 1.6 MPi (CWVB) – 66 kW / 90 HP
  • VOLKSWAGEN POLO IV (AW1, BZ1, AE1) 2018 – 2026 2.0 GTI (CZPC|DKZC) – 147 kW / 200 HP
  • VOLKSWAGEN TAIGO (CS1) 2022 – 2026 1.0 TSI (DUSA|DXUA) – 85 kW / 116 HP
  • VOLKSWAGEN T-CROSS (C11, D31) 2019 – 2026 1.0 TSi (CHZL|DKLA|DLAC|DUSB|DXTA) – 70 kW / 95 HP
  • VOLKSWAGEN T-CROSS (C11, D31) 2019 – 2026 1.0 TSi (DKJA|DKRF|DUSA|DXUA) – 85 kW / 116 HP
  • VOLKSWAGEN T-CROSS (C11, D31) 2019 – 2026 1.5 TSI (DADA|DPCA|DXDB) – 110 kW / 150 HP
  • VOLKSWAGEN TIGUAN (AD1, AX1) 2016 – 2026 2.0 TDI 4motion (DBGC|DFGA|DTSA|DTSB) – 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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