MiMi Auto Parts
CAP EXPANSION TANK 1.6BAR, Cooltec

CAP EXPANSION TANK 1.6BAR

Brand: Cooltec

SKU: 146017

Category: BRAND NEW, COOLING, PRESSURE CAP

R126,50 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

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

Product Description

This Cooltec CAP EXPANSION TANK 1.6BAR is a brand new cooling pressure cap designed specifically for Audi vehicles. It plays a vital role in maintaining the correct pressure within your vehicle's cooling system, ensuring efficient engine temperature regulation. The cap features an integrated pressure valve and multiple sealing rings to help prevent coolant leaks and maintain system integrity.

This part is suitable for a range of Audi models, including the A4, A5, A6, A7, A8, Q5, Q7, and Q8, as well as Touareg models with engine sizes from 1.4 to 4.0 litres from 2015 onwards. Always confirm your vehicle’s model, year, engine size, and engine code before ordering to ensure compatibility.

Common symptoms of a faulty expansion tank cap include coolant leaks around the cap, overheating, an expanding or collapsing coolant reservoir, loss of coolant without visible leaks, and pressure loss in the cooling system. You may also notice steam from under the bonnet or warning lights related to engine temperature.

Replace your expansion tank cap if you notice any of these symptoms, or as part of routine cooling system maintenance. A worn or damaged cap can compromise cooling system performance and lead to costly engine damage if not addressed promptly.

MiMi Auto Parts offers reliable parts with nationwide delivery across South Africa. Our team is ready to assist you in finding the right part for your Audi, so you can drive with confidence knowing your cooling system is protected.

Common signs this part may need replacement

  • Coolant leaking around the cap
  • Engine overheating
  • Coolant reservoir expanding or collapsing
  • Loss of coolant with no visible leaks
  • Steam coming from under the bonnet
  • Low coolant warning light
  • Pressure loss in the cooling system
  • Difficulty maintaining correct engine temperature

Typical replacement guidance

Replace the expansion tank cap if you notice coolant leaks, pressure loss, or any signs of overheating. It is also recommended to replace the cap during major cooling system services or whenever the cap's seals become brittle or damaged.

Why timely replacement matters

A faulty expansion tank cap can lead to loss of coolant pressure, overheating, and potential engine damage. Timely replacement helps maintain cooling system efficiency and prevents costly repairs.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 1.4 TFSI (CVNA) – 110 kW / 150 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 2.0 TDI (DESA|DETA|DFVA) – 140 kW / 190 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 2.0 TFSI (CVKB|DBPA) – 140 kW / 190 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 2.0 TFSI quattro (CYMC|CYRB) – 185 kW / 252 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 35 TDI (CZHA|DEUA) – 110 kW / 150 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 35 TFSI Mild Hybrid (CVKC|DEMB|DLVB|DMSB) – 110 kW / 150 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 40 TDI (DESA|DETA) – 140 kW / 190 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 40 TFSI Mild Hybrid (DEMA|DKYA|DLVA) – 140 kW / 190 HP
  • AUDI A4 / S4 B9 (8W2, 8WC) 2015 – 2026 S4 TFSi quattro (CWGD) – 260 kW / 354 HP
  • AUDI A4 / S4 B9 Avant (8W5, 8WD) 2019 – 2026 RS4 TFSi quattro (DECA) – 331 kW / 450 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 2.0 TDI (DESA|DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 2.0 TDI quattro (DESA|DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 2.0 TFSI (CVKB|DKYA) – 140 kW / 190 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 2.0 TFSI quattro (CYMC|CYRB|DLHB) – 185 kW / 252 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 40 TDI (DESA|DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 40 TDI quattro (DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 40 TFSI Mild Hybrid (DEMA|DHDA|DKYA|DLVA) – 140 kW / 190 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 RS5 TFSI quattro (DECA) – 331 kW / 450 HP
  • AUDI A5 / S5 (F53, F5P) 2017 – 2026 S5 TFSI quattro (CWGD) – 260 kW / 354 HP
  • AUDI A5 / S5 Convertible (F57, F5E) 2017 – 2026 2.0 TFSI (CVKB|DKYA) – 140 kW / 190 HP
  • AUDI A5 / S5 Convertible (F57, F5E) 2017 – 2026 2.0 TFSI quattro (CYMC|CYRB|DLHB) – 185 kW / 252 HP
  • AUDI A5 / S5 Convertible (F57, F5E) 2017 – 2026 S5 TFSI quattro (CWGD) – 260 kW / 354 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 2.0 TDI (DESA|DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 2.0 TDI quattro (DESA|DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 2.0 TFSI (CVKB|DKYA) – 140 kW / 190 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 2.0 TFSI quattro (CYMC|CYRB|DLHB) – 185 kW / 252 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 40 TDI (DESA|DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 40 TDI quattro (DETA) – 140 kW / 190 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 40 TFSI Mild Hybrid (DEMA|DHDA|DKYA|DLVA) – 140 kW / 190 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 RS5 TFSI quattro (DECA) – 331 kW / 450 HP
  • AUDI A5 / S5 Sportback (F5A, F5F) 2017 – 2026 S5 TFSI quattro (CWGD) – 260 kW / 354 HP
  • AUDI A6 / S6 C8 Avant (4A5) 2021 – 2026 RS6 TFSI Mild Hybrid quattro (DJPB|DWLA|DYGB) – 441 kW / 600 HP
  • AUDI A6 C8 (4A2) 2018 – 2026 40 TDI (DESA) – 140 kW / 190 HP
  • AUDI A6 C8 (4A2) 2018 – 2026 45 TDI quattro (CVMD) – 183 kW / 249 HP
  • AUDI A6 C8 (4A2) 2018 – 2026 S6 TFSI Mild Hybrid quattro (DKMB) – 331 kW / 450 HP
  • AUDI A7 / S7 Sportback (4KA) 2019 – 2026 55 TFSI Mild Hybrid quattro (DLZA) – 250 kW / 340 HP
  • AUDI A7 / S7 Sportback (4KA) 2019 – 2026 RS7 TFSI Mild Hybrid quattro (DJPB|DWLA|DYGB) – 441 kW / 600 HP
  • AUDI A7 / S7 Sportback (4KA) 2019 – 2026 S7 TFSI Mild Hybrid quattro (DKMB) – 331 kW / 450 HP
  • AUDI A8 / S8 D5 (4N2, 4N8, 4NC, 4NL) 2021 – 2026 S8 TFSI Mild Hybrid quattro (CWWB|DWKA) – 420 kW / 571 HP
  • AUDI Q5 (FYB, FYG) 2016 – 2026 2.0 TDI quattro (DESA|DETA) – 140 kW / 190 HP
  • AUDI Q5 (FYB, FYG) 2016 – 2026 2.0 TFSI quattro (DAXB|DAYB|DJYA) – 185 kW / 252 HP
  • AUDI Q5 (FYB, FYG) 2016 – 2026 40 TDI quattro (DESA|DETA) – 140 kW / 190 HP
  • AUDI Q5 (FYB, FYG) 2016 – 2026 45 TFSI Mild Hybrid quattro (DGKB) – 183 kW / 249 HP
  • AUDI Q5 (FYB, FYG) 2016 – 2026 SQ5 TFSI quattro (CWGD) – 260 kW / 354 HP
  • AUDI Q5 Sportback (FYT) 2021 – 2026 45 TFSI Mild Hybrid quattro (DGKB) – 183 kW / 249 HP
  • AUDI Q5 Sportback (FYT) 2021 – 2026 SQ5 TFSI quattro (CWGD) – 260 kW / 354 HP
  • AUDI Q7 (4MB, 4MG, 4MQ) 2015 – 2026 2.0 TFSI quattro (CYMC|CYRB|DMFB) – 185 kW / 252 HP
  • AUDI Q7 (4MB, 4MG, 4MQ) 2015 – 2026 3.0 TDI quattro (CVMD) – 183 kW / 249 HP
  • AUDI Q7 (4MB, 4MG, 4MQ) 2015 – 2026 45 TDI quattro (CVMD) – 183 kW / 249 HP
  • AUDI Q7 (4MB, 4MG, 4MQ) 2015 – 2026 55 TFSI quattro (DCBE) – 250 kW / 340 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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