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Q8 coolant cap – find the right fit for your vehicle

Top-quality coolant cap Q8 available at low prices
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AUDI Q8 (4MN) – find the right Coolant cap for your vehicle

Genuine Q8 expansion tank cap upgrade — enjoy exclusive savings and deals

Most in-demand Coolant tank cap for AUDI Q8 (4MN)

Top-selling parts in the Coolant tank cap section for AUDI Q8. Select a high-quality coolant tank cap your AUDI 4MN Q8 from our trusted range.

-39%
RIDEX 56V0002 genuine Q8 coolant cap cost
Reviews - 30
Parts Details
  • Material: Plastic
  • Colour: blue
  • Mounting Type: Screw Connection
  • Thread Type: External Thread
  • External Thread [mm]: M63 x 3
  • Switch point from [bar]: 1,4
  • Switch point to [bar]: 1,6
  • RIDEX: Expansion tank cap
  • Item number: 56V0002
  • Our price: 4,59 €
  • Condition: New
Details
RIDEX 56V0002 Expansion tank cap
Article number: 56V0002
compared to RRP 7,60 €

4, 59 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-12%
QUINTON HAZELL FC573 genuine Q8 coolant cap cost
Reviews - 2
Parts Details
  • Material: Plastic
  • Pressure [bar]: 1,6
  • Colour: black
  • QUINTON HAZELL: Expansion tank cap
  • Item number: FC573
  • Our price: 17,99 €
  • Condition: New
Details
QUINTON HAZELL FC573 Expansion tank cap
Article number: FC573
compared to RRP 20,45 €

17, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

GATES RC267 genuine Q8 coolant cap cost
Parts Details
  • Material: Plastic
  • Pressure [bar]: 1,6
  • Diameter: 91,5
  • Height: 55
  • Pressure [psi]: 23,2
  • GATES: Expansion tank cap
  • Item number: RC267
  • Our price: 33,99 €
  • Condition: New
Details
GATES 7410-30267 Expansion tank cap
Article number: RC267
33, 99 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

-27%
VAICO V10-7946 genuine Q8 coolant cap cost
Parts Details
  • Pressure [bar]: 1,6
  • Colour: blue
  • Material: Plastic
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Corresponds to the original part in colour: black / grey, blue / grey
  • VAICO: Expansion tank cap
  • Item number: V10-7946
  • Our price: 18,99 €
  • Condition: New
Details
VAICO 1094991 Expansion tank cap with gasket/seal
Article number: V10-7946
compared to RRP 26,14 €

18, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

MOTORAD T96 2022 Q8 coolant cap price
Parts Details
  • Pressure [bar]: 1,4
  • for OE number: 46441776
  • Weight [g]: 36
  • Packaging length [cm]: 7,5
  • Packaging width [cm]: 7,5
  • Packaging height [cm]: 8,3
  • MOTORAD: Expansion tank cap
  • Item number: T96
  • Our price: 9,29 €
  • Condition: New
Details
MOTORAD T96 Expansion tank cap
Article number: T96
9, 29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-53%
METZGER 2140435 2021 Q8 coolant cap price
Parts Details
  • Pressure [bar]: 1,6
  • Material: Plastic
  • Version: IAM
  • METZGER: Expansion tank cap
  • Item number: 2140435
  • Our price: 8,99 €
  • Condition: New
Details
METZGER 2140435 Expansion tank cap
Article number: 2140435
compared to RRP 19,51 €

8, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

BOGAP A4211105 2020 Q8 coolant cap price
Parts Details
  • Length [mm]: 92
  • Width [mm]: 92
  • Height: 53
  • Weight [kg]: 0,079
  • BOGAP: Expansion tank cap
  • Item number: A4211105
  • Our price: 9,59 €
  • Condition: New
Details
BOGAP 8708919000 Expansion tank cap
Article number: A4211105
9, 59 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

NRF 455618 2019 Q8 coolant cap price
Parts Details
  • NRF: Expansion tank cap
  • Item number: 455618
  • Our price: 16,99 €
  • Condition: New
Details
NRF 455618 Expansion tank cap
Article number: 455618
16, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

VIKA 11211833101 Q8 expansion tank cap
Parts Details
  • VIKA: Expansion tank cap
  • Item number: 11211833101
  • Our price: 5,99 €
  • Condition: New
Details
VIKA 11211833101 Expansion tank cap
Article number: 11211833101
5, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

VIKA 11211867801 Q8 coolant reservoir cap
Reviews - 3
Parts Details
  • VIKA: Expansion tank cap
  • Item number: 11211867801
  • Our price: 5,99 €
  • Condition: New
Details
VIKA 11211867801 Expansion tank cap
Article number: 11211867801
5, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

METZGER 2141053 Q8 coolant tank cap
Parts Details
  • Pressure [bar]: 1,6
  • Colour: black
  • Material: Plastic
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Corresponds to the original part in colour: black, blue, blue / grey
  • METZGER: Expansion tank cap
  • Item number: 2141053
  • Our price: 22,99 €
  • Condition: New
Details
METZGER 2141053 Expansion tank cap with gasket/seal
Article number: 2141053
22, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-10%
GATES RC252 Q8 coolant cap
Parts Details
  • Pressure [bar]: 1,6
  • Diameter: 85,2
  • Height: 29
  • Pressure [psi]: 23
  • GATES: Expansion tank cap
  • Item number: RC252
  • Our price: 10,49 €
  • Condition: New
Details
GATES 7410-30098 Expansion tank cap
Article number: RC252
compared to RRP 11,74 €

10, 49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-45%
TOPRAN 113 866 2023 Q8 expansion tank cap prices
Reviews - 1
Parts Details
  • Material: Plastic
  • Colour: black
  • Opening Pressure [bar]: 1,6
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Mounting Type: Screw Connection
  • Thread Type: External Thread
  • TOPRAN: Expansion tank cap
  • Item number: 113 866
  • Our price: 6,99 €
  • Condition: New
Details
TOPRAN 113 866 001 Expansion tank cap Opening Pressure: 1,6bar, with gasket/seal
Article number: 113 866
compared to RRP 12,88 €

6, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-29%
CALORSTAT by Vernet RC0162 2022 Q8 coolant reservoir cap prices
Reviews - 2
Parts Details
  • Pressure [bar]: 1,6
  • CALORSTAT by Vernet: Expansion tank cap
  • Item number: RC0162
  • Our price: 7,99 €
  • Condition: New
Details
CALORSTAT by Vernet RC0162 Expansion tank cap
Article number: RC0162
compared to RRP 11,39 €

7, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-41%
METZGER 2140060 2021 Q8 coolant tank cap prices
Reviews - 1
Parts Details
  • Pressure [bar]: 1,4
  • Material: Plastic
  • METZGER: Expansion tank cap
  • Item number: 2140060
  • Our price: 6,59 €
  • Condition: New
Details
METZGER 2140060 Expansion tank cap
Article number: 2140060
compared to RRP 11,30 €

6, 59 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-21%
TOPRAN 111 023 2020 Q8 coolant cap prices
Reviews - 8
Parts Details
  • Material: Plastic
  • Colour: blue
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Mounting Type: Screw Connection
  • Thread Type: External Thread
  • for OE number: 3B0 121 321
  • TOPRAN: Expansion tank cap
  • Item number: 111 023
  • Our price: 6,59 €
  • Condition: New
Details
TOPRAN 111 023 001 Expansion tank cap with gasket/seal
Article number: 111 023
compared to RRP 8,43 €

6, 59 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-22%
TOPRAN 107 532 2019 AUDI Q8 (4MN) coolant expansion tank cap prices
Reviews - 16
Parts Details
  • Material: Plastic
  • Colour: blue
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Mounting Type: Screw Connection
  • Thread Type: External Thread
  • for OE number: 1J0 121 321B
  • TOPRAN: Expansion tank cap
  • Item number: 107 532
  • Our price: 5,29 €
  • Condition: New
Details
TOPRAN 107 532 001 Expansion tank cap with gasket/seal
Article number: 107 532
compared to RRP 6,83 €

5, 29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

ABAKUS 053-027-004 2018 Q8 coolant cap prices
Reviews - 10
Parts Details
  • Pressure [bar]: 1,4
  • Colour: blue
  • Assy. / disassy. by qualified personnel required!
  • ABAKUS: Expansion tank cap
  • Item number: 053-027-004
  • Our price: 4,99 €
  • Condition: New
Details
ABAKUS 053-027-004 Expansion tank cap
Article number: 053-027-004
4, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

KAMOKA 7729005 2026 AUDI Q8 (4MN) expansion tank cap prices
Reviews - 6
Parts Details
  • for OE number: 7700805131
  • KAMOKA: Expansion tank cap
  • Item number: 7729005
  • Our price: 4,29 €
  • Condition: New
Details
KAMOKA 7700805131 Expansion tank cap
Article number: 7729005
4, 29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-49%
VAICO V10-0490 2025 Q8 coolant reservoir cap prices
Reviews - 21
Parts Details
  • Colour: blue
  • Pressure [bar]: 1,4
  • Material: Plastic
  • Weight [kg]: 0,1116
  • Packaging width [cm]: 11,2
  • Packaging height [cm]: 12,6
  • Supplementary Info: Original VAICO Quality
  • Packaging Depth [cm]: 8,1
  • VAICO: Expansion tank cap
  • Item number: V10-0490
  • Our price: 8,99 €
  • Condition: New
Details
VAICO 1075397 Expansion tank cap
Article number: V10-0490
compared to RRP 17,79 €

8, 99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

Coolant cap: components for the most widely used AUDI Q8 (4MN) models

Q8 4.0
AUDI Q8 4MN 45 TDI:
Q8 45 TFSI
AUDI Q8 4MN 50 TDI:
Q8 55 TFSI
AUDI Q8 4MN 60 TFSI:
Q8 RS Mild
AUDI Q8 4MN RS Performance:
Q8 SQ8
Explore great-value discounts on
Safe Order 200 days for coolant cap Q8 purchase
Safe Order 200 days
Safe Order 200 days

Confidence in online shopping! You can return a spare part without explanation within 200 days after purchase and get your money back. How? Just use the Safe Order service at the checkout page. The service cost is only 3,95 €.

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