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W123 expansion tank cap – find the right fit for your vehicle

Top-quality expansion tank cap W123 available at low prices
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MERCEDES-BENZ W123 Saloon (W123) – find the right Expansion tank cap for your vehicle

Genuine W123 coolant reservoir cap upgrade — enjoy exclusive savings and deals

Most in-demand Coolant reservoir cap for MERCEDES-BENZ W123 Saloon (W123)

Top-selling parts in the Coolant reservoir cap section for MERCEDES-BENZ Saloon. Select a high-quality coolant reservoir cap suitable for your MERCEDES-BENZ W123 Saloon from our trusted range.

-62%
RIDEX 56V0005 genuine W123 expansion tank cap cost
Reviews - 16
Parts Details
  • Pressure [bar]: 1,2
  • Material: Plastic
  • Colour: yellow
  • RIDEX: Expansion tank cap
  • Item number: 56V0005
  • Our price: 3,99 €
  • Condition: New
Details
RIDEX 56V0005 Expansion tank cap
Article number: 56V0005
compared to RRP 10,70 €

3,99 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-59%
RIDEX 56V0058 genuine W123 expansion tank cap cost
Reviews - 8
Parts Details
  • Thickness: 9,5, 25,0
  • Inner Diameter [mm]: 37,0, 51,0
  • Diameter: 57,5
  • Colour: black
  • Material: Sheet Steel, Rubber
  • Shifting Points [bar]: 1,4
  • Weight [kg]: 0,072
  • RIDEX: Expansion tank cap
  • Item number: 56V0058
  • Our price: 4,29 €
  • Condition: New
Details
RIDEX 56V0058 Expansion tank cap
Article number: 56V0058
compared to RRP 10,70 €

4,29 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-34%
FEBI BILSTEIN 02359 genuine W123 expansion tank cap cost
Reviews - 3
Parts Details
  • Material: Metal, Sheet Steel, Rubber
  • Opening Pressure [bar]: 1,2
  • for OE number: 123 501 02 15
  • Diameter: 57,7
  • Colour: black
  • Shifting Points [bar]: 1,2
  • Weight [kg]: 0,068
  • FEBI BILSTEIN: Expansion tank cap
  • Item number: 02359
  • Our price: 7,29 €
  • Condition: New
Details
FEBI BILSTEIN 02359 Expansion tank cap Opening Pressure: 1,2bar
Article number: 02359
compared to RRP 11,21 €

7,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

GATES RC217 genuine W123 expansion tank cap cost
Reviews - 2
Parts Details
  • Pressure [bar]: 1,4
  • Diameter: 60
  • Height: 27
  • Pressure [psi]: 20
  • GATES: Expansion tank cap
  • Item number: RC217
  • Our price: 7,59 €
  • Condition: New
Details
GATES 7410-30059 Expansion tank cap
Article number: RC217
7,59 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

JP GROUP 1114800100 1981 W123 expansion tank cap price
Parts Details
  • Material: Plastic
  • Colour Coding: blue
  • Supplementary Info: CLASSIC
  • JP GROUP: Expansion tank cap
  • Item number: 1114800100
  • Our price: 6,99 €
  • Condition: New
Details
JP GROUP 1114800100 Expansion tank cap
Article number: 1114800100
6,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

Metalcaucho 45134 1980 W123 expansion tank cap price
Parts Details
  • Height: 25
  • Pressure [bar]: 0,9
  • Diameter: 57,5
  • Metalcaucho: Expansion tank cap
  • Item number: 45134
  • Our price: 6,99 €
  • Condition: New
Details
Metalcaucho 45134 Expansion tank cap
Article number: 45134
6,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-28%
SWAG 10 99 0009 1979 W123 expansion tank cap price
Parts Details
  • Material: Metal, Sheet Steel, Rubber
  • Opening Pressure [bar]: 1,2
  • for OE number: 123 501 02 15
  • Diameter: 57,7
  • Colour: black
  • Shifting Points [bar]: 1,2
  • Weight [kg]: 0,068
  • SWAG: Expansion tank cap
  • Item number: 10 99 0009
  • Our price: 7,99 €
  • Condition: New
Details
SWAG 10 99 0009 Expansion tank cap Opening Pressure: 1,2bar
Article number: 10 99 0009
compared to RRP 11,21 €

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

Sold by AUTODOC

BGA CC3044 1978 W123 expansion tank cap price
Parts Details
  • Pressure [bar]: 1
  • Pressure [psi]: 15
  • BGA: Expansion tank cap
  • Item number: CC3044
  • Our price: 6,99 €
  • Condition: New
Details
BGA CC3044 Expansion tank cap
Article number: CC3044
6,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

BGA CC3025 Mercedes-Benz W123 coolant reservoir cap
Parts Details
  • Pressure [bar]: 1,4
  • for OE number: A1235010215
  • BGA: Expansion tank cap
  • Item number: CC3025
  • Our price: 7,59 €
  • Condition: New
Details
BGA CC3025 Expansion tank cap
Article number: CC3025
7,59 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

MOTORAD OT20 W123 expansion tank cap
Reviews - 1
Parts Details
  • Mounting Type: Bayonet
  • Pressure [bar]: 1,4
  • for OE number: 1245000406
  • Weight [g]: 64,5
  • Packaging length [cm]: 7,5
  • Packaging width [cm]: 7,5
  • Packaging height [cm]: 8,3
  • MOTORAD: Expansion tank cap
  • Item number: OT20
  • Our price: 12,99 €
  • Condition: New
Details
MOTORAD OT20 Expansion tank cap
Article number: OT20
12,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-33%
TOPRAN 400 252 Mercedes W123 coolant reservoir cap
Parts Details
  • Material: Sheet Steel
  • Mounting Type: Bayonet
  • TOPRAN: Expansion tank cap
  • Item number: 400 252
  • Our price: 6,59 €
  • Condition: New
Details
TOPRAN 400 252 002 Expansion tank cap
Article number: 400 252
compared to RRP 9,96 €

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

Sold by AUTODOC

JP GROUP 1514800100 Mercedes-Benz W123 expansion tank cap
Reviews - 1
Parts Details
  • Pressure [bar]: 1
  • JP GROUP: Expansion tank cap
  • Item number: 1514800100
  • Our price: 10,99 €
  • Condition: New
Details
JP GROUP ES1701 Expansion tank cap
Article number: 1514800100
10,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-59%
STARK SKVK-1960032 1983 W123 coolant reservoir cap prices
Reviews - 1
Parts Details
  • Thickness: 9,5, 25,0
  • Inner Diameter [mm]: 37,0, 51,0
  • Diameter: 57,5
  • Colour: black
  • Material: Sheet Steel, Rubber
  • Shifting Points [bar]: 1,4
  • Weight [kg]: 0,072
  • STARK: Expansion tank cap
  • Item number: SKVK-1960032
  • Our price: 4,29 €
  • Condition: New
Details
STARK SKVK-1960032 Expansion tank cap
Article number: SKVK-1960032
compared to RRP 10,70 €

4,29 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

TRICLO 318070 1982 Mercedes W123 expansion tank cap prices
Reviews - 12
Parts Details
  • TRICLO: Expansion tank cap
  • Item number: 318070
  • Our price: 5,29 €
  • Condition: New
Details
TRICLO 318070 Expansion tank cap
Article number: 318070
5,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

ORIGINAL IMPERIUM 29641 1981 Mercedes-Benz W123 coolant reservoir cap prices
Reviews - 3
Parts Details
  • Pressure [bar]: 1
  • Weight [g]: 68
  • ORIGINAL IMPERIUM: Expansion tank cap
  • Item number: 29641
  • Our price: 14,99 €
  • Condition: New
Details
ORIGINAL IMPERIUM 29641 Expansion tank cap
Article number: 29641
14,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-37%
FEBI BILSTEIN 06568 1980 W123 expansion tank cap prices
Reviews - 8
Parts Details
  • Material: Metal, Sheet Steel, Rubber
  • Opening Pressure [bar]: 1,4
  • for OE number: 124 500 04 06
  • Diameter: 57,5
  • Colour: black
  • Shifting Points [bar]: 1,4
  • Surface: Zinc-coated
  • Weight [kg]: 0,072
  • FEBI BILSTEIN: Expansion tank cap
  • Item number: 06568
  • Our price: 5,29 €
  • Condition: New
Details
FEBI BILSTEIN 06568 Expansion tank cap Opening Pressure: 1,4bar
Article number: 06568
compared to RRP 8,48 €

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

Sold by AUTODOC

-10%
CALORSTAT by Vernet RC0039 1979 MERCEDES-BENZ W123 Saloon (W123) coolant reservoir cap prices
Reviews - 4
Parts Details
  • Pressure [bar]: 1,2
  • CALORSTAT by Vernet: Expansion tank cap
  • Item number: RC0039
  • Our price: 8,99 €
  • Condition: New
Details
CALORSTAT by Vernet RC0039 Expansion tank cap
Article number: RC0039
compared to RRP 10,04 €

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

Sold by AUTODOC

ABAKUS 054-027-002 1978 W123 expansion tank cap prices
Reviews - 13
Parts Details
  • Pressure [bar]: 2
  • Colour: black
  • Assy. / disassy. by qualified personnel required!
  • ABAKUS: Expansion tank cap
  • Item number: 054-027-002
  • Our price: 4,99 €
  • Condition: New
Details
ABAKUS 054-027-002 Expansion tank cap
Article number: 054-027-002
4,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

TRICLO 311319 1977 Mercedes W123 coolant reservoir cap prices
Reviews - 9
Parts Details
  • Pressure [bar]: 1,4
  • old version
  • TRICLO: Expansion tank cap
  • Item number: 311319
  • Our price: 7,29 €
  • Condition: New
Details
TRICLO 311319 Expansion tank cap
Article number: 311319
7,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-36%
MEYLE 014 238 9000 1976 Mercedes-Benz W123 expansion tank cap prices
Reviews - 5
Parts Details
  • Pressure [bar]: 2
  • MEYLE: Expansion tank cap
  • Item number: 014 238 9000
  • Our price: 14,49 €
  • Condition: New
Details
MEYLE MMX0147 Expansion tank cap
Article number: 014 238 9000
compared to RRP 22,95 €

14,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

Expansion tank cap: components for the most widely used MERCEDES-BENZ W123 Saloon (W123) models

W123 200
MERCEDES-BENZ 123-Series W123 220:
W123 230
MERCEDES-BENZ 123-Series W123 240:
W123 250
MERCEDES-BENZ 123-Series W123 280:
W123 300
Explore great-value discounts on
Safe Order 200 days for expansion tank cap W123 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 €.

Free Shipping for expansion tank cap W123 purchase
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Each order from 120 € value of goods, include free shipping within the Netherlands.
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