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Expansion tank cap, Radiator cap 5508521

An OEM number is a unique code containing letters and digits. Car manufacturers use them to mark every part inside their cars. A non-original car part carrying an OEM number demonstrates that the part meets stringent car manufacturer standards and its parameters and technical specifications are identical to original equipment.

All spare parts in the list below are equivalent to OEM number 55 08 521:

  • 55 08 521 (original number of OPEL)
  • 55 08 521 (original number of VAUXHALL)


Expansion tank cap, Radiator cap OEM 55 08 521: Cost and Alternatives

Price £ 2 - 58
OEM Brand 3RG, AIC, AKS DASIS, CALORSTAT by Vernet, DAYCO, FEBI BILSTEIN
Car maker GENERAL MOTORS, OPEL, VAUXHALL
OEM 5508521 Equivalents 5508521, 55 08 521
Manufacturers
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22 items
Expansion tank cap RIDEX 55 08 521
Article number: 56V0003
Reviews - 55
  • Material: Plastic
  • Mounting Type: Screw Connection
  • Thread Type: Internal Thread
  • Colour: yellow
  • Item number: 56V0003
  • Our price: £2.99
  • Manufacturer: RIDEX
  • EAN number: 4059191602162
  • Condition: New
  • Reference number OEM: 5508521
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In stock
-40%
compared to RRP £4.50

£2.99
Price per item

price incl. 20% VAT

excl. delivery costs

Expansion tank cap CALORSTAT by Vernet 55 08 521
Article number: RC0004
Reviews - 1
  • Pressure [bar]: 1,4
  • Item number: RC0004
  • Our price: £1.99
  • Manufacturer: CALORSTAT by Vernet
  • EAN number: 3531650022465
  • Condition: New
  • Reference number OEM: 5508521
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In stock
£1.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap STARK 55 08 521
Article number: SKVK-1960002
Reviews - 1
  • Material: Plastic
  • Mounting Type: Screw Connection
  • Thread Type: Internal Thread
  • Colour: yellow
  • Item number: SKVK-1960002
  • Our price: £2.99
  • Manufacturer: STARK
  • EAN number: 4059191602155
  • Condition: New
  • Reference number OEM: 5508521
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In stock
-40%
compared to RRP £4.50

£2.99
Price per item

price incl. 20% VAT

excl. delivery costs

NRF 455600 455600 Expansion tank cap NRF 55 08 521 MERCEDES-BENZ 360° 455600
Expansion tank cap NRF 55 08 521
Article number: 455600
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  • Item number: 455600
  • Our price: £3.59
  • Manufacturer: NRF
  • EAN number: 8718042437648
  • Condition: New
  • Reference number OEM: 5508521
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In stock
£3.59

price incl. 20% VAT

excl. delivery costs

  • Colour: yellow
  • Material: Plastic
  • Opening Pressure [bar]: 1,4
  • Weight [kg]: 0,03
  • for OE number: 90 500 007
  • Item number: 01211
  • Our price: £3.99
  • Manufacturer: FEBI BILSTEIN
  • EAN number: 4027816012115
  • Condition: New
  • Reference number OEM: 5508521
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In stock
-53%
compared to RRP £7.99

£3.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap QUINTON HAZELL 55 08 521
Article number: FC519
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  • Material: Plastic
  • Pressure [bar]: 1,4
  • Item number: FC519
  • Our price: £4.59
  • Manufacturer: QUINTON HAZELL
  • EAN number: 5050438070873
  • Condition: New
  • Reference number OEM: 5508521
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In stock
-51%
compared to RRP £9.23

£4.59

price incl. 20% VAT

excl. delivery costs

  • Colour: yellow
  • Material: Plastic
  • Opening Pressure [bar]: 1,4
  • Weight [kg]: 0,03
  • for OE number: 90 500 007
  • Item number: 99 90 1211
  • Our price: £4.99
  • Manufacturer: SWAG
  • EAN number: 4044688012111
  • Condition: New
  • Reference number OEM: 5508521
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In stock
-42%
compared to RRP £7.99

£4.99

price incl. 20% VAT

excl. delivery costs

MOTORAD T55 9705511 T55 Expansion tank cap MOTORAD 55 08 521 AUDI 360° T55
Expansion tank cap MOTORAD 55 08 521
Article number: T55
Reviews - 1
  • Colour: yellow
  • Pressure [bar]: 1,4
  • for OE number: 1304661
  • Weight [g]: 33,7
  • Packaging length [cm]: 7,5
  • Packaging width [cm]: 7,5
  • Packaging height [cm]: 8,3
  • Item number: T55
  • Our price: £4.99
  • Manufacturer: MOTORAD
  • EAN number: 4037784861261
  • Condition: New
  • Reference number OEM: 5508521
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In stock (Item(s) left: 4)
£4.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap TRISCAN 55 08 521
Article number: 8610 12
Reviews - 2
  • Pressure [Pa]: 16
  • Diameter [mm]: 61,1
  • Pressure [bar]: 1,1
  • Height [mm]: 22,2
  • Item number: 8610 12
  • Our price: £5.99
  • Manufacturer: TRISCAN
  • EAN number: 5709147075166
  • Condition: New
  • Reference number OEM: 5508521
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In stock (Item(s) left: 1)
-55%
compared to RRP £12.88

£5.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap AIC 55 08 521
Article number: 52109
Reviews - 2
  • Pressure [bar]: 1,4
  • Colour: yellow
  • Material: Plastic
  • Item number: 52109
  • Our price: £5.99
  • Manufacturer: AIC
  • EAN number: 4046283521098
  • Condition: New
  • Reference number OEM: 5508521
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In stock (Item(s) left: 1)
£5.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap GATES 55 08 521
Article number: RC235
Reviews - 2
  • Pressure [bar]: 1,4
  • Diameter [mm]: 62
  • Height [mm]: 22
  • Pressure [psi]: 20
  • Item number: RC235
  • Our price: £7.99
  • Manufacturer: GATES
  • EAN number: 5414465751141
  • Condition: New
  • Reference number OEM: 5508521
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In stock
£7.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap MAHLE 55 08 521
Article number: CRB 126 000S
Reviews - 1
  • Packaging length [cm]: 9,1
  • Packaging width [cm]: 9,10
  • Packaging height [cm]: 9,10
  • Net Weight [g]: 50
  • Item number: CRB 126 000S
  • Our price: £15.99
  • Manufacturer: MAHLE
  • EAN number: 4057635105507
  • Condition: New
  • Reference number OEM: 5508521
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In stock
-29%
compared to RRP £22.16

£15.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap S-TEC 55 08 521with gasket/seal
Article number: BL22052-SV-022
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  • Diameter [mm]: 60
  • Pressure [bar]: 1,2
  • Colour: black
  • Material: Plastic
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Fastening Type: with internal thread, single side
  • Item number: BL22052-SV-022
  • Our price: £17.49
  • Manufacturer: S-TEC
  • EAN number: 9009381039730
  • Condition: New
  • Reference number OEM: 5508521
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In stock
£17.49

price incl. 20% VAT

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  • Colour: yellow
  • Material: Plastic
  • Opening Pressure [bar]: 1,4
  • Item number: 1211141
  • Our price: £2.99
  • Manufacturer: hajus Autoteile
  • EAN number: 1211141000012
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£2.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap VAICO 55 08 521
Article number: V25-0550
Reviews - 2
  • Fitting Position: Main Expansion Tank
  • Pressure [bar]: 1,2
  • Weight [kg]: 0,073
  • Packaging height [cm]: 9
  • Supplementary Info: Original VAICO Quality
  • Packaging Depth [cm]: 14,8
  • Item number: V25-0550
  • Our price: £3.99
  • Manufacturer: VAICO
  • EAN number: 4046001546457
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£3.99
Price per item

price incl. 20% VAT

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Expansion tank cap TRICLO 55 08 521
Article number: 318240
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  • Opening pressure (21) [bar]: 1,4
  • Item number: 318240
  • Our price: £3.99
  • Manufacturer: TRICLO
  • EAN number: 2249709545710
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£3.99

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  • Weight [kg]: 0,039
  • Opening Pressure [bar]: 1,4
  • Item number: 80408
  • Our price: £3.99
  • Manufacturer: 3RG
  • EAN number: 8433819046013
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£3.99

price incl. 20% VAT

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Expansion tank cap DAYCO 55 08 521
Article number: DRC037
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  • Pressure [bar]: 1,4
  • Item number: DRC037
  • Our price: £4.59
  • Manufacturer: DAYCO
  • EAN number: 2242197819750
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£4.59

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Expansion tank cap VEMA 55 08 521
Article number: 15971
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  • Fitting Position: Front Axle
  • Height [mm]: 19
  • Width [mm]: 59
  • Weight [g]: 50
  • Pressure [bar]: 1,2
  • Item number: 15971
  • Our price: £5.99
  • Manufacturer: VEMA
  • EAN number: 2244259044316
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
-14%
compared to RRP £6.77

£5.99

price incl. 20% VAT

excl. delivery costs

Expansion tank cap MOTORAD 55 08 521D1: 63,0mm
Article number: T-55
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  • Colour: yellow
  • Pressure [bar]: 1,4
  • Diameter 1 [mm]: 63,0
  • Item number: T-55
  • Our price: £5.99
  • Manufacturer: MOTORAD
  • EAN number: 4037784861261
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£5.99

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  • Weight [kg]: 13
  • New Part
  • Packaging length [cm]: 33
  • Packaging width [cm]: 32
  • Packaging height [cm]: 29
  • Opening Pressure [bar]: 1,4
  • Material: Plastic
  • Item number: 750920N
  • Our price: £17.99
  • Manufacturer: AKS DASIS
  • EAN number: 4044455505532
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£17.99

price incl. 20% VAT

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Expansion tank cap MI.R.A. 55 08 521
Article number: 23/3640
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  • Weight [kg]: 0,033
  • Item number: 23/3640
  • Our price: £57.99
  • Manufacturer: MI.R.A.
  • EAN number: 224370182873511828735
  • Condition: New
  • Reference number OEM: 5508521
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Сurrently out of stock
£57.99

price incl. 20% VAT

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