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Expansion tank cap, Coolant expansion tank, Radiator cap 3C0121321

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 the spare parts listed below are compatible with OEM parts 3C0 121 321:

  • 3C0 121 321 (original number of AUDI)
  • 3C0 121 321 (original number of SEAT)
  • 3C0 121 321 (original number of SKODA)
  • 3C0 121 321 (original number of VW)
  • 3C0 121 321 (original number of CUPRA)
  • 3C0 121 321 (original number of PORSCHE)
  • 3C0 121 321 (original number of BENTLEY)


Expansion tank cap, Coolant expansion tank, Radiator cap OEM 3C0 121 321: Price and Alternatives

Cost € 4 - 32
OEM 3C0121321 Equivalents 3C0121321, 3C0 121 321, 3C0121321+
Carmaker AUDI, SEAT, SKODA, VW, VAG, CUPRA, PORSCHE, FIAT / LANCIA, SKODA (SVW), BENTLEY
OEM Brand 3RG, ABAKUS, Aslyx, AUTOMEGA, BGA, BIRTH
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70 items
Expansion tank cap RIDEX 3C0 121 321
Article number: 56V0010
Reviews - 12
  • Material: Plastic
  • Pressure [bar]: 1,6
  • Thread Type: External Thread
  • Item number: 56V0010
  • Our price: €5.59
  • Manufacturer: RIDEX
  • EAN number: 4059191777631
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-50%
compared to RRP €11.40

€5.59
Price per item

price incl. 23% VAT

excl. delivery costs

  • Supplementary Article / Supplementary Info Info 2: with sealing plug, with sensor
  • Weight [g]: 577
  • Item number: 397E0225
  • Our price: €15.99
  • Manufacturer: RIDEX
  • EAN number: 4065739048095
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-49%
compared to RRP €31.75

€15.99

price incl. 23% VAT

excl. delivery costs

  • Supplementary Article / Supplementary Info Info 2: with sealing plug
  • Weight [g]: 342
  • Item number: 397E0167
  • Our price: €32.49
  • Manufacturer: RIDEX
  • EAN number: 4064138359771
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-8%
compared to RRP €35.56

€32.49
Price per item

price incl. 23% VAT

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NRF 455616 455616 Expansion tank cap NRF 3C0121321 FORD 360° 455616
Expansion tank cap NRF 3C0 121 321
Article number: 455616
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  • Item number: 455616
  • Our price: €4.29
  • Manufacturer: NRF
  • EAN number: 8718042437426
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€4.29

price incl. 23% VAT

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Expansion tank cap ABAKUS 3C0 121 321
Article number: 053-027-007
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  • Pressure [bar]: 1,6
  • Colour: black
  • Assy. / disassy. by qualified personnel required!
  • Item number: 053-027-007
  • Our price: €4.99
  • Manufacturer: ABAKUS
  • EAN number: 224657220084482200844
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€4.99

price incl. 23% VAT

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Expansion tank cap NTY 3C0 121 321
Article number: CCK-VW-007
Reviews - 4
  • Fabrication Number: CCK-VW-007
  • Item number: CCK-VW-007
  • Our price: €5.59
  • Manufacturer: NTY
  • EAN number: 5902048294937
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€5.59

price incl. 23% VAT

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Expansion tank cap AUTOMEGA 3C0 121 321
Article number: 160055710
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  • Material: Plastic
  • Item number: 160055710
  • Our price: €6.29
  • Manufacturer: AUTOMEGA
  • EAN number: 2232390492450
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 3)
€6.29

price incl. 23% VAT

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Expansion tank cap ORIGINAL IMPERIUM 3C0 121 321
Article number: 43016
Reviews - 2
  • Pressure [bar]: 1,4
  • Weight [g]: 67
  • Item number: 43016
  • Our price: €6.29
  • Manufacturer: ORIGINAL IMPERIUM
  • EAN number: 8033989142104
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€6.29

price incl. 23% VAT

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TRUCKTEC AUTOMOTIVE 07.40.102 07.40.102 Expansion tank cap TRUCKTEC AUTOMOTIVE 3C0121321+ FORD
Expansion tank cap TRUCKTEC AUTOMOTIVE 3C0 121 321Opening Pressure: 1,6bar
Article number: 07.40.102
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  • for OE number: 5Q0 121 321
  • Opening Pressure [bar]: 1,6
  • Item number: 07.40.102
  • Our price: €6.29
  • Manufacturer: TRUCKTEC AUTOMOTIVE
  • EAN number: 4038081130893
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€6.29

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Expansion tank cap VIKA 3C0 121 321
Article number: 11211833101
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  • Item number: 11211833101
  • Our price: €6.99
  • Manufacturer: VIKA
  • EAN number: 224346155400391554003
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 4)
€6.99

price incl. 23% VAT

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BOGAP A4211101 8708919000 A4211101 Expansion tank cap BOGAP 3C0 121 321 VW
Expansion tank cap BOGAP 3C0 121 321
Article number: A4211101
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  • Length [mm]: 85
  • Width [mm]: 85
  • Height [mm]: 30
  • Weight [kg]: 0,07
  • Item number: A4211101
  • Our price: €6.99
  • Manufacturer: BOGAP
  • EAN number: 4251789101051
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€6.99

price incl. 23% VAT

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Expansion tank cap VIKA 3C0 121 321
Article number: 11211867801
Reviews - 3
  • Item number: 11211867801
  • Our price: €7.29
  • Manufacturer: VIKA
  • EAN number: 2243461121186
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€7.29

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  • Material: Plastic
  • Colour: black
  • Opening Pressure [bar]: 1,6
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Mounting Type: Screw Connection
  • Thread Type: External Thread
  • Item number: 113 866
  • Our price: €7.99
  • Manufacturer: TOPRAN
  • EAN number: 1093730000012
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-51%
compared to RRP €16.37

€7.99

price incl. 23% VAT

excl. delivery costs

  • Height [mm]: 29
  • Colour: black
  • Material: Plastic
  • Inner Diameter [mm]: 37,5
  • Diameter [mm]: 80
  • Opening Pressure [bar]: 1,6
  • Colour Coding: black
  • Thread Size 1: M3
  • Item number: 03341
  • Our price: €7.99
  • Manufacturer: Metalcaucho
  • EAN number: 221134115378481153784
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 5)
€7.99

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ESEN SKV 61SKV040 61SKV040 Expansion tank cap ESEN SKV 3C0121321+ RENAULT
Expansion tank cap ESEN SKV 3C0 121 321Opening Pressure: 1,6bar
Article number: 61SKV040
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  • Colour: black
  • Material: Plastic
  • Opening Pressure [bar]: 1,6
  • Height [mm]: 29
  • Weight [kg]: 0,06
  • Inner Diameter [mm]: 37,5
  • Diameter [mm]: 80
  • Thread Size 1: M3
  • Always compare old and new part (in particular OE No.)
  • Item number: 61SKV040
  • Our price: €7.99
  • Manufacturer: ESEN SKV
  • EAN number: 5903968457501
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 2)
€7.99

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MOTORAD T93 9709310 T93 Expansion tank cap MOTORAD 3C0121321 VW 360° T93
Expansion tank cap MOTORAD 3C0 121 321
Article number: T93
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  • Colour: black
  • Pressure [bar]: 1,6
  • for OE number: 2Q0121321
  • Weight [g]: 55
  • Packaging length [cm]: 7,5
  • Packaging width [cm]: 7,5
  • Packaging height [cm]: 8,3
  • Item number: T93
  • Our price: €8.59
  • Manufacturer: MOTORAD
  • EAN number: 4037784831616
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€8.59

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Expansion tank cap PREXAparts 3C0 121 321
Article number: P150402
Reviews - 1
  • Item number: P150402
  • Our price: €8.59
  • Manufacturer: PREXAparts
  • EAN number: 4255661804016
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€8.59

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Expansion tank cap CALORSTAT by Vernet 3C0 121 321
Article number: RC0162
Reviews - 2
  • Pressure [bar]: 1,6
  • Item number: RC0162
  • Our price: €8.99
  • Manufacturer: CALORSTAT by Vernet
  • EAN number: 3531650035984
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-23%
compared to RRP €11.76

€8.99

price incl. 23% VAT

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  • Colour: black
  • Material: Plastic
  • Opening Pressure [bar]: 1,6
  • Weight [kg]: 0,062
  • Item number: 28-0687
  • Our price: €9.29
  • Manufacturer: MAXGEAR
  • EAN number: 5905141956740
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€9.29

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BGA CC0102 CC0102 Expansion tank cap BGA 3C0 121 321 RENAULT
Expansion tank cap BGA 3C0 121 321Opening Pressure: 1,6bar
Article number: CC0102
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  • Opening Pressure [bar]: 1,6
  • Item number: CC0102
  • Our price: €9.99
  • Manufacturer: BGA
  • EAN number: 5038206491532
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 4)
€9.99

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Expansion tank cap Borsehung 3C0 121 321
Article number: B12203
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  • Item number: B12203
  • Our price: €10.49
  • Manufacturer: Borsehung
  • EAN number: 4251475121073
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€10.49

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Expansion tank cap DAYCO 3C0 121 321
Article number: DRC057
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  • Pressure [bar]: 1,6
  • Item number: DRC057
  • Our price: €11.49
  • Manufacturer: DAYCO
  • EAN number: 2242197819860
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 4)
€11.49

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Expansion tank cap METZGER 3C0 121 321
Article number: 2140435
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  • Pressure [bar]: 1,6
  • Material: Plastic
  • Version: IAM
  • Item number: 2140435
  • Our price: €11.49
  • Manufacturer: METZGER
  • EAN number: 4062101224248
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-42%
compared to RRP €20.15

€11.49

price incl. 23% VAT

excl. delivery costs

Expansion tank cap QUINTON HAZELL 3C0 121 321
Article number: FC543
Reviews - 1
  • Material: Plastic
  • Pressure [bar]: 1,6
  • Colour: black
  • Item number: FC543
  • Our price: €12.49
  • Manufacturer: QUINTON HAZELL
  • EAN number: 5050438433999
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€12.49

price incl. 23% VAT

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Expansion tank cap VAICO 3C0 121 321
Article number: V10-0890
Reviews - 1
  • Colour: black
  • Material: Plastic
  • Pressure [bar]: 1,6
  • Weight [kg]: 0,06
  • Packaging width [cm]: 8
  • Packaging height [cm]: 4
  • Supplementary Info: Original VAICO Quality
  • Packaging Depth [cm]: 8
  • Item number: V10-0890
  • Our price: €12.99
  • Manufacturer: VAICO
  • EAN number: 4046001545429
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-44%
compared to RRP €23.55

€12.99

price incl. 23% VAT

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  • Colour: black
  • Material: Plastic
  • Opening Pressure [bar]: 1,6
  • for OE number: 2Q0 121 321 A
  • Weight [kg]: 0,062
  • Item number: 30 10 3522
  • Our price: €13.99
  • Manufacturer: SWAG
  • EAN number: 4054228035227
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€13.99

price incl. 23% VAT

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Expansion tank cap METZGER 3C0 121 321
Article number: 2140433
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  • Pressure [bar]: 1,6
  • Material: Plastic
  • Version: OE
  • Item number: 2140433
  • Our price: €14.99
  • Manufacturer: METZGER
  • EAN number: 4062101221537
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
-25%
compared to RRP €20.15

€14.99

price incl. 23% VAT

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Expansion tank cap MEYLE 3C0 121 321
Article number: 100 121 0070
Reviews - 1
  • Pressure [bar]: 1,6
  • Item number: 100 121 0070
  • Our price: €16.49
  • Manufacturer: MEYLE
  • EAN number: 4040074257685
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 5)
€16.49

price incl. 23% VAT

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  • Supplementary Article / Supplementary Info Info 2: with sealing plug
  • Weight [g]: 502
  • Item number: 44107
  • Our price: €21.49
  • Manufacturer: ORIGINAL IMPERIUM
  • EAN number: 8033989190754
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock
€21.49

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Coolant expansion tank Borsehung 3C0 121 321with lid
Article number: B11940
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  • Supplementary Article / Supplementary Info Info 2: with lid
  • Item number: B11940
  • Our price: €25.99
  • Manufacturer: Borsehung
  • EAN number: 4251475121097
  • Condition: New
  • Reference number OEM: 3C0121321
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In stock (Item(s) left: 5)
€25.99

price incl. 23% VAT

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