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Expansion tank cap, Coolant expansion tank, Radiator cap 171121321B

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 171 121 321 B:

  • 171 121 321 B (original number of AUDI)
  • 171 121 321 B (original number of PORSCHE)
  • 171 121 321 B (original number of SEAT)
  • 171 121 321 B (original number of SKODA)
  • 171 121 321 B (original number of VW)
  • 171 121 321 B (original number of CUPRA)


Expansion tank cap, Coolant expansion tank, Radiator cap OEM 171 121 321 B: Price and Alternatives

Cost €1.99 - €29.00
OEM 171121321B Equivalents 171121321B, 171 121 321 B, 171 121 321B
Carmaker VAG, AUDI, PORSCHE, SEAT, SKODA, VW, CUPRA
OEM Brand 3RG, ABAKUS, AIC, AKS DASIS, Aslyx, AUTOMEGA
Part brand
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50 items
Expansion tank cap RIDEX 171 121 321 B
Article number: 56V0069
Reviews - 3
  • Colour: black
  • Material: Plastic
  • Weight [kg]: 0,2
  • Item number: 56V0069
  • Our price: €19.49
  • Manufacturer: RIDEX
  • EAN number: 4064138537582
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
-45%
compared to RRP €35.56

€19.49
Price per item

price incl. 23% VAT

excl. delivery costs

  • Material: Plastic
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Colour: blue
  • Mounting Type: Screw Connection
  • Thread Type: Internal Thread
  • Item number: 103 643
  • Our price: €1.99
  • Manufacturer: TOPRAN
  • EAN number: 1213230000019
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
-70%
compared to RRP €6.86

€1.99

price incl. 23% VAT

excl. delivery costs

Expansion tank cap AUTOMEGA 171 121 321 B
Article number: 160033710
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  • Inner Diameter [mm]: 35
  • Item number: 160033710
  • Our price: €1.99
  • Manufacturer: AUTOMEGA
  • EAN number: 2232390489510
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 4)
€1.99

price incl. 23% VAT

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Expansion tank cap KRAFT 171 121 321 B
Article number: 1780306
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  • Production Number: K1780306
  • Item number: 1780306
  • Our price: €1.99
  • Manufacturer: KRAFT
  • EAN number: 5901159084284
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€1.99

price incl. 23% VAT

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Expansion tank cap JP GROUP 171 121 321 B
Article number: 1114800600
Reviews - 1
  • Material: Plastic
  • Colour: blue
  • Item number: 1114800600
  • Our price: €2.29
  • Manufacturer: JP GROUP
  • EAN number: 5710412147969
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
-26%
compared to RRP €3.13

€2.29

price incl. 23% VAT

excl. delivery costs

Expansion tank cap Metalcaucho 171 121 321 B
Article number: 03574
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  • Height: 24
  • Weight [kg]: 0,047
  • Pressure [bar]: 1,2
  • Colour: blue
  • Material: Plastic
  • Inner Diameter [mm]: 33
  • Diameter: 58
  • Weight [g]: 47
  • Thread Size 1: M3
  • Item number: 03574
  • Our price: €2.29
  • Manufacturer: Metalcaucho
  • EAN number: 2246648610241
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€2.29

price incl. 23% VAT

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Expansion tank cap ABAKUS 171 121 321 B
Article number: 053-027-001
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  • Pressure [bar]: 1,2
  • Colour: blue
  • Assy. / disassy. by qualified personnel required!
  • Item number: 053-027-001
  • Our price: €2.29
  • Manufacturer: ABAKUS
  • EAN number: 224657132990911329909
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€2.29

price incl. 23% VAT

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  • Colour: blue
  • Material: Plastic
  • Opening Pressure [bar]: 1,2
  • Weight [kg]: 0,036
  • Item number: 28-0126
  • Our price: €2.59
  • Manufacturer: MAXGEAR
  • EAN number: 5907558566345
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€2.59

price incl. 23% VAT

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Expansion tank cap VIKA 171 121 321 BOpening Pressure: 1,2bar
Article number: 11210089801
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  • Weight [kg]: 0,036
  • Required quantity: 1
  • Colour: blue
  • Material: Plastic
  • Opening Pressure [bar]: 1,2
  • Item number: 11210089801
  • Our price: €2.59
  • Manufacturer: VIKA
  • EAN number: 224346131543731315437
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 4)
€2.59

price incl. 23% VAT

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Expansion tank cap VIKA 171 121 321 BOpening Pressure: 1,2bar
Article number: 11210089601
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  • Weight [kg]: 0,036
  • Required quantity: 1
  • Colour: black
  • Material: Plastic
  • Opening Pressure [bar]: 1,2
  • Item number: 11210089601
  • Our price: €2.99
  • Manufacturer: VIKA
  • EAN number: 224346131543721315437
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 2)
€2.99

price incl. 23% VAT

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Expansion tank cap VIKA 171 121 321 BOpening Pressure: 1,2bar
Article number: 81210418301
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  • Weight [kg]: 0,036
  • Required quantity: 1
  • Colour: yellow
  • Material: Plastic
  • Opening Pressure [bar]: 1,2
  • Item number: 81210418301
  • Our price: €3.59
  • Manufacturer: VIKA
  • EAN number: 2243468121041
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 2)
€3.59

price incl. 23% VAT

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  • Material: Plastic
  • Opening Pressure [bar]: 1,1
  • for OE number: 443 121 321
  • Item number: 02269
  • Our price: €3.99
  • Manufacturer: FEBI BILSTEIN
  • EAN number: 2010120597510
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
-58%
compared to RRP €9.59

€3.99

price incl. 23% VAT

excl. delivery costs

Expansion tank cap VAICO 171 121 321 B
Article number: V10-0018
Reviews - 2
  • Fitting Position: Main Expansion Tank
  • Colour: blue
  • Weight [kg]: 0,089
  • Packaging height [cm]: 9
  • Supplementary Info: Original VAICO Quality
  • Packaging Depth [cm]: 14,8
  • Item number: V10-0018
  • Our price: €3.99
  • Manufacturer: VAICO
  • EAN number: 4046001138416
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€3.99

price incl. 23% VAT

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  • for OE number: 443 121 321
  • Colour: blue
  • Opening Pressure [bar]: 1,2
  • Item number: 07.40.034
  • Our price: €3.99
  • Manufacturer: TRUCKTEC AUTOMOTIVE
  • EAN number: 4038081275464
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€3.99

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  • Weight [kg]: 0,043
  • Opening Pressure [bar]: 1,2
  • Item number: 80753
  • Our price: €3.99
  • Manufacturer: 3RG
  • EAN number: 8433819048055
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 1)
€3.99

price incl. 23% VAT

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Expansion tank cap ESEN SKV 171 121 321 B
Article number: 61SKV014
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  • Pressure [bar]: 1,3
  • Material: Plastic
  • Weight [kg]: 0,04
  • Always compare old and new part (in particular OE No.)
  • Item number: 61SKV014
  • Our price: €3.99
  • Manufacturer: ESEN SKV
  • EAN number: 590396844243
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 3)
€3.99

price incl. 23% VAT

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  • Thread Type: with internal thread
  • Material: Plastic
  • Opening Pressure [bar]: 1,2
  • Item number: 2140050
  • Our price: €4.29
  • Manufacturer: METZGER
  • EAN number: 4250032520281
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€4.29

price incl. 23% VAT

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MEYLE 100 238 0007
MMX1970 1002380007 Expansion tank cap MEYLE 171 121 321B AUDI
Expansion tank cap MEYLE 171 121 321 B
Article number: 100 238 0007
Reviews - 1
  • Pressure [bar]: 1,3
  • Colour: blue
  • Item number: 100 238 0007
  • Our price: €4.29
  • Manufacturer: MEYLE
  • EAN number: 4040074378199
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€4.29

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Expansion tank cap SWAG 171 121 321 BOpening Pressure: 1,1bar
Article number: 99 90 2269
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  • Material: Plastic
  • Opening Pressure [bar]: 1,1
  • for OE number: 443 121 321
  • Item number: 99 90 2269
  • Our price: €4.59
  • Manufacturer: SWAG
  • EAN number: 4044688022691
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 6)
-52%
compared to RRP €9.59

€4.59

price incl. 23% VAT

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Expansion tank cap ORIGINAL IMPERIUM 171 121 321 B
Article number: 29646
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  • for OE number: 171121321D
  • Required quantity: 1
  • Pressure [bar]: 1,2
  • Material: Plastic
  • Weight [g]: 57
  • Quantity Unit: Piece
  • Item number: 29646
  • Our price: €4.59
  • Manufacturer: ORIGINAL IMPERIUM
  • EAN number: 8033989100104
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 4)
€4.59

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Expansion tank cap STC 171 121 321 B
Article number: T403574
Reviews - 1
  • Height: 24
  • Weight [kg]: 0,047
  • Pressure [bar]: 1,2
  • Colour: blue
  • Material: Plastic
  • Inner Diameter [mm]: 33
  • Diameter: 58
  • Weight [g]: 47
  • Thread Size 1: M3
  • Item number: T403574
  • Our price: €4.59
  • Manufacturer: STC
  • EAN number: 8435113837632
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€4.59

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Expansion tank cap PREXAparts 171 121 321 B
Article number: P131015
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  • Weight [kg]: 0,036
  • Item number: P131015
  • Our price: €4.59
  • Manufacturer: PREXAparts
  • EAN number: 4251162229136
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€4.59

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  • New Part
  • Opening Pressure [bar]: 1,5
  • Material: Plastic
  • Item number: 751651N
  • Our price: €5.59
  • Manufacturer: AKS DASIS
  • EAN number: 4044455505297
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
-9%
compared to RRP €6.15

€5.59

price incl. 23% VAT

excl. delivery costs

Expansion tank cap BGA 171 121 321 B
Article number: CC3036
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  • Pressure [bar]: 1,3
  • Material: Plastic
  • Item number: CC3036
  • Our price: €5.99
  • Manufacturer: BGA
  • EAN number: 221091110886541108865
  • Condition: New
  • Reference number OEM: 171121321B
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In stock (Item(s) left: 2)
€5.99

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Expansion tank cap QUINTON HAZELL 171 121 321 B
Article number: FC502
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  • Material: Plastic
  • Pressure [bar]: 1,3
  • Item number: FC502
  • Our price: €9.99
  • Manufacturer: QUINTON HAZELL
  • EAN number: 5016593325630
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
-55%
compared to RRP €22.26

€9.99

price incl. 23% VAT

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MOTORAD T25
9702512 T25 Expansion tank cap MOTORAD 171 121 321 B BMW
360° T25
Expansion tank cap MOTORAD 171 121 321 B
Article number: T25
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  • Colour: black
  • Mounting Type: Screw Connection
  • Pressure [bar]: 1,1
  • Weight [g]: 34,2
  • Packaging length [cm]: 7,5
  • Packaging width [cm]: 7,5
  • Packaging height [cm]: 8,3
  • Item number: T25
  • Our price: €11.99
  • Manufacturer: MOTORAD
  • EAN number: 4037784800843
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€11.99

price incl. 23% VAT

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Product version: New
  • Colour: black
  • Material: Plastic
  • Opening Pressure [bar]: 1,2
  • Weight [kg]: 0,2
  • Item number: 37520
  • Our price: €20.49
  • Manufacturer: FEBI BILSTEIN
  • EAN number: 4027816375203
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€20.49

price incl. 23% VAT

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NTY CCK-VW-008
Free shipping
CCK-VW-008 Expansion tank cap NTY 171121321B AUDI
Expansion tank cap NTY 171 121 321 B
Article number: CCK-VW-008
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  • Pressure [bar]: 1,2
  • Colour: blue
  • Fabrication Number: CCK-VW-008
  • Item number: CCK-VW-008
  • Our price: €20.99
  • Manufacturer: NTY
  • EAN number: 5902048412751
  • Condition: New
  • Reference number OEM: 171121321B
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Free delivery on this item
In stock (Item(s) left: 1)
€20.99

price incl. 23% VAT

free delivery

Expansion tank cap SWAG 171 121 321 BOpening Pressure: 1,2bar
Article number: 38 93 7520
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  • Colour: black
  • Material: Plastic
  • Opening Pressure [bar]: 1,2
  • Weight [kg]: 0,2
  • Item number: 38 93 7520
  • Our price: €29.49
  • Manufacturer: SWAG
  • EAN number: 4044688375209
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€29.49

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Radiator cap AIC 171 121 321 B1,2bar
Article number: 51171
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  • Pressure [bar]: 1,2
  • Colour: blue
  • Material: Plastic
  • Item number: 51171
  • Our price: €4.59
  • Manufacturer: AIC
  • EAN number: 4046283511716
  • Condition: New
  • Reference number OEM: 171121321B
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In stock
€4.59

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