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Brake master cylinder 9121237
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 91 21 237:
- 91 21 237 (original number of OPEL)
- 91 21 237 (original number of VAUXHALL)
- 91 21 237 (original number of GMC)
- 91 21 237 (original number of ISUZU)
17 items
Brake master cylinder LPR 91 21 237Piston Ø: 23,81 mm, Cast Iron, 12 X 1 (2)
Article number: 6182
Reviews - 1
- Material: Cast Iron
- Brake System: Bosch
- Thread Size: 12 X 1 (2)
- Piston Diameter [mm]: 23,81
- Item number: 6182
- Our price: 63,14 €
- Manufacturer: LPR
- EAN number: 8032928155588
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder A.B.S. 91 21 237Number of connectors: 2, Aluminium, 2x M12X1.0
Article number: 51897
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- Number of connectors: 2
- Material: Aluminium
- Brake System: BOSCH
- Weight [kg]: 0,6
- Thread Size 1: 2x M12X1.0
- Number of mounting bores: 2
- Length [mm]: 143, 39
- Piston Diameter 1 [mm]: 23,8
- Item number: 51897
- Our price: 76,10 €
- Manufacturer: A.B.S.
- EAN number: 8717109545609
- Condition: New
- Reference number OEM: 9121237
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In stock (Item(s) left: 1)
-62%
compared to
RRP 200,87 €
76,10 €
price incl. 19% VAT
excl. delivery costs
Brake master cylinder VALEO 91 21 237Number of connectors: 2, Bore Ø: 9 mm, Piston Ø: 23,8 mm, Aluminium, M12x1
Article number: 400851
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- Number of connectors: 2
- Material: Aluminium
- Bore Diameter [mm]: 9
- Brake System: BOSCH
- Thread Size: M12x1
- Weight [kg]: 0,74
- Number of mounting bores: 2
- Fill Medium: Brake Fluid
- Distance of mounting bores [mm]: 60
- Overall Length [mm]: 222
- Piston Diameter [mm]: 23,8
- Item number: 400851
- Our price: 78,81 €
- Manufacturer: VALEO
- EAN number: 3276424008510
- Condition: New
- Reference number OEM: 9121237
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In stock (Item(s) left: 1)
-58%
compared to
RRP 188,65 €
78,81 €
price incl. 19% VAT
excl. delivery costs
Brake master cylinder HELLA 91 21 237Aluminium, M12 x 1 (x2)
Article number: 8AM 355 503-051
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- Material: Aluminium
- Brake System: Bosch
- Bore Diameter 1 [mm]: 24
- Bore Diameter 2 [mm]: 25
- Connecting thread: M12 x 1 (x2)
- Assy. / disassy. by qualified personnel required!
- Item number: 8AM 355 503-051
- Our price: 87,51 €
- Manufacturer: HELLA
- EAN number: 4082300440126
- Condition: New
- Reference number OEM: 9121237
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In stock (Item(s) left: 1)
-68%
compared to
RRP 279,41 €
87,51 €
price incl. 19% VAT
excl. delivery costs
Brake master cylinder METELLI 91 21 237D1: 23,81 mm, Aluminium
Article number: 05-0572
Reviews - 1
- Diameter 1 [mm]: 23,81
- Material: Aluminium
- Brake System: BOSCH
- Item number: 05-0572
- Our price: 95,79 €
- Manufacturer: METELLI
- EAN number: 8032747095393
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder ATE 91 21 237Number of connectors: 2, Ø: 23,8 mm, M12x1
Article number: 24.2123-1759.3
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- Diameter [mm]: 23,8
- Number of connectors: 2
- Brake System: Bosch
- Thread Size: M12x1
- MAPP code available
- Length [mm]: 39, 143,2
- Item number: 24.2123-1759.3
- Our price: 116,98 €
- Manufacturer: ATE
- EAN number: 4006633296748
- Condition: New
- Reference number OEM: 9121237
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In stock (Item(s) left: 2)
-57%
compared to
RRP 273,94 €
116,98 €
price incl. 19% VAT
excl. delivery costs

Brake master cylinder CIFAM 91 21 237D1: 23,81 mm, Aluminium
Article number: 202-572
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- Diameter 1 [mm]: 23,81
- Material: Aluminium
- Brake System: BOSCH
- Item number: 202-572
- Our price: 120,01 €
- Manufacturer: CIFAM
- EAN number: 22103243239371323937
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder TRW 91 21 237Number of connectors: 2, Piston Ø: 23,8 mm, M12x1
Article number: PMK928
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- Number of connectors: 2
- Thread Size: M12x1
- Manufacturer Restriction: BOSCH
- Piston Diameter [mm]: 23,8
- Item number: PMK928
- Our price: 185,49 €
- Manufacturer: TRW
- EAN number: 3322938245863
- Condition: New
- Reference number OEM: 9121237
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In stock (Item(s) left: 2)
-29%
compared to
RRP 261,24 €
185,49 €
price incl. 19% VAT
Brake master cylinder SAMKO 91 21 237Piston Ø: 23,81 mm, 12 X 1 (2)
Article number: P30718
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- Brake System: Bosch
- Thread Size: 12 X 1 (2)
- Piston Diameter [mm]: 23,81
- Item number: P30718
- Our price: 59,13 €
- Manufacturer: SAMKO
- EAN number: 803292815558
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder CAR 91 21 237NUOVA TECNODELTA, Cast Iron, 2xM12x1, for vehicles with ABS
Article number: 5670
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- Supplementary Info: NUOVA TECNODELTA
- Material: Cast Iron
- Braking / Drive Dynamics: for vehicles with ABS
- Brake System: BOSCH
- Thread Size: 2xM12x1
- for article number: 5670
- Cylinder Bore [mm]: 23,8
- Item number: 5670
- Our price: 74,88 €
- Manufacturer: CAR
- EAN number: 2224399431060
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder BREMBO 91 21 237Bore Ø: 23,81 mm, Cast Iron, 12 X 1 (2)
Article number: M 56 036
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- Material: Cast Iron
- Bore Diameter [mm]: 23,81
- Brake System: Bosch
- Thread Size: 12 X 1 (2)
- Item number: M 56 036
- Our price: 80,12 €
- Manufacturer: BREMBO
- EAN number: 8432509637517
- Condition: New
- Reference number OEM: 9121237
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Сurrently out of stock
-69%
compared to
RRP 263,61 €
80,12 €
price incl. 19% VAT
excl. delivery costs
Brake master cylinder KAWE 91 21 237Piston Ø: 23,8 mm, Cast Iron, 12 X 1 (2)
Article number: B6182
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- Material: Cast Iron
- Brake System: Bosch
- Thread Size: 12 X 1 (2)
- Piston Diameter [mm]: 23,8
- Item number: B6182
- Our price: 101,04 €
- Manufacturer: KAWE
- EAN number: 8032928155588
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder FAST 91 21 237Number of connectors: 2, Piston Ø: 24 mm, M12x1
Article number: FT33102
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- Number of connectors: 2
- Thread Size: M12x1
- Piston Diameter [mm]: 24
- Item number: FT33102
- Our price: 114,98 €
- Manufacturer: FAST
- EAN number: 5904157899881
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder TRISCAN 91 21 237D1: 238 mm
Article number: 8130 24163
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- Diameter 1 [mm]: 238
- Item number: 8130 24163
- Our price: 128,60 €
- Manufacturer: TRISCAN
- EAN number: 5710476216441
- Condition: New
- Reference number OEM: 9121237
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Free delivery on this item
Сurrently out of stock
-48%
compared to
RRP 250,14 €
128,60 €
price incl. 19% VAT

Brake master cylinder TEXTAR 91 21 237Number of connectors: 2, Bore Ø: 9 mm, Piston Ø: 23,8 mm, Aluminium, M12x1
Article number: 33042700
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- Number of connectors: 2
- Material: Aluminium
- Bore Diameter [mm]: 9
- Brake System: Bosch
- Thread Size: M12x1
- Weight [kg]: 0,73
- Number of mounting bores: 2
- Fill Medium: Brake Fluid
- Stroke [mm]: 44
- Distance of mounting bores [mm]: 60
- Overall Length [mm]: 222
- Piston Diameter [mm]: 23,8
- Item number: 33042700
- Our price: 158,75 €
- Manufacturer: TEXTAR
- EAN number: 4019722343209
- Condition: New
- Reference number OEM: 9121237
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Free delivery on this item
Сurrently out of stock
-24%
compared to
RRP 211,65 €
158,75 €
price incl. 19% VAT
Brake master cylinder FTE 91 21 237Number of connectors: 2, Bore Ø: 9 mm, Piston Ø: 23,8 mm, Aluminium, M12x1
Article number: 9220251
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- Number of connectors: 2
- Material: Aluminium
- Bore Diameter [mm]: 9
- Brake System: BOSCH
- Thread Size: M12x1
- Weight [kg]: 0,73
- Number of mounting bores: 2
- Fill Medium: Brake Fluid
- Stroke [mm]: 44
- Distance of mounting bores [mm]: 60
- Overall Length [mm]: 222
- Piston Diameter [mm]: 23,8
- Item number: 9220251
- Our price: 160,82 €
- Manufacturer: FTE
- EAN number: 3276429273340
- Condition: New
- Reference number OEM: 9121237
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Brake master cylinder FTE 91 21 237Number of connectors: 2, Bore Ø: 9 mm, Piston Ø: 23,8 mm, Aluminium, M12x1
Article number: H239039.7.1
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- Number of connectors: 2
- Material: Aluminium
- Bore Diameter [mm]: 9
- Brake System: BOSCH
- Thread Size: M12x1
- Number of mounting bores: 2
- Fill Medium: Brake Fluid
- Stroke [mm]: 44
- Distance of mounting bores [mm]: 60
- Overall Length [mm]: 222
- Piston Diameter [mm]: 23,8
- Surface: Blank
- Item number: H239039.7.1
- Our price: 307,92 €
- Manufacturer: FTE
- EAN number: 4028569450322
- Condition: New
- Reference number OEM: 9121237
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