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Opel Commodore B alternator – find the right fit for your vehicle

Top-quality alternator Opel Commodore B available at low prices
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OPEL Commodore B Saloon – find the right Alternator for your vehicle

Genuine Opel Commodore B generator upgrade — enjoy exclusive savings and deals

Most in-demand Alternator for OPEL Commodore B Saloon

Top-selling parts in the Alternator section for OPEL . Select a high-quality alternator your OPEL from our trusted range.

-49%
RIDEX 4G0085 genuine Opel Commodore B alternator cost
Reviews - 4
Parts Details
  • Alternator Charging Current [A]: 100
  • Voltage [V]: 12
  • Pulleys: with V-ribbed belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 49,1
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: 3-point attachment
  • Clamp: B+ (M8), D+(M5)
  • Bore Diameter 1 [mm]: 10
  • Number of mounting bores: 3
  • Number of threaded holes: 1
  • Thread Size: M8
  • Distance from belt pulley to alternator [mm]: 60
  • RIDEX: Alternator
  • Item number: 4G0085
  • Our price: 83,99 €
  • Condition: New
Details
RIDEX 4G0085 Alternator 12V, 100A, B+ (M8), D+(M5), excl. vacuum pump, Ø 49,1 mm
Article number: 4G0085
compared to RRP 166,40 €

83,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-50%
RIDEX 4G0030 genuine Opel Commodore B alternator cost
Reviews - 25
Parts Details
  • Alternator Charging Current [A]: 90
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 54
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Direct fastening
  • Clamp: M8 B+ M5 D+
  • Bore Diameter 1 [mm]: 9
  • Number of mounting bores: 3
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 41,5
  • RIDEX: Alternator
  • Item number: 4G0030
  • Our price: 92,99 €
  • Condition: New
Details
RIDEX 4G0030 Alternator 14V, 90A, M8 B+ M5 D+, excl. vacuum pump, Ø 54 mm
Article number: 4G0030
compared to RRP 187,10 €

92,99 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-35%
RIDEX 4G0008 genuine Opel Commodore B alternator cost
Reviews - 83
Parts Details
  • Alternator Charging Current [A]: 90
  • Voltage [V]: 12
  • Pulleys: with belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 56
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Connector / Clamp: B+ / L / DFM
  • Fastening Type: Double Pivot Lever
  • Clamp: B1+(M8),DFM,L
  • Bore Diameter 1 [mm]: 8,5
  • Number of mounting bores: 4
  • Number of threaded holes: 2
  • Distance from belt pulley to alternator [mm]: 39,6
  • RIDEX: Alternator
  • Item number: 4G0008
  • Our price: 93,49 €
  • Condition: New
Details
RIDEX 4G0008 Alternator 12V, 90A, B1+(M8),DFM,L, excl. vacuum pump, Ø 56 mm
Article number: 4G0008
compared to RRP 146,00 €

93,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-40%
RIDEX 4G0073 genuine Opel Commodore B alternator cost
Reviews - 66
Parts Details
  • Alternator Charging Current [A]: 90
  • Voltage [V]: 14
  • Pulleys: with V-ribbed belt pulley, with belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: M8 B+, DFM, L
  • Bore Diameter 1 [mm]: 8,5
  • Number of mounting bores: 4, 2
  • Number of threaded holes: 2
  • Thread Size: M8
  • Distance from belt pulley to alternator [mm]: 40
  • Assy. / disassy. by qualified personnel required!
  • RIDEX: Alternator
  • Item number: 4G0073
  • Our price: 105,99 €
  • Condition: New
Details
RIDEX 4G0073 Alternator 14V, 90A, M8 B+, DFM, L, excl. vacuum pump, Ø 50 mm
Article number: 4G0073
compared to RRP 179,60 €

105,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-52%
RIDEX 4G0124 1974 Opel Commodore B alternator price
Reviews - 20
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 14
  • Pulleys: with multi-belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50,3
  • Number of grooves: 7
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Clamp: B2+(M8),DFM,L
  • Bore Diameter 1 [mm]: 8
  • Number of mounting bores: 4
  • Number of threaded holes: 2
  • Distance from belt pulley to alternator [mm]: 33, 32,5
  • RIDEX: Alternator
  • Item number: 4G0124
  • Our price: 119,99 €
  • Condition: New
Details
RIDEX 4G0124 Alternator 14V, 150A, B2+(M8),DFM,L, excl. vacuum pump, Ø 50,3 mm
Article number: 4G0124
compared to RRP 254,10 €

119,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-55%
RIDEX 4G0004 1973 Opel Commodore B alternator price
Reviews - 43
Parts Details
  • Alternator Charging Current [A]: 140
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 56,2
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: B+ (M8)
  • Bore Diameter 1 [mm]: 8,5
  • Number of mounting bores: 4
  • Number of threaded holes: 2
  • Distance from belt pulley to alternator [mm]: 39,6
  • RIDEX: Alternator
  • Item number: 4G0004
  • Our price: 121,99 €
  • Condition: New
Details
RIDEX 4G0004 Alternator 12V, 140A, B+ (M8), excl. vacuum pump, Ø 56,2 mm
Article number: 4G0004
compared to RRP 276,30 €

121,99 €
Price per item
price incl. 21% VAT, free delivery

Sold by AUTODOC

-43%
RIDEX 4G0040 1972 Opel Commodore B alternator price
Reviews - 16
Parts Details
  • Alternator Charging Current [A]: 120
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 62
  • Number of grooves: 6
  • Supplementary Article / Supplementary Info: with integrated regulator
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: 3-point attachment
  • Clamp: M8 B+ M5 D+
  • Bore Diameter 1 [mm]: 12
  • Number of mounting bores: 3
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 27,5
  • RIDEX: Alternator
  • Item number: 4G0040
  • Our price: 128,49 €
  • Condition: New
Details
RIDEX 4G0040 Alternator 14V, 120A, M8 B+ M5 D+, excl. vacuum pump, Ø 62 mm, with integrated regulator
Article number: 4G0040
compared to RRP 227,40 €

128,49 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

-49%
RIDEX 4G0101 1978 Opel Commodore B alternator price
Reviews - 12
Parts Details
  • Alternator Charging Current [A]: 110
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 60
  • Number of ribs: 6
  • Number of grooves: 6
  • Plug Type ID: B+(M8),DFM,L
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: incl. vacuum pump
  • Fastening Type: 3-point attachment
  • Clamp: M8 B+
  • Bore Diameter 1 [mm]: 10
  • Number of mounting bores: 3
  • Connector Shape: angular
  • Distance from belt pulley to alternator [mm]: 35
  • Quantity Unit: Piece
  • RIDEX: Alternator
  • Item number: 4G0101
  • Our price: 135,99 €
  • Condition: New
Details
RIDEX 4G0101 Alternator 12V, 110A, M8 B+, B+(M8),DFM,L, incl. vacuum pump, Ø 60 mm
Article number: 4G0101
compared to RRP 267,80 €

135,99 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

-49%
RIDEX 4G0287 Opel Commodore B generator
Reviews - 28
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 54
  • Number of ribs: 6
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: COM / LIN2, M8 B+
  • Bore Diameter 1 [mm]: 10
  • Number of threaded holes: 2
  • Distance from belt pulley to alternator [mm]: 42,5
  • RIDEX: Alternator
  • Item number: 4G0287
  • Our price: 148,49 €
  • Condition: New
Details
RIDEX 4G0287 Alternator 14V, 150A, COM/LIN2, M8 B+, excl. vacuum pump, Ø 54 mm
Article number: 4G0287
compared to RRP 296,90 €

148,49 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

-68%
VALEO 436148 Opel Commodore B alternators
Reviews - 1
Parts Details
  • Alternator Charging Current [A]: 45
  • Voltage [V]: 14
  • Product line: REMANUFACTURED PREMIUM
  • Pulleys: with belt pulley, with V-ribbed belt pulley
  • Belt Pulley Ø [mm]: 65
  • Number of ribs: 1
  • Exchange Part
  • Position / Degree: L 15
  • Rotation Direction: Clockwise rotation
  • Connector / Clamp: without connection for speed sensor
  • Fastening Type: Double Pivot Lever
  • Weight [kg]: 5,2
  • Distance of mounting bores [mm]: 56
  • VALEO: Alternator
  • Item number: 436148
  • Our price: 90,49 €
  • Condition: Remanufactured
Details
VALEO 2541341 Alternator 14V, 45A, L 15, Ø 65 mm
Article number: 436148
compared to RRP 290,00 €

90,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-55%
BOSCH 0 986 041 330 Opel Commodore B alternator
Parts Details
  • Alternator Charging Current [A]: 100
  • Voltage [V]: 14
  • Pulleys: with multi-belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Exchange Part
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Length [mm]: 181
  • Distance from belt pulley to alternator [mm]: 51
  • BOSCH: Alternator
  • Item number: 0 986 041 330
  • Our price: 135,49 €
  • Condition: Remanufactured
Details
BOSCH 4133 Alternator 14V, 100A, excl. vacuum pump, Ø 50 mm
Article number: 0 986 041 330
compared to RRP 307,15 €

135,49 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

VALEO 439965 Opel Commodore B alternator
Reviews - 3
Parts Details
  • Alternator Charging Current [A]: 180
  • Voltage [V]: 14
  • Pulleys: with belt pulley, with V-ribbed belt pulley
  • Supplementary Info: NEW STOP&START ORIGINAL PART
  • Belt Pulley Ø [mm]: 53
  • Number of ribs: 6
  • Vehicle Equipment: for vehicles with start-stop function
  • Rotation Direction: Clockwise rotation
  • Connector / Clamp: without connection for speed sensor
  • Fastening Type: Four-point attachment
  • Weight [kg]: 9,24
  • New part without deposit
  • VALEO: Alternator
  • Item number: 439965
  • Our price: 758,00 €
  • Condition: New
Details
VALEO 439965 Alternator 14V, 180A, Ø 53 mm, NEW STOP&START ORIGINAL PART
Article number: 439965
758,00 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

-48%
VALEO 440034 1973 Opel Commodore B generator prices
Reviews - 5
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 14
  • Product line: REMANUFACTURED PREMIUM
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 7
  • Exchange Part
  • Position / Degree: R 90
  • Rotation Direction: Clockwise rotation
  • Fastening Type: Four-point attachment
  • Clamp: B+
  • Weight [kg]: 7,06
  • VALEO: Alternator
  • Item number: 440034
  • Our price: 196,49 €
  • Condition: Remanufactured
Details
VALEO TG15C058 Alternator 14V, 150A, B+, R 90, Ø 50 mm
Article number: 440034
compared to RRP 379,94 €

196,49 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

LUCAS LRA03583 1972 Opel Commodore B alternators prices
Reviews - 8
Parts Details
  • Alternator Charging Current [A]: 140
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 54
  • Number of ribs: 6
  • Plug Type ID: 0248
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8 B+, L-DFM
  • Bore Diameter 1 [mm]: 11
  • Net weight [kg]: 6,2
  • Length 4 [mm]: 60,0
  • LUCAS: Alternator
  • Item number: LRA03583
  • Our price: 95,99 €
  • Condition: Remanufactured
Details
LUCAS LRA03583 Alternator 14V, 140A, M8 B+, L-DFM, 0248, Ø 54 mm
Article number: LRA03583
95,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-64%
VALEO 436150 1978 Opel Commodore B alternator prices
Parts Details
  • Alternator Charging Current [A]: 55
  • Voltage [V]: 14
  • Product line: REMANUFACTURED PREMIUM
  • Pulleys: with V-ribbed belt pulley
  • Belt Pulley Ø [mm]: 65
  • Number of ribs: 1
  • Exchange Part
  • Position / Degree: L / R 0
  • Rotation Direction: Clockwise rotation
  • Fastening Type: Double Pivot Lever
  • Clamp: B+ / D+ / D-
  • Weight [kg]: 4,69
  • VALEO: Alternator
  • Item number: 436150
  • Our price: 100,99 €
  • Condition: Remanufactured
Details
VALEO 2625641 Alternator 14V, 55A, B+ / D+ / D-, L/R 0, Ø 65 mm
Article number: 436150
compared to RRP 287,71 €

100,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-49%
BOSCH 0 986 044 210 1977 Opel Commodore B alternator prices
Reviews - 1
Parts Details
  • Alternator Charging Current [A]: 70
  • Voltage [V]: 14
  • Pulleys: with multi-belt pulley
  • Belt Pulley Ø [mm]: 54
  • Number of grooves: 5
  • Exchange Part
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Clamp: D+(M5), B2+(M8)
  • Length [mm]: 160
  • Distance from belt pulley to alternator [mm]: 54,6
  • BOSCH: Alternator
  • Item number: 0 986 044 210
  • Our price: 138,99 €
  • Condition: Remanufactured
Details
BOSCH 4421 Alternator 14V, 70A, D+(M5), B2+(M8), excl. vacuum pump, Ø 54 mm
Article number: 0 986 044 210
compared to RRP 276,86 €

138,99 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

LUCAS LRA03125 1976 OPEL Commodore B Saloon alternators prices
Reviews - 2
Parts Details
  • Alternator Charging Current [A]: 120
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 54
  • Number of ribs: 6
  • Plug Type ID: 0165, L-DFM (Plug 165)
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8 B+, L-DFM
  • Bore Diameter 1 [mm]: 12
  • Net weight [kg]: 6,2
  • LUCAS: Alternator
  • Item number: LRA03125
  • Our price: 108,49 €
  • Condition: Remanufactured
Details
LUCAS LRA03125 Alternator 12V, 120A, M8 B+, L-DFM, 0165, L-DFM (Plug 165), Ø 54 mm
Article number: LRA03125
108,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-58%
BOSCH 0 986 039 250 1975 Opel Commodore B alternator prices
Reviews - 2
Parts Details
  • Alternator Charging Current [A]: 120
  • Voltage [V]: 14
  • Pulleys: with multi-belt pulley
  • Belt Pulley Ø [mm]: 56
  • Number of grooves: 6
  • Exchange Part
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Clamp: B+(M8),D(M5)
  • Length [mm]: 160
  • Distance from belt pulley to alternator [mm]: 51
  • BOSCH: Alternator
  • Item number: 0 986 039 250
  • Our price: 133,99 €
  • Condition: Remanufactured
Details
BOSCH 3925 Alternator 14V, 120A, B+(M8),D(M5), excl. vacuum pump, Ø 56 mm
Article number: 0 986 039 250
compared to RRP 325,18 €

133,99 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

-57%
BOSCH 0 986 042 191 1974 OPEL COMMODORE B generator prices
Reviews - 2
Parts Details
  • Alternator Charging Current [A]: 75
  • Voltage [V]: 14
  • Pulleys: with multi-belt pulley
  • Belt Pulley Ø [mm]: 55
  • Number of grooves: 6
  • Plug Type ID: PL324
  • Exchange Part
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Clamp: L, B+(M8)
  • Length [mm]: 176
  • Distance from belt pulley to alternator [mm]: 46,5
  • BOSCH: Alternator
  • Item number: 0 986 042 191
  • Our price: 138,49 €
  • Condition: Remanufactured
Details
BOSCH 4219 Alternator 14V, 75A, L, B+(M8), PL324, excl. vacuum pump, Ø 55 mm
Article number: 0 986 042 191
compared to RRP 322,48 €

138,49 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

-60%
VALEO 439864 1973 OPEL Commodore B Saloon alternators prices
Reviews - 4
Parts Details
  • Alternator Charging Current [A]: 210
  • Voltage [V]: 14
  • Pulleys: with belt pulley, with V-ribbed belt pulley
  • Supplementary Info: NEW STOP&START ORIGINAL PART
  • Belt Pulley Ø [mm]: 53
  • Number of ribs: 6
  • Position / Degree: L 81
  • Vehicle Equipment: for vehicles with start-stop function
  • Rotation Direction: Clockwise rotation
  • Fastening Type: Four-point attachment
  • Weight [kg]: 9,26
  • New part without deposit
  • VALEO: Alternator
  • Item number: 439864
  • Our price: 717,50 €
  • Condition: New
Details
VALEO 439864 Alternator 14V, 210A, L 81, Ø 53 mm, NEW STOP&START ORIGINAL PART
Article number: 439864
compared to RRP 1823,30 €

717,50 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

Alternator: components for the most widely used OPEL Commodore B Saloon models

Opel Commodore B 2.5
OPEL COMMODORE 2.8:
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