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Mercedes W121 alternator

Alternator for MERCEDES-BENZ SL (W121) models – high-quality and low prices
Select your SL Convertible (W121) car engine
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Generator MERCEDES-BENZ SL Convertible (W121) 1955
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Generator for Mercedes W121 – order online at unbeatable prices

Buy generator MERCEDES-BENZ SL Convertible (W121) models

Mercedes W121 190
See the best deals for Generator Mercedes W121 and other electrics categories:

Top sellers: Alternators MERCEDES-BENZ SL (W121) buy online to reduce replacement cost

The most popular spare parts in the category Alternator suitable for MERCEDES-BENZ SL. Alternator suitable for MERCEDES-BENZ W121 SL: buy high-quality parts from leading brands

-53%
RIDEX 4G0074 genuine Mercedes W121 alternator cost
Reviews - 22
Parts Details
  • Alternator Charging Current [A]: 90
  • Voltage [V]: 14
  • Pulleys: with multi-belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 55
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Connector / Clamp: with connection for speed sensor
  • Fastening Type: Single pivoted lever
  • Clamp: M8 B+ M5 D+
  • Bore Diameter 1 [mm]: 10
  • Number of mounting bores: 2
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 92,1
  • RIDEX: Alternator
  • Item number: 4G0074
  • Our price: €88.49
  • Condition: New
Details
RIDEX 4G0074 Alternator 14V, 90A, M8 B+ M5 D+, excl. vacuum pump, Ø 55 mm
Article number: 4G0074
compared to RRP €189.40

€88.49
Price per item
price incl. 23% VAT, excl. delivery costs
-34%
RIDEX 4G0344 genuine Mercedes W121 alternator cost
Reviews - 10
Parts Details
  • Alternator Charging Current [A]: 65
  • Voltage [V]: 12
  • Pulleys: with belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 68,5
  • Number of grooves: 1
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Single pivoted lever
  • Clamp: B+(M8),D+(M5),W
  • Bore Diameter 1 [mm]: 10
  • Diameter [mm]: 70,00
  • Number of mounting bores: 3
  • Number of threaded holes: 1
  • Thread Size: M8
  • Distance from belt pulley to alternator [mm]: 98
  • RIDEX: Alternator
  • Item number: 4G0344
  • Our price: €104.99
  • Condition: New
Details
RIDEX 4G0344 Alternator 12V, 65A, B+(M8),D+(M5),W, excl. vacuum pump, Ø 68,5 mm
Article number: 4G0344
compared to RRP €158.88

€104.99
price incl. 23% VAT, excl. delivery costs
-57%
RIDEX 4G0044 genuine Mercedes W121 alternator cost
Reviews - 31
Parts Details
  • Alternator Charging Current [A]: 120
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 56
  • Number of grooves: 7
  • Plug Type ID: COM-DFM
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Direct fastening
  • Clamp: B+ (M8)
  • Bore Diameter 1 [mm]: 8
  • Number of mounting bores: 4
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 30,5
  • RIDEX: Alternator
  • Item number: 4G0044
  • Our price: €125.99
  • Condition: New
Details
RIDEX 4G0044 Alternator 14V, 120A, B+ (M8), COM-DFM, excl. vacuum pump, Ø 56 mm
Article number: 4G0044
compared to RRP €296.18

€125.99
price incl. 23% VAT, excl. delivery costs
-54%
RIDEX 4G0122 genuine Mercedes W121 alternator cost
Reviews - 40
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 5
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Direct fastening
  • Clamp: M8, COM / LIN
  • Bore Diameter 1 [mm]: 10
  • Number of mounting bores: 3
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 31
  • RIDEX: Alternator
  • Item number: 4G0122
  • Our price: €142.99
  • Condition: New
Details
RIDEX 4G0122 Alternator 14V, 150A, M8, COM/LIN, excl. vacuum pump, Ø 50 mm
Article number: 4G0122
compared to RRP €312.72

€142.99
Price per item
price incl. 23% VAT, excl. delivery costs
-47%
RIDEX 4G0020 1959 Mercedes W121 alternator price
Reviews - 7
Parts Details
  • Alternator Charging Current [A]: 115
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • 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: Direct fastening
  • Clamp: B+ (M8), D+(M5)
  • Bore Diameter 1 [mm]: 9,5
  • Number of mounting bores: 2
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 32,5
  • RIDEX: Alternator
  • Item number: 4G0020
  • Our price: €155.99
  • Condition: New
Details
RIDEX 4G0020 Alternator 14V, 115A, B+ (M8), D+(M5), excl. vacuum pump, Ø 50 mm, with integrated regulator
Article number: 4G0020
compared to RRP €296.18

€155.99
price incl. 23% VAT, free delivery
-68%
RIDEX 4G0093 1958 Mercedes W121 alternator price
Reviews - 16
Parts Details
  • Alternator Charging Current [A]: 200
  • Voltage [V]: 12
  • Pulleys: with freewheel 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: Direct fastening
  • Clamp: M8 B+, L, DFM
  • Bore Diameter 1 [mm]: 9
  • Number of mounting bores: 4
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 31,0
  • RIDEX: Alternator
  • Item number: 4G0093
  • Our price: €149.99
  • Condition: New
Details
RIDEX 4G0093 Alternator 12V, 200A, M8 B+, L, DFM, excl. vacuum pump, Ø 50 mm
Article number: 4G0093
compared to RRP €471.63

€149.99
Price per item
price incl. 23% VAT, excl. delivery costs
-59%
RIDEX 4G0585 1957 Mercedes W121 alternator price
Reviews - 7
Parts Details
  • Alternator Charging Current [A]: 180
  • Voltage [V]: 12
  • Pulleys: with freewheel 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: Direct fastening
  • Clamp: B+(M8), COM
  • Bore Diameter 1 [mm]: 9
  • Number of mounting bores: 4
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 30,5
  • RIDEX: Alternator
  • Item number: 4G0585
  • Our price: €152.99
  • Condition: New
Details
RIDEX 4G0585 Alternator 12V, 180A, B+(M8), COM, excl. vacuum pump, Ø 50 mm
Article number: 4G0585
compared to RRP €380.09

€152.99
Price per item
price incl. 23% VAT, free delivery
-50%
RIDEX 4G0793 1956 Mercedes W121 alternator price
Reviews - 13
Parts Details
  • Alternator Charging Current [A]: 180
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Plug Type ID: Plug735, LIN
  • 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+
  • Bore Diameter 1 [mm]: 9
  • Bore Diameter 2 [mm]: 8
  • Number of mounting bores: 4
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 32
  • Charging Voltage [V]: 14
  • RIDEX: Alternator
  • Item number: 4G0793
  • Our price: €168.49
  • Condition: New
Details
RIDEX 4G0793 Alternator 14V, 180A, M8 B+, Plug735, LIN, excl. vacuum pump, Ø 50 mm
Article number: 4G0793
compared to RRP €340.69

€168.49
Price per item
price incl. 23% VAT, free delivery
-46%
RIDEX 4G0315 Mercedes W121 generator
Reviews - 14
Parts Details
  • Alternator Charging Current [A]: 180
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • 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
  • Connector / Clamp: without connection for speed sensor
  • Fastening Type: Direct fastening
  • Clamp: B+ (M8), COM / LIN2
  • Bore Diameter 1 [mm]: 9
  • Distance of mounting bores [mm]: 70
  • Bore Diameter 2 [mm]: 8
  • Number of mounting bores: 4
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 32
  • RIDEX: Alternator
  • Item number: 4G0315
  • Our price: €196.49
  • Condition: New
Details
RIDEX 4G0315 Alternator 14V, 180A, B+ (M8), COM/LIN2, excl. vacuum pump, Ø 50 mm
Article number: 4G0315
compared to RRP €363.56

€196.49
price incl. 23% VAT, free delivery
-25%
RIDEX 4G0230 Mercedes W121 alternators
Reviews - 3
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Plug Type ID: B+ L DFM, B+(M8),L-DFM
  • 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
  • Number of mounting bores: 6
  • Bore Diameter [mm]: 6,8
  • Number of threaded holes: 2
  • Thread Size: M5
  • Distance from belt pulley to alternator [mm]: 40
  • RIDEX: Alternator
  • Item number: 4G0230
  • Our price: €235.50
  • Condition: New
Details
RIDEX 4G0230 Alternator 12V, 150A, B+ L DFM, B+(M8),L-DFM, excl. vacuum pump, Ø 50 mm, with integrated regulator
Article number: 4G0230
compared to RRP €315.26

€235.50
price incl. 23% VAT, free delivery
VALEO 437539 Mercedes W121 alternator
Reviews - 13
Parts Details
  • Alternator Charging Current [A]: 180
  • Voltage [V]: 14
  • Product line: REMANUFACTURED PREMIUM
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 7
  • Exchange Part
  • Position / Degree: L / R
  • Rotation Direction: Clockwise rotation
  • Fastening Type: Four-point attachment
  • Clamp: B+
  • Weight [kg]: 8,18
  • VALEO: Alternator
  • Item number: 437539
  • Our price: €234.00
  • Condition: Remanufactured
Details
VALEO 2542969 Alternator 14V, 180A, B+, L/R, Ø 50 mm
Article number: 437539
€234.00
price incl. 23% VAT, free delivery
-47%
HELLA 8EL 012 584-431 Mercedes W121 alternator
Parts Details
  • Alternator Charging Current [A]: 55
  • Voltage [V]: 28
  • Pulleys: without belt pulley
  • Used part return not required
  • Number of mounting bores: 2
  • New part without deposit
  • Assy. / disassy. by qualified personnel required!
  • HELLA: Alternator
  • Item number: 8EL 012 584-431
  • Our price: €188.49
  • Condition: New
Details
HELLA CA595IR Alternator 28V, 55A
Article number: 8EL 012 584-431
compared to RRP €357.04

€188.49
price incl. 23% VAT, free delivery
BOSCH 1 986 A00 989 1960 Mercedes W121 generator prices
Reviews - 1
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 28
  • Pulleys: without belt pulley
  • Plug Type ID: 190
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: 3-point attachment
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Clamp: B+(M8)
  • Length [mm]: 199
  • BOSCH: Alternator
  • Item number: 1 986 A00 989
  • Our price: €350.00
  • Condition: New
Details
BOSCH ALT 28V 150A (R) Alternator 28V, 150A, B+(M8), 190, excl. vacuum pump
Article number: 1 986 A00 989
€350.00
price incl. 23% VAT, free delivery
BOSCH 0 986 082 150 1959 Mercedes W121 alternators prices
Reviews - 3
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 14
  • Pulleys: with multi-belt pulley
  • Belt Pulley Ø [mm]: 54
  • Number of grooves: 5
  • Plug Type ID: PL166
  • 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),LIN
  • Length [mm]: 185
  • Distance from belt pulley to alternator [mm]: 32
  • BOSCH: Alternator
  • Item number: 0 986 082 150
  • Our price: €177.99
  • Condition: Remanufactured
Details
BOSCH 8215 Alternator 14V, 150A, B+(M8),LIN, PL166, excl. vacuum pump, Ø 54 mm
Article number: 0 986 082 150
€177.99
price incl. 23% VAT, free delivery
BOSCH 0 986 046 300 1958 Mercedes W121 alternator prices
Reviews - 1
Parts Details
  • Alternator Charging Current [A]: 150
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 56
  • Number of grooves: 7
  • Exchange Part
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Direct fastening
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Length [mm]: 201
  • Distance from belt pulley to alternator [mm]: 31,5
  • BOSCH: Alternator
  • Item number: 0 986 046 300
  • Our price: €211.50
  • Condition: Remanufactured
Details
BOSCH 4630 Alternator 14V, 150A, excl. vacuum pump, Ø 56 mm
Article number: 0 986 046 300
€211.50
price incl. 23% VAT, free delivery
VALEO 444257 1957 Mercedes W121 alternator prices
Parts Details
  • Alternator Charging Current [A]: 185
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 49
  • Number of ribs: 7
  • Exchange Part
  • Position / Degree: 90
  • Rotation Direction: Clockwise rotation
  • Fastening Type: Four-point attachment
  • Clamp: Com / LIN
  • Weight [kg]: 7,2
  • Distance of mounting bores [mm]: 62
  • VALEO: Alternator
  • Item number: 444257
  • Our price: €225.50
  • Condition: Remanufactured
Details
VALEO 444257 Alternator 14V, 185A, Com / LIN, 90, Ø 49 mm
Article number: 444257
€225.50
price incl. 23% VAT, free delivery
-50%
HELLA 8EL 012 426-971 1956 MERCEDES-BENZ SL Convertible (W121) alternators prices
Reviews - 6
Parts Details
  • Alternator Charging Current [A]: 70
  • Voltage [V]: 14
  • Pulleys: with V-ribbed belt pulley
  • Belt Pulley Ø [mm]: 55
  • Number of grooves: 6
  • Used part return not required
  • New part without deposit
  • Assy. / disassy. by qualified personnel required!
  • HELLA: Alternator
  • Item number: 8EL 012 426-971
  • Our price: €125.99
  • Condition: New
Details
HELLA CA345IR Alternator 14V, 70A, Ø 55 mm
Article number: 8EL 012 426-971
compared to RRP €255.61

€125.99
price incl. 23% VAT, excl. delivery costs
ROTOVIS Automotive Electrics 9090313 1955 Mercedes W121 alternator prices
Reviews - 5
Parts Details
  • Alternator Charging Current [A]: 180
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 7
  • ROTOVIS Automotive Electrics: Alternator
  • Item number: 9090313
  • Our price: €179.49
  • Condition: Remanufactured
Details
ROTOVIS Automotive Electrics 9090313 Alternator 14V, 180A, Ø 50 mm
Article number: 9090313
€179.49
price incl. 23% VAT, free delivery
BOSCH 0 986 048 550 1963 MERCEDES-BENZ SL (W121) generator prices
Reviews - 6
Parts Details
  • Alternator Charging Current [A]: 200
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Plug Type ID: PL114
  • Exchange Part
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Direct fastening
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Clamp: B2+(M8),COM,DFM
  • Length [mm]: 185
  • Distance from belt pulley to alternator [mm]: 31,4
  • BOSCH: Alternator
  • Item number: 0 986 048 550
  • Our price: €207.50
  • Condition: Remanufactured
Details
BOSCH 4855 Alternator 14V, 200A, B2+(M8),COM,DFM, PL114, excl. vacuum pump, Ø 50 mm
Article number: 0 986 048 550
€207.50
price incl. 23% VAT, free delivery
BV PSH 555.005.055.010 1962 MERCEDES-BENZ SL Convertible (W121) alternators prices
Reviews - 2
Parts Details
  • Alternator Charging Current [A]: 55
  • Voltage [V]: 12
  • Belt Pulley Ø [mm]: 82,0
  • Number of grooves: 1
  • Clamp: B+ (M6)
  • Quality: +Line Original
  • Number of mounting bores: 2
  • Mounting Angle [degrees]: -60
  • BV PSH: Alternator
  • Item number: 555.005.055.010
  • Our price: €214.50
  • Condition: New
Details
BV PSH 0.120.489.526+ Alternator 12V, 55A, B+ (M6), Ø 82,0 mm
Article number: 555.005.055.010
€214.50
price incl. 23% VAT, free delivery

Alternator for MERCEDES-BENZ SL Convertible (W121): what brand is best?

Customer ratings show that the preferred brands for product category Alternator for MERCEDES-BENZ SL Convertible (W121) are:

  • RIDEX
  • DENSO

Alternator for MERCEDES-BENZ SL Convertible (W121): what price can I expect to pay?

The cost of car parts and accessories within the category Alternator for MERCEDES-BENZ SL Convertible (W121) goes from around €88 up to €350, depending on the brand and product specifications.

How much does an alternator for a Mercedes-Benz SL Convertible (W121) cost?

The price of an alternator for the Mercedes W121 is typically between €88.49 and €350.

Which alternator do I need for a Mercedes W121: 190?

Alternator output current [A] 55; 65; 70; 90; 115; 120; 150; 180; 185; 200
Pulley diameter [mm] 49; 50; 54; 55; 56; 68.5; 82
Pulleys with V-ribbed belt pulley; with belt pulley; with freewheel belt pulley; with multi-belt pulley; without belt pulley
Weight [kg] 7.2; 8.18
14 Days Returns Policy
14 Days Returns Policy
14 Days Returns Policy

You can return the product within 14 days and get your money back

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Free Shipping
Free Shipping

Each order from €150 value of goods, include free shipping within Ireland.
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