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W221 S 420 CDI Alternator (320 hp Diesel OM 629.911)

Best alternator for MERCEDES-BENZ S-Class S 420 CDI (221.028, 221.128) diesel
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28 items
A01001S Alternator Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2006 W221 AS-PL A01001S W221 S420CDI (221.028, 221.128) Alternator 320 hp Diesel 2009 cost
AS-PL A01001S Alternator 12V, 220A
Article number: A01001S
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Manufacturer Restriction: BOSCH
  • Pulleys: with freewheel belt pulley
  • Quality: STANDARD LINE
  • Version: 0121813004
  • New part without deposit
  • Item number: A01001S
  • Our price: £ 184,53
  • Manufacturer: AS-PL
  • EAN number: 221170724063978240639
  • Condition: New
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£ 184,53

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BV PSH 555.520.220.014 Alternator 12V, 220A, B+ (M8), Ø 50,0 mm
Article number: 555.520.220.014
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50,0
  • Number of grooves: 8
  • Clamp: B+ (M8)
  • New Part
  • Quality: +Line Pro
  • Number of mounting bores: 4
  • Mounting Angle [degrees] 0
  • Item number: 555.520.220.014
  • Our price: £ 273,53
  • Manufacturer: BV PSH
  • EAN number: 8720264377725
  • Condition: New
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Free delivery on this item
In stock
-47%
compared to RRP £ 521,09

£ 273,53

price incl. 20% VAT

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WAL02113 Alternators Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2008 W221 WALKER WAL02113 W221 S420CDI (221.028, 221.128) Alternators 320 hp Diesel 2007 cost
WALKER WAL02113 Alternator 12V, 220A, M8 B+;Com Dummy Plug, 0239, Ø 50 mm
Article number: WAL02113
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: 0239
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8 B+;Com Dummy Plug
  • Bore Diameter 1 [mm]: 9
  • Bore Diameter 2 [mm]: 9
  • Net weight [kg]: 9,03
  • Item number: WAL02113
  • Our price: £ 402,99
  • Manufacturer: WALKER
  • EAN number: 4060426620622
  • Condition: New
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£ 402,99

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BV PSH 555.520.220.018 Alternator 12V, 220A, B+ (M8), Ø 50,0 mm
Article number: 555.520.220.018
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50,0
  • Number of grooves: 8
  • Clamp: B+ (M8)
  • Quality: RNL-Standard
  • Number of mounting bores: 4
  • Mounting Angle [degrees]: 180
  • Item number: 555.520.220.018
  • Our price: £ 223,49
  • Manufacturer: BV PSH
  • EAN number: 872025306443
  • Condition: New
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Сurrently out of stock
-51%
compared to RRP £ 459,34

£ 223,49

price incl. 20% VAT

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EUROTEC 12047620 Alternator 14V, 220A
Article number: 12047620
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 14
  • Construction Year from: 12 / 2006
  • Item number: 12047620
  • Our price: £ 230,88
  • Manufacturer: EUROTEC
  • EAN number: 4250294721815
  • Condition: Remanufactured
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-71%
compared to RRP £ 805,10

£ 230,88

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9092105 Alternators Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2007 W221 ROTOVIS Automotive Electrics 9092105 W221 S420CDI (221.028, 221.128) Alternators 320 hp Diesel 2008 cost
ROTOVIS Automotive Electrics 9092105 Alternator 14V, 220A, B+ M8, COM, Ø 50 mm
Article number: 9092105
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: COM
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: B+ M8
  • Item number: 9092105
  • Our price: £ 235,78
  • Manufacturer: ROTOVIS Automotive Electrics
  • EAN number: 4055601921052
  • Condition: Remanufactured
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£ 235,78

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555.520.220.215 Alternator Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2008 W221 Sample photo only BV PSH 555520220215 W221 S420CDI (221.028, 221.128) Alternator 320 hp Diesel 2007 cost
BV PSH 555.520.220.215 Alternator 12V, 220A, B+ (M9)
Article number: 555.520.220.215
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Number of grooves: 8
  • Clamp: B+ (M9)
  • Quality: Bosch Reman
  • Number of mounting bores: 4
  • Item number: 555.520.220.215
  • Our price: £ 254,98
  • Manufacturer: BV PSH
  • EAN number: 8720264496846
  • Condition: New
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£ 254,98

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555.520.220.210 Alternator Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2009 W221 BV PSH 555520220210 W221 S420CDI (221.028, 221.128) Generator 320 hp Diesel 2006 cost
BV PSH 555.520.220.210 Alternator 12V, 220A, B+ (M9), M9 B+, Ø 49,9 mm
Article number: 555.520.220.210
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 49,9
  • Number of grooves: 8
  • Clamp: B+ (M9), M9 B+
  • New Part
  • Quality: Bosch New
  • Number of mounting bores: 4
  • Item number: 555.520.220.210
  • Our price: £ 256,80
  • Manufacturer: BV PSH
  • EAN number: 70555520220210
  • Condition: New
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£ 256,80

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116143 Generator Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2006 W221 F032116143 HC-Cargo 116143 W221 S420CDI (221.028, 221.128) Alternators 320 hp Diesel 2009 cost
HC-Cargo 116143 Alternator 14V, 220A, PL166, COM, Ø 50,0 mm
Article number: 116143
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Engine Code: OM629.911
  • Belt Pulley Ø [mm]: 50,0
  • Number of grooves: 8
  • Plug Type ID: PL166, COM
  • Rotation Direction: Clockwise rotation
  • Length [mm]: 184,00
  • Item number: 116143
  • Our price: £ 257,12
  • Manufacturer: HC-Cargo
  • EAN number: 5711343349682
  • Condition: New
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£ 257,12

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F032116143 Alternators Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2007 W221 116143 HC-Cargo F032116143 W221 S420CDI (221.028, 221.128) Alternator 320 hp Diesel 2008 cost
HC-Cargo F032116143 Alternator 14V, 220A, PL166, Ø 50,0 mm
Article number: F032116143
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50,0
  • Number of grooves: 8
  • Plug Type ID: PL166
  • Item number: F032116143
  • Our price: £ 271,01
  • Manufacturer: HC-Cargo
  • EAN number: 5711343349682
  • Condition: New
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£ 271,01

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40494 Alternator Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2008 W221 CEVAM 40494 W221 S420CDI (221.028, 221.128) Generator 320 hp Diesel 2007 cost CEVAM 40494 Alternator
CEVAM 40494 Alternator 14V, 220A, B+ M8, COM, Ø 50 mm
Article number: 40494
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 14
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: COM
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: B+ M8
  • Item number: 40494
  • Our price: £ 284,39
  • Manufacturer: CEVAM
  • EAN number: 221070915883105158831
  • Condition: Remanufactured
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£ 284,39

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A12BH0554AS Generator Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2009 W221 SIDAT A12BH0554AS W221 S420CDI (221.028, 221.128) Alternators 320 hp Diesel 2006 cost
SIDAT A12BH0554AS Alternator 12V, 220A, B+ M9, Ø 50 mm
Article number: A12BH0554AS
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 8
  • Clamp: B+ M9
  • Quality: OE EQUIVALENT
  • Version: ARMAN
  • Number of mounting bores: 4
  • Paired product: 455091
  • Item number: A12BH0554AS
  • Our price: £ 305,34
  • Manufacturer: SIDAT
  • EAN number: 8033208430425
  • Condition: New
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£ 305,34

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3120701 Alternators Mercedes-Benz S-Class S420CDI (221.028, 221.128) 320 hp 235 kW OM 629.911 2006 W221 Henkel Parts 3120701 W221 S420CDI (221.028, 221.128) Alternator 320 hp Diesel 2009 cost
Henkel Parts 3120701 Alternator 12V, 220A
Article number: 3120701
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Number of ribs: 2
  • Quality: Bosch Reman
  • Item number: 3120701
  • Our price: £ 325,79
  • Manufacturer: Henkel Parts
  • EAN number: 4063214232748
  • Condition: New
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£ 325,79

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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: 0239, Com Dummy (Plug 164)
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8 B+, Com Dummy Plug 164
  • Bore Diameter 1 [mm]: 9
  • Bore Diameter 2 [mm]: 9
  • Net weight [kg]: 9,03
  • Always compare old and new part (in particular OE No.)
  • Item number: LRA03289
  • Our price: £ 331,49
  • Manufacturer: LUCAS
  • EAN number: 5708279183770
  • Condition: Remanufactured
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£ 331,49

price incl. 20% VAT

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A core charge of £ 26,00 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
ALANKO 10444835 Alternator 12V, 220A, B+(M8), Ø 50 mm
Article number: 10444835
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: B+(M8)
  • Rotation Direction: Clockwise rotation
  • New Part
  • Connector Shape: oval
  • Quantity Unit: Piece
  • Item number: 10444835
  • Our price: £ 332,16
  • Manufacturer: ALANKO
  • EAN number: 4053082010395
  • Condition: New
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Сurrently out of stock
-27%
compared to RRP £ 458,50

£ 332,16

price incl. 20% VAT

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AD KÜHNER 553859RI Alternator 12V, 220A, Ø 50 mm
Article number: 553859RI
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Item number: 553859RI
  • Our price: £ 332,65
  • Manufacturer: AD KÜHNER
  • EAN number: 805622408610
  • Condition: New
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£ 332,65

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    • Construction Year from: 12 / 2006
    • Construction Year to: 04 / 2009
  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Manufacturer Restriction: BOSCH
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: CPA0149
  • Exchange Part
  • Supplementary Article / Supplementary Info: with integrated regulator
  • Number of mounting bores: 4
  • Manufacturer: MERCEDES-BENZ
  • Item number: 2010407.2
  • Our price: £ 364,32
  • Manufacturer: SANDO
  • EAN number: 2245929175718
  • Condition: Remanufactured
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Сurrently out of stock
£ 364,32

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A core charge of £ 104,02 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: 0239
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8 B+, Com Dummy Plug 164
  • Bore Diameter 1 [mm]: 9
  • Bore Diameter 2 [mm]: 9
  • Net weight [kg]: 9,03
  • Always compare old and new part (in particular OE No.)
  • Length 4 [mm]: 90,0
  • Item number: 28-5901
  • Our price: £ 401,11
  • Manufacturer: ELSTOCK
  • EAN number: 5704651420341
  • Condition: Remanufactured
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Сurrently out of stock
£ 401,11

price incl. 20% VAT

free delivery

A core charge of £ 51,90 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
    • Construction Year from: 12 / 2006
    • Construction Year to: 04 / 2009
  • Alternator Charging Current [A]: 220
  • Voltage [V]: 12
  • Manufacturer Restriction: BOSCH
  • Pulleys: with freewheel belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 8
  • Plug Type ID: CPA0149
  • Exchange Part
  • Supplementary Article / Supplementary Info: with integrated regulator
  • Number of mounting bores: 4
  • Manufacturer: MERCEDES-BENZ
  • Item number: CAL10407RS
  • Our price: £ 422,20
  • Manufacturer: CASCO
  • EAN number: 8058642286063
  • Condition: Remanufactured
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£ 422,20

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BOSCH 0 986 047 620 Alternator 14V, 220A
Article number: 0 986 047 620
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  • Alternator Charging Current [A]: 220
  • Voltage [V]: 14
  • Construction Year to: 04 / 2009
  • Pulleys: with freewheel belt pulley
  • Exchange Part
  • Recommended additional repairs: V-Belt / V-Ribbed Belt
  • Item number: 0 986 047 620
  • Our price: £ 425,59
  • Manufacturer: BOSCH
  • EAN number: 4047023051479
  • Condition: Remanufactured
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£ 425,59

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A core charge of £ 99,07 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned

What is the best alternator for the Mercedes-Benz S-Class Saloon (W221) 3996 ccm?

The best alternators for the Mercedes-Benz W221 S 420 CDI (221.028, 221.128) are from the following original brands:

  • RIDEX
  • AS-PL
  • BV PSH
  • BOSCH
  • HELLA

How much does an alternator for the MERCEDES-BENZ S-Class Saloon (W221) S 420 CDI (221.028, 221.128) cost?

The price of an alternator for a Mercedes-Benz W221 S 420 CDI (221.028, 221.128) Diesel ranges from £184.53 to £425.59.

How to tell if the alternator on your Mercedes-Benz W221 S 420 CDI (221.028, 221.128) is bad and what to do

If the alternator is not charging the battery, symptoms such as flickering lights or a loss of power may be the first signs of a fault. The regulator, freewheel clutch and screws must be checked. If necessary, remove the alternator on your MERCEDES-BENZ S-Class Saloon (W221) 235 kW / 320 hp and replace it.

Which alternator do I need for my Mercedes-Benz W221 S 420 CDI (221.028, 221.128) Diesel (Direct Injection) 2006 - 2009?

Alternator charging current [A] 220
Pulley Ø [mm] 49.9; 50
Pulleys with freewheel belt pulley
Weight [kg]
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