Mercedes S123 250 T 2.5 Alternator (129 hp Petrol M 123.921)
-
- Construction Year to: 09 / 1979
- Engine Code: 123.920
- Transmission Code: 716.006
- Transmission Type: Manual Transmission
- Alternator Charging Current [A]: 65
- Voltage [V]: 12
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 70,0
- Number of grooves: 1
- Vehicle Main Current: for vehicles with 12V main current
- Alternator Type: excl. vacuum pump
- Fastening Type: Single pivoted lever
- Clamp: B+,D+,W
- Bore Diameter 1 [mm]: 10,5
- Number of mounting bores: 2
- Number of threaded holes 0
- Distance from belt pulley to alternator [mm]: 77,5
- Item number: 4G1417
- Our price: 97,15 €
- Manufacturer: RIDEX
- EAN number: 4066016900501
- Condition: New
- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Manufacturer Restriction: BOSCH
- Pulleys: with belt pulley
- Quality: STANDARD LINE
- Version: 0120489556
- New part without deposit
- Item number: A0069
- Our price: 80,80 €
- Manufacturer: AS-PL
- EAN number: 5901259400991
- Condition: New
- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Belt Pulley Ø [mm]: 70
- Number of ribs: 1
- Plug Type ID: 0001
- Vehicle Main Current: for vehicles with 12V main current
- Clamp: Plug
- Bore Diameter 1 [mm]: 10
- Length [mm]: 22,0
- Net weight [kg]: 4,6
- Length 4 [mm]: 56,0
- Item number: 28-0675
- Our price: 87,19 €
- Manufacturer: ELSTOCK
- EAN number: 5708114008831
- Condition: Remanufactured
price incl. 23% VAT
excl. delivery costs
- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Belt Pulley Ø [mm]: 70
- Number of ribs: 1
- Plug Type ID: 0001
- Vehicle Main Current: for vehicles with 12V main current
- Clamp: Plug
- Bore Diameter 1 [mm]: 10
- Net weight [kg]: 4,6
- Length 4 [mm]: 56,0
- Item number: LRA00823
- Our price: 91,91 €
- Manufacturer: LUCAS
- EAN number: 5708279018362
- Condition: Remanufactured
price incl. 23% VAT
excl. delivery costs
- Alternator Charging Current [A]: 55
- Voltage [V]: 14
- Belt Pulley Ø [mm]: 75
- Position / Degree: li 60
- Fastening Type: Single pivoted lever
- Item number: 9030720
- Our price: 93,20 €
- Manufacturer: ROTOVIS Automotive Electrics
- EAN number: 4011930307202
- Condition: Remanufactured
- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Pulleys: with belt pulley
- Engine Code: M123.921
- Belt Pulley Ø [mm]: 70
- Number of ribs: 1
- Number of grooves: 1
- Exchange Part
- Item number: STX100142R
- Our price: 93,96 €
- Manufacturer: STARDAX
- EAN number: 226382186053751860537
- Condition: New
price incl. 23% VAT
excl. delivery costs
- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Manufacturer Restriction: BOSCH
- Pulleys: with belt pulley
- Plug Type ID: CPA0007
- Supplementary Article / Supplementary Info: with integrated regulator
- Number of mounting bores: 2
- Manufacturer: MERCEDES-BENZ
- Item number: CAL10118AS
- Our price: 97,65 €
- Manufacturer: CASCO
- EAN number: 2248410876331
- Condition: New
-
- Construction Year to: 09 / 1979
- Engine Code: 123.920
- Transmission Code: 716.006
- Transmission Type: Manual Transmission
- Alternator Charging Current [A]: 65
- Voltage [V]: 12
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 70,0
- Number of grooves: 1
- Vehicle Main Current: for vehicles with 12V main current
- Alternator Type: excl. vacuum pump
- Fastening Type: Single pivoted lever
- Clamp: B+,D+,W
- Bore Diameter 1 [mm]: 10,5
- Number of mounting bores: 2
- Number of threaded holes 0
- Distance from belt pulley to alternator [mm]: 77,5
- Item number: SKGN-03221640
- Our price: 113,15 €
- Manufacturer: STARK
- EAN number: 4066016900495
- Condition: New
- Alternator Charging Current [A]: 55
- Voltage [V]: 14
- Pulleys: with belt pulley
- Belt Pulley Ø [mm]: 70,0
- Number of grooves: 1
- Plug Type ID: PL22
- Rotation Direction: Clockwise rotation
- Length [mm]: 162,50
- Item number: 110358
- Our price: 113,32 €
- Manufacturer: HC-Cargo
- EAN number: 2248198843502
- Condition: New
price incl. 23% VAT
excl. delivery costs
- Alternator Charging Current [A]: 65
- Voltage [V]: 12
- Manufacturer Restriction: BOSCH
- Pulleys: with belt pulley
- Diameter [mm]: 73,00
- Quality: STANDARD LINE
- New part without deposit
- Item number: A0393
- Our price: 114,29 €
- Manufacturer: AS-PL
- EAN number: 5901259490732
- Condition: New
price incl. 23% VAT
excl. delivery costs
- Alternator Charging Current [A]: 55
- Voltage [V]: 14
- Pulleys: with belt pulley
- Belt Pulley Ø [mm]: 69
- Number of grooves: 1
- Used part return not required
- TecDoc Engine Number: M 123.921
- New part without deposit
- Assy. / disassy. by qualified personnel required!
- Item number: 8EL 011 711-681
- Our price: 119,77 €
- Manufacturer: HELLA
- EAN number: 4082300335750
- Condition: New
price incl. 23% VAT
excl. delivery costs
- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Number of ribs: 1
- Vehicle Main Current: for vehicles with 12V main current
- Quality: Standard Neuteil
- Item number: 3120546
- Our price: 122,47 €
- Manufacturer: Henkel Parts
- EAN number: 4063214231192
- Condition: New
- Alternator Charging Current [A]: 55
- Voltage [V]: 14
- Belt Pulley Ø [mm]: 72
- Number of grooves: 1
- Plug Type ID: B+D+
- Rotation Direction: Clockwise rotation
- Number of mounting bores: 2
- Distance from belt pulley to alternator [mm]: 77
- Belts: without V-belt
- Item number: 210111A
- Our price: 129,71 €
- Manufacturer: ERA
- EAN number: 2223414552600
- Condition: New
- Alternator Charging Current [A]: 55
- Voltage [V]: 24
- Belt Pulley Ø [mm]: 116,0
- Number of grooves: 2
- Clamp: B+ (M8)
- Quality: +Line Original
- Number of mounting bores: 3
- Mounting Angle [degrees]: 22
- Item number: 906.002.055.010
- Our price: 143,89 €
- Manufacturer: BV PSH
- EAN number: 8720264049912
- Condition: New
price incl. 23% VAT
excl. delivery costs
- 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
- Item number: 555.005.055.010
- Our price: 155,13 €
- Manufacturer: BV PSH
- EAN number: 8720264084258
- Condition: New
price incl. 23% VAT
- Alternator Charging Current [A]: 55
- Voltage [V]: 14
- Pulleys: with belt pulley
- Belt Pulley Ø [mm]: 66
- Position / Degree: li 60
- Used part return not required
- Item number: 32489556
- Our price: 168,15 €
- Manufacturer: HERTH+BUSS ELPARTS
- EAN number: 4026736003401
- Condition: New
price incl. 23% VAT

- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Belt Pulley Ø [mm]: 70
- Number of ribs: 1
- Plug Type ID: 0001
- Vehicle Main Current: for vehicles with 12V main current
- Clamp: Plug
- Bore Diameter 1 [mm]: 10
- Net weight [kg]: 4,6
- Item number: WAL00386
- Our price: 205,83 €
- Manufacturer: WALKER
- EAN number: 4060426560607
- Condition: New
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 23% VAT
- Alternator Charging Current [A]: 55
- Voltage [V]: 14
- Pulleys: with belt pulley
- Belt Pulley Ø [mm]: 69
- Number of grooves: 1
- Plug Type ID: PL22
- Exchange Part
- Rotation Direction: Clockwise rotation
- Alternator Type: excl. vacuum pump
- usable for vehicles with alternator charging current [A]: 55
- Fastening Type: Single pivoted lever
- Recommended additional repairs: V-Belt / V-Ribbed Belt
- Clamp: B+(9,8),D+
- Length [mm]: 165
- Distance from belt pulley to alternator [mm]: 77
- Item number: 0 986 031 400
- Our price: 256,00 €
- Manufacturer: BOSCH
- EAN number: 3165141019339
- Condition: Remanufactured
price incl. 23% VAT
- Exchange Part
- Recommended additional repairs: V-Belt / V-Ribbed Belt
- Item number: 0 986 030 360
- Our price: 45,00 €
- Manufacturer: BOSCH
- EAN number: 2230130418300
- Condition: Remanufactured
- Alternator Charging Current [A]: 55
- Voltage [V]: 12
- Pulleys: for v-belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 69
- Number of grooves: 1
- Vehicle Main Current: for vehicles with 12V main current
- Rotation Direction: Clockwise rotation
- Alternator Type: excl. vacuum pump
- usable for vehicles with alternator charging current [A]: 55
- Fastening Type: Single pivoted lever
- Clamp: D+,B+(9,8)
- Number of mounting bores: 2
- Number of threaded holes 0
- Connector Shape: angular
- Quantity Unit: Piece
- Item number: SKGN-03222182
- Our price: 55,92 €
- Manufacturer: STARK
- EAN number: 4067448328338
- Condition: New
- 1
- 2
- 3
What is the best alternator for a Mercedes-Benz W123 Estate (S123) 2525 ccm?
The best alternators for Mercedes S123 250 T (123.086) models are from the following original brands:
- RIDEX
- DENSO
- AS-PL
- BV PSH
- BOSCH
How much does an alternator for a MERCEDES-BENZ W123 Estate (S123) 250 T (123.086) cost?
The price of an alternator for the Mercedes S123 250 T (123.086) Petrol is typically between €45 and €256.
How to tell if the alternator on a Mercedes S123 250 T (123.086) is bad and what to do about it
If the alternator is not charging the battery properly, symptoms such as flickering lights or a loss of power may indicate a fault. The regulator, freewheel clutch and screws must be checked. If necessary, remove the alternator on the MERCEDES-BENZ W123 Estate (S123) 95 kW / 129 hp and replace it.
Which alternator do I need for a Mercedes S123 250 T (123.086) Petrol (Intake Manifold Injection/ Carburettor) 1978 - 1979?
Alternator output current [A] | 55; 65 |
Pulley diameter [mm] | 66; 69; 70; 72; 75; 82; 116 |
Pulleys | for v-belt pulley; with belt pulley |
Weight [kg] |