

Charging relay 12V DC Bosch original
- Model year:
- 1961–1968
- Engine:
- B18
- Info:
- Bosch system. 12 V
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Worn brushes and dry bearings are the most common reasons the charging becomes uneven or disappears on a 122 with B18. Once the generator is removed it pays off to refresh the entire unit instead of just replacing a single part – this is where a restorer picks up the wear parts.




PV 544, Duett, Amazon, 1800

1800, 140

PV 444, PV 544, Amazon, 1800, 140

PV 544, Duett, Amazon, 1800, 140


Amazon

Duett, Amazon

PV 444, Duett, PV 544, Amazon, 1800, 164, 140, 340, 360

Duett, Amazon, 1800

PV 444, PV 544, Amazon, 1800, 140

173

Duett, Amazon

PV 444, Duett, PV 544, Amazon, 1800


PV 444, PV 544, Amazon, 1800, 140, 164, 240, 260


PV 444, Duett, PV 544, Amazon, 1800, 164, 780, S90, S70, C70

PV 444, PV 544, Duett, Amazon, 1800, 164, 780

PV 444, PV 544, Duett, Amazon, 1800, 164, 780, S90, S70, C70
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The group includes a brush set to restore the contact against the commutator, a mounting kit plus anchorages, screw, nut and spring washer for mounting and tensioning the belt. There is also a flywheel bearing and a decal for the correct finish in a complete restoration.
Keep in mind that the B18 and the 12-volt system were introduced together in August 1961 – the parts here are intended for the 12V-built generator, not the earlier 6V version. Always check the condition of the commutator and the bearing play when the brushes are replaced anyway.