Worcester Bosch
Worcester Bosch Wiring Harness Main 87186812120
Main wiring harness for Worcester Greenstar Fs30 CDI and Fs42 CDI regular boilers, including LPG variants.
At a glance
- Also known as 1022631
£27.49
£22.91 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The main wiring harness for Worcester Greenstar FS series regular boilers. It provides the electrical connections between the boiler's control components. Manufactured by Worcester Bosch under part number 87186812120.
Signs this part needs replacing
- Brittle, cracked or heat-damaged insulation on the loom
- Burnt, discoloured or loose connectors
- Intermittent electrical faults or the boiler failing to power up
- Fault codes or unreliable operation traced to the wiring
- Rodent or impact damage to the harness
Before you order
- Confirm your boiler model and GC number against the fit list above
- Check the connector layout and plug count on the existing harness
- Isolate the electrical supply before removing or fitting the harness
- Inspect related wiring and connectors for damage before fitting
Compliance
| GC number | H71-347 |
|---|---|
| Barcode / EAN | 4047416798981 |
| Alternative numbers | 1022631 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR FS30 CDI REGULAR | 41-406-62 | 41-406-62 | — | — |
| WORCESTER GREENSTAR FS30 CDI REGULAR LPG | 41-406-63 | 41-406-63 | — | — |
| WORCESTER GREENSTAR FS42 CDI REGULAR | 41-406-64 | 41-406-64 | — | — |
| WORCESTER GREENSTAR FS42 CDI REGULAR LPG | 41-406-65 | 41-406-65 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
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