Worcester Bosch
Worcester Bosch Pump Cable 8737604662
Pump cable 8737604662 for Worcester Bosch Greenstar 1000 and 2000 series boilers.
At a glance
- Also known as 1038483
£18.25
£15.21 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 Worcester Bosch pump cable, part number 8737604662, is the wiring harness that links the circulating pump to the boiler's control board. It is supplied by Worcester Bosch for use across the Greenstar 1000 and Greenstar 2000 Combi ranges. The cable carries the pump's power and control connections within the appliance.
Signs this part needs replacing
- The pump does not run when the boiler calls for heat
- Visible cracking, chafing or heat damage on the cable insulation
- Scorched or discoloured terminals at the pump or board plug
- Intermittent pump operation or repeated pump-related fault codes
- No continuity through the cable when tested
Before you order
- Confirm your boiler model against the fitment list above
- Check the connector type and pin layout on the existing cable match the new part
- Isolate the power supply before removing or fitting the cable
Compliance
| Alternative numbers | 1038483 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 1000 SERIES GR1000W 24 C NG | 47-800-38 | 47-800-38 | — | — |
| WORCESTER GREENSTAR 1000 SERIES GR1000W 30 C NG | 47-800-39 | 47-800-39 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 25 C LPG | 47-800-35 | 47-800-35 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 25 C NG | 47-800-34 | 47-800-34 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 30 C LPG | 47-800-37 | 47-800-37 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 30 C NG | 47-800-36 | 47-800-36 | — | — |
| WORCESTER GREENSTAR GR1000W 24 C NG | — | — | — | |
| WORCESTER GREENSTAR GR1000W 30 C NG | — | — | — | |
| WORCESTER GREENSTAR GR2301iW 25 C LPG COMBI | — | — | — | |
| WORCESTER GREENSTAR GR2301iW 25 C NG COMBI | — | — | — |
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Documents & drawings
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