Worcester Bosch
Worcester Bosch Seal 87186510710
Worcester Bosch seal, part number 87186510710, for Greenstar 2000 and 4000 combi and system boilers.
At a glance
- Part type: seal
- Also known as 1038257
£15.37
£12.81 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 seal, part number 87186510710, is a sealing component used on Greenstar 2000 and Greenstar 4000 series appliances. It forms part of the boiler's water or gas sealing arrangements, preventing leakage at the joint it serves. It is listed for both combi and system models across the range.
Signs this part needs replacing
- Visible water weeping or seepage at the joint the seal serves
- Dripping or pooling beneath the appliance where the seal is fitted
- The seal has hardened, flattened or cracked and no longer sits proud of its housing
- Traces of scale, corrosion or residue around the sealing face
Before you order
- Confirm the part number 87186510710 matches the component being replaced
- Check the appliance model against the fit list above before ordering
- Identify whether the appliance is the NG or LPG variant, though the seal is listed across both
- Inspect the sealing faces for damage or debris before fitting the replacement
Compliance
| Alternative numbers | 1038257 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C LPG | 47-800-27 | 47-800-27 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C NG | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C LPG | 47-800-29 | 47-800-29 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C NG | 47-800-28 | 47-800-28 | — | — |
| 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 4000 COMBI GR4700iW 25 C LPG | 47-800-31 | 47-800-31 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 25 C NG | 47-800-30 | 47-800-30 | — | — |
Showing 10 of 44 compatible appliances.
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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