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Service cover WB5-II+

Part number (MPN)
87186661720
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Source
manufacturer reference
checked 2026-11-05
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate.

Compatible appliances

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 87186661720 fit?

The sources we checked list 87186661720 (Service cover WB5-II+, Worcester Bosch) for: GR8701IW 32 C NG, GR8701IW 36 C NG, GR8701IW 32 CB NG STYLE, GR8701IW 36 CB NG STYLE, GR8701IW 40 C NG, GR8701IW 32 C LPG, GR8701IW 36 C LPG, GR8701IW 40 C LPG, GR8701IW 30 R NG, GR8701IW 35 R NG, GR8701IW 40 R NG, GR8701IW 30 R LPG, GR8701IW 35 R LPG, GR8701IW 40 R LPG. Always check the model and serial number on the data plate before ordering.

Does 87186661720 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 87186661720. Ask a Worcester Bosch stockist to confirm.

What should I check before fitting 87186661720?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate.

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.