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Worcester Bosch Screw and Washer Assembly M5 x 55 87161068150

Worcester Bosch

Worcester Bosch Screw and Washer Assembly M5 x 55 87161068150

Worcester Bosch screw and washer assembly M5 x 55, part 87161068150, for Greenstar and British Gas 430/i series boilers.

At a glance

  • Part type: Screw and washer assembly
  • Also known as 1021028
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
87161068150
GC number
H56-479
Showing prices

£4.09

£3.41 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Worcester Bosch 87161068150 is a screw and washer assembly with an M5 x 55 thread. It is used to secure components within Worcester Bosch gas boilers, including the Greenstar and British Gas 430/i ranges. The assembly combines a screw and a washer to provide a secure fixing where a standard bolt may not be suitable.

Signs this part needs replacing

  • Visible corrosion or rust on the screw or washer.
  • The screw no longer tightens or holds torque.
  • The washer is cracked, flattened, or missing.
  • Vibration or movement at the fixing point.
  • Signs of water or flue gas leakage around the joint.

Before you order

  • Check the appliance GC number and model against the compatibility list.
  • Confirm the part number 87161068150 matches your existing component.
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.