The Forge Motorsport boost gauge fitting kit is intended for 1.5 TSI engines, late 1.4 TSI engines from 2018 onwards, and the Ford Focus ST280.
The adapter is installed between the intake manifold vacuum hose and the vacuum hose connected to it. It enables simple installation of a boost gauge or vacuum-operated valve without cutting or modifying the original components.
The kit includes the necessary mounting hardware, silicone hose and installation instructions. The solution can be completely removed without permanent modifications to the vehicle.
Important: On engines where the vacuum source is located elsewhere, the FMBGFK22 kit is required. If the vacuum source is in the location shown, use the FMBGFK21 kit.
The kit includes
- Adapter
- Small Forge sticker
- 10 cable ties
- 3 metres of 4 mm-diameter vacuum hose
- E-clip
Suitable for: Ford Focus IV (DEH).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Ford Focus | MK4 | 2018–2025 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.

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