Here’s a description of the 2-layer brake booster used in Proton Wira and Proton Perdana models:
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Proton Wira / Perdana 2-Layer Brake Booster Description
Component Name: Brake Booster (2-layer / dual-diaphragm)
Vehicle Application:
- Proton Wira
Inquiry - Proton Wira, Saga, Persona, 2layer Brake Booster