Failed Brake Booster Replacement - V6 4Runner Direct Bolt-On Swap

Brakesintermediate✓ Community Verified

Problem

OEM brake booster on MK3 Supra failing or failed, with OEM replacements difficult to source. Owner needed a reliable, readily available aftermarket replacement booster.

Gradually worsening brake pedal feelReduced braking assist/bite over timeFailing brake booster requiring replacement

Root Cause

OEM double-diaphragm brake booster worn out or failing, with no direct OEM replacement readily available

Confidence

High confidence — Multiple community members agreed on this solution

View Original Thread →Posted February 2024 on SupraForums.com