KYB Gas-A-Just rear shock for 2003–2009 Toyota 4Runner replaces worn rear dampers and is specified for models without X‑REAS or adjustable suspension systems. Built as a direct-replacement rear shock for those years and exclusions, it restores controlled damping to improve ride stability after service. The unit targets owners who need OE-style operation without altering existing suspension features.
KYB 03-09 Toyota 4Runner (Exc. X-Reas, Adj Susp.) Gas-A-Just Shock - Rear