Parts for your 2008 Toyota Mark x-Exhaust gasket

2008 Toyota Mark X exhaust gasket — what it does and when to sort it

Referencing the Toyota Mark X (GRX120/GRX121) Repair Manual and Toyota’s Electronic Parts Catalog (EPC) diagrams for the exhaust manifold, front exhaust pipe and muffler sections, the 2008 Mark X absolutely uses exhaust gaskets. The technical drawings show a multi‑layer steel (MLS) manifold‑to‑cylinder‑head gasket, plus ring/donut gaskets at the spring‑bolt joints and flat flange gaskets further down the system. The same GR‑series V6 layouts documented across Toyota/Lexus workshop literature confirm these gaskets are fitted as standard.

On a 2008 Toyota Mark X, the exhaust gasket is the quiet achiever that keeps hot exhaust gases sealed as they leave the engine and flow through the pipes, cat and mufflers. It copes with heat, vibration and expansion, prevents that annoying tick on cold start, and helps keep fumes and odours out of the cabin. At the manifold, a robust MLS gasket seals the head to the manifold