Parts for your 1989 Mitsubishi Pajero-Exhaust gasket

1989 Mitsubishi Pajero exhaust gasket — what it does and when to replace it

Technical sources confirm the 1989 Mitsubishi Pajero uses exhaust gaskets at several joints. The Mitsubishi Pajero/Montero factory service manuals for late‑1980s models, the Gregory’s/Haynes workshop manuals for 1983–1993 Pajero, and the Mitsubishi ASA parts catalogue all specify exhaust manifold-to-head gaskets, pipe “donut”/ring gaskets at the manifold/downpipe, and, on 4D56T turbo-diesel variants, additional turbine outlet gaskets. Walker and Victor Reinz gasket catalogues list direct-fit gasket sets for the 4G54, 6G72, and 4D56 engines used in 1989, so the exhaust gasket is absolutely relevant to this vehicle.

On this classic Pajero, the exhaust gasket’s job is to seal hot gases at the manifold and pipe flanges, keeping things quiet, preventing fumes from sneaking into the cabin, and helping the engine breathe properly. A tight seal also protects nearby components from heat erosion and soot, and on petrol models helps the engine management get accurate readings.

There’s no set kilometre-based replacement interval