Parts for your 1990 Suzuki Vitara-Head gasket

1990 Suzuki Vitara head-gasket — what it does and when to sort it

Yes, a head-gasket is absolutely used on the 1990 Suzuki Vitara. This is confirmed by the Suzuki Factory Service Manual for the 1989–1998 Vitara/Sidekick (Cylinder Head section) and the Suzuki Electronic Parts Catalogue covering the G16-series engines used in 1990 models. Popular workshop guides (Haynes/Gregory’s) also document the head-gasket and its replacement procedure for these engines.

On the 1.6‑litre G16A SOHC four-cylinder found in many 1990 Vitaras, the head-gasket sits between the alloy cylinder head and the cast-iron block. Its job is threefold: seal high-compression combustion, keep engine oil where it should be, and keep coolant flowing only through the correct galleries. When it’s healthy, the engine runs sweet as