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Oil cooler Volvo B230ET/FT/GT (1988-91)

High oil temperatures and oil traces around the cooling circuit are common inspection points on turbocharged B230 engines in the 740/760/780, where the boost pressure raises the heat in the oil more than on the naturally aspirated engines. This category gathers the parts belonging to the oil cooling on ET/FT/GT 1988-91 – not a single product, but the families needed when the circuit is to be sealed and serviced.

The group includes oil filter, O-rings, clutch nuts, washers, cones and flange screws. A typical wear point is precisely the seals: a dry or hardened O-ring at the connections should be checked at every major service, since even a small leak can soil the engine bay and lower the oil pressure. Always check that the thread and cone seat on nuts and flange screws match the version of your specific B230 before installation.

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