Porsche 928 Timing belt water pump & tensioner (32V)
928 · 1977–1995 · Engine · #5 most-needed for this chassis
OEM part number
92810503602 Engine Timing Belt Tensioner (928) · source: fcpeuro.comOE number as printed on the cited source. Numbers can vary by model year and market; confirm by VIN.
Why owners need it
Chassis-specific known weak point / high-demand repair item
Typical price seen: $200-$800 (USD, from research 2026-10-12; varies by brand and condition).
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Timing belt kit (belt, tensioner, idler)Water pumpThermostatRadiatorTorque tube bearingsCentral electrics/fuse panel rebuild & relaysHatch struts & door/hood liftsThrust bearing (auto, early S4) / flex plateIntake/injector seals & fuel lines (fire risk)Expansion tankUpper radiator hoseClutch kit (disc, pressure plate, release bearing)