Porsche 92810557101, 92810557104 Pulley Guide Roller Idler by INA.
IMA p/n: 532004610, for 32 Valve engine in Porsche 928
Width: 28 mm, Diameter 46 mm
Type: Deflection/Guide Pulley, for Timing Belt
Fits Makes: Porsche 928, 32 Valve (1984- in US, 1986- in Europe/ROW)
OE Part Number: 92810557101 or 92810557104