Products MercuryGasket (Kit) / Seal Kit / Diaphragm /Plate Back Timing Chain Gasket set 27-42457A1 Item number: 27-42457A1 Similar numbers: MALLORY: 9-61040 Fit on: Mercruiser 175/ 185 / 205 HP V6 Inboard You May Also Be Interested In Drive Gasket Set 27-94996Q2 / 27-64818A3 / 27-94996T2 Oil Pan Gasket Kit 27-72479A5 Oil Seal 26-12224 / 12224 Key, Woodruff 90280-05013