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 Seal Kit 26-33144A2 Oil Pan Gasket Kit 27-72479A5 Forward Gear Set 43-828072A2 / 43-878087A2 Gasket - Muffler Damper 6K8-14739-00