| Sierra Item # |   OE/Competitor # |   Quantity |   Description |   Image |   Comments |   
  | 18-0462 | GLM Mallory Mercruiser Stern Drive
  | 1 | Carburetor Mounting Gasket |    | N/A | 
| 18-0463 | Mercruiser Stern Drive
  | 1 | Carburetor Mounting Gasket |    | N/A | 
| 18-0518 | Mercruiser Stern Drive OMC Stern Drive Volvo Penta
  | 16 | Valve Stem Seal |    | N/A | 
| 18-0664 | GLM Mallory Mercruiser Stern Drive OMC Stern Drive Volvo Penta
  | 2 | Valve Cover Gasket |    | N/A | 
| 18-0868 | Chris-Craft GLM Mallory Mercruiser Stern Drive
 - 27-17145
 - 27-72637
 - FI1101296
 - FI5000232
 - FI5000263
  OMC Stern Drive Volvo Penta
  | 1 | Intake Manifold Gasket Set |    | N/A | 
| 18-0994 | Barr GLM Mallory Mercruiser Stern Drive
 - 27-70143
 - 27-701431
 - 27-70143B1
 - 27-807982
 - 27-8079821
 - 27-807982B
 
  | 1 | Carburetor Mounting Gasket |    | N/A | 
| 18-3876 | Chris-Craft Crusader GLM GM Mallory Mercruiser Stern Drive
 - 27-34278
 - 27-48330
 - 27-75611
 - 27-75611001
  OMC Stern Drive
 - 313201
 - 3853380
 - 910089
 - 914971
  Volvo Penta
  | 2 | Head Gasket |    |  | 
| 18-4024 | Mallory Mercruiser Stern Drive
 - 26-8M0050563
 - 26-97664
 - 26-976641
 - FI1101200
  OMC Stern Drive Volvo Penta
  | 8 | Intake Valve Stem Seal |    | N/A |