Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
18-3877 | Chris-Craft Crusader GLM Mallory Mercruiser Stern Drive
- 27-13218
- 27-13687
- 27-19315
- 27-49104
- 27-61224
- 27-8M0049045
- 27-97529
OMC Stern Drive
| 2 | Head Gasket | | |
18-0464 | GLM Mallory Mercruiser Stern Drive OMC Stern Drive
| 2 | Valve Cover Gasket | | |
18-2917 | GLM GM Mallory Mercruiser Stern Drive
- 27-33179
- 27-53045
- 27-530451
- 27-53045B1
- F10077105
- FI1101276
- FI1101291
- FI5000096
OMC Inboard OMC Stern Drive
| 1 | Thermostat Gasket | | N/A |
18-2844 | Barr GLM Mallory Mercruiser Stern Drive
- 27-48818
- 27-488181
- 27-48818Q01
| 1 | Thermostat Gasket | | N/A |
18-0348 | GLM Mallory Mercruiser Stern Drive
- 27-49107
- 27-52550
- FI1100229
- FI5000229
- FI5000245
OMC Inboard
| 1 | Oil Pan Gasket Set | | N/A |
18-0980 | GLM Mercruiser Stern Drive
- 27-49109
- 27-54529
- FI1100990
- FI110990
OMC Inboard OMC Stern Drive
| 1 | Timing Cover Gasket | | N/A |
18-0903 | GLM Mallory Mercruiser Stern Drive OMC Stern Drive Volvo Penta Yamaha Sterndrive
| 2 | Water Pump Gasket | | |
18-0885-1 | Barr GLM Mercruiser Stern Drive
| 4 | Exhaust Elbow Gasket | | |
18-2832-1 | Barr GLM Mallory Mercruiser Stern Drive Osco
| 4 | Manifold End Cap Gasket | | |
18-0418 | Barr Crusader GLM Mallory Mercruiser Stern Drive OMC Inboard OMC Stern Drive Osco Volvo Penta
| 2 | Exhaust Manifold Mounting Gasket | | |
18-4022 | Mallory Mercruiser Stern Drive
- 26-49131
- 26-67863
- 26-75982
- 26-75988
- F3866612
- FI1100968
- FI1101117
| 16 | Valve Stem Seal | | |
18-2848 | GLM Mallory Mercruiser Stern Drive
- 27-52457
- 27-524571
- 27-524572
| 2 | Carburetor Base Gasket | | |
18-0897 | Barr GLM Mallory Mercruiser Stern Drive
- 27-41813
- 27-860233
- 27-863724
Osco
| 2 | Exhaust Elbow Gasket | | |
18-2849-1 | Barr GLM Mallory Mercruiser Stern Drive
- 27-818832
- 27-860232
- 27-863726
- 27-87105
- 27-871051
Osco
| 4 | Exhaust Elbow Gasket | | |
18-2554 | GLM Mallory Mercruiser Stern Drive
- 27-41812
- 27-41812B
- 27-41812Q
- 27-90556
Osco
| 2 | Thermostat Cover Gasket | | |