Items Per Page:
4 Results (Viewing 1 - 4 of 4)
676-18-1898
Key Features:
Additional Details:
- Material: Cast Iron
- Fits: 454 cu. in. GM Big Block V8 Engines
Use With:
Interchanges/Replaces
Barr
GLM
Mallory
Marine Power
Osco
676-18-1997-1
Key Features:
Additional Details:
- Material: Cast Iron
- Type: Universal center riser manifold
- Fits: Crusader GM 283 & 327 CID Engines thru 1964
- Fits: Crusader GM 305, 307, & 350 CID Engines 1965 and later
- Fits: Chris-Craft 283, 302, 307 & 350 CID Engines
- Fits: Mercruiser GM 283, 305, 307, 350 CID Engines
- Fits: OMC 283, 305, 307 & 350 CID engines 1968-1980
- Fits: Volvo 307 & 350 CID engines
- Fits: Pleasurecraft GM 283, 305, 307 & 350 CID Engines
Use With:
Interchanges/Replaces
Barr
GLM
HGE
Mallory
Osco
List of Containing Parts
Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
18-2854-1 | Barr GLM Mallory Osco
| 1 | Exhaust Elbow Gasket |  | N/A |
18-2949 | Barr Crusader GLM Mercruiser Stern Drive Osco Volvo Penta
| 1 | Exhaust Manifold Gasket |  | N/A |
676-18-1949
Key Features:
- Ford small block V8 302-351 cu.in.
- GM Big Block V8 454 cu.in.
- GM Small Block 305-350 cu.in
Additional Details:
Use With:
Interchanges/Replaces
Barr
GLM
Mallory
Osco
676-18-4258
Additional Details:
- Material: Stainless Steel with square drive
- Thread Size: 3/4" or 19.1mm - 14 NPT
- Note: Pipe sealant with Teflon is recommended for use on plug threads
Use With:
- 18-1949: Manifold Spacer
- 18-1984: Manifold Spacer
- 56507: Loctite Pipe Sealant (PST 6ml w/ Teflon)
Interchanges/Replaces
Crusader
GLM
Mallory
Mercruiser Stern Drive
- 22-33198
- 22-33198A1
- 22-41622
- 22-46754
Osco
4 Results (Viewing 1 - 4 of 4)