676-18-1946 Additional Details: - Fits: Chrysler Model 273, 318, 340 & 360 CID engines (1966-1986)
Use With: Interchanges/ReplacesBarrChrysler InboardMalloryOsco
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676-18-1934 Key Features: Additional Details: - For: Crusader GM Small Block V8 305-350cu.in. (Models 220 & 270)
- For: Crusader GM Big Block V8 454cu.in (Models CH350 and 454XL)
Use With: Interchanges/ReplacesBarrCrusaderMalloryOsco
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676-18-1973 Additional Details: - Fits: Most early Model 120hp Mercruiser applications
Use With: Interchanges/ReplacesBarrMalloryMercruiser Stern DriveOsco
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676-18-1974-1 Key Features: - Comes with 18-0897 gasket and brass plugs
Additional Details: - Fits: V-6 & V-8 applications 0° (3" O.D. Riser)
Use With: Interchanges/ReplacesBarrGLMMalloryMercruiser Stern DriveOscoList of Containing Parts | Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments | | 18-0897 | Barr
GLM
Mallory
Mercruiser Stern Drive
- 27-41813
- 27-860233
- 27-863724
Osco
| 1 | Exhaust Elbow Gasket |  | N/A |
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676-18-1978 Additional Details: - Application: V-8 inboard applications only
Use With: Interchanges/ReplacesBarrGLMMalloryMercruiser Stern Drive- 53779A1
- 53779A2
- 60427A2
- 76771A2
- 76771A3
Osco
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676-18-1922 Additional Details: - Fits: Most 140hp 3.0L (181 CID)
Use With: Interchanges/ReplacesGLMMalloryOMC Stern Drive- 0740120
- 3850799
- 910380
- 916096
- 987784
OscoVolvo Penta
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676-18-1970-2 Additional Details: - Fits: V-6 & V-8 applications, 15° (3" O.D.)
Use With: Interchanges/ReplacesBarrGLMMalloryMarine PowerMercruiser Stern DriveOscoList of Containing Parts | Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments | | 18-0897 | Barr
GLM
Mallory
Mercruiser Stern Drive
- 27-41813
- 27-860233
- 27-863724
Osco
| 1 | Exhaust Elbow Gasket | | N/A |
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676-18-1991 Key Features: Additional Details: - For: 3" (76.2mm) I.D. Exhaust Hose
Use With: Interchanges/ReplacesBarr
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676-18-1992-1 Key Features:
Additional Details:
- For: 3" (76.2mm) I.D. Exhaust Hose
Interchanges/ReplacesBarrMallory
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This Part has options, please click the button below to order.
676-18-1845 Key Features: Additional Details: - Fits: 2004 & newer MCM GM V-6 & V-8(305, 350 & 377 cid) eng. w/dry joint exh manifold (s/n 0W310000 & up)
- Fits: 2002 & newer MIE GM V-8 (350 & 377 cid) eng w/dry joint exh manifold (s/n 0M317000 & up)
Use With: Interchanges/ReplacesMercruiser Stern Drive
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676-18-1976-2 Key Features:
- Comes with 18-0897, 18-4203 & 18-4258
- Recommended for saltwater applications
Additional Details:
- Fits: MCM/MIE GM V-6 & V-8 with center rise outlet exhaust manifold (2002 & older)
Use With:
Interchanges/Replaces
Barr
GLM
HGE
Mallory
Mercruiser Stern Drive
- 44354A10
- 44354A13
- 44354A3
- 44354A9
- 807914A1
- 807988A03
- 807988A2
Osco
List of Containing Parts
| Sierra Item # |
OE/Competitor # |
Quantity |
Description |
Image |
Comments |
| 18-0897 |
Barr
- MC 20 99208
- MC47-27-41813
GLM
Mallory
Mercruiser Stern Drive
- 27-41813
- 27-860233
- 27-863724
Osco
|
1 |
Exhaust Elbow Gasket |
|
N/A |
| 18-8410 |
Mercruiser Stern Drive
|
4 |
Riser Bolt |
 |
N/A |
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676-18-1876 Key Features: - Fits: 170 (1974), 175 (1975-76), 190 (1974-76), 235 (1975-76)
Use With: Interchanges/ReplacesOMC Stern Drive
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676-18-1936 Additional Details: Use With: Interchanges/ReplacesGLMHGEVolvo PentaList of Containing Parts | Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments | | 18-2971-1 | Barr
GLM
Mallory
Osco
Volvo Penta
| 1 | Exhaust Manifold Gasket |  | N/A |
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676-18-1909-1 Key Features: - Fits many GM & Ford center rise manifolds
- 4" outlet 7°
Additional Details: Use With: Interchanges/ReplacesBarrGLMHGEMalloryOMC Stern Drive- 3850456
- 3855270
- 3856444
- 3857944
- 913784
OscoVolvo PentaList of Containing Parts | Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments | | 18-0943-2 | Barr
GLM
Mallory
OMC Inboard
OMC Stern Drive
- 351325
- 3850496
- 909786
- 913783
Osco
Volvo Penta
| 1 | Exhaust Elbow Gasket |  | N/A |
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676-18-1927 Additional Details: - Size: 4" or 101.6mm
- For: Crusader GM Small Block V8 305-350cu.in. (Models 220 & 270)
- For: Crusader GM Big Block V8 454cu.in (Models CH350 and 454XL)
Use With: Interchanges/ReplacesBarrCrusaderMalloryOsco
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676-18-1916 Additional Details: - Size: 8" or 203.2mm
- For: Crusader GM Small Block V8 305-350cu.in. (Models 220 & 270)
- For: Crusader GM Big Block V8 454cu.in (Models CH350 and 454XL)
Use With: Interchanges/ReplacesBarrCrusaderMalloryOsco
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676-18-1907 Key Features: - For use with 3" I.D. exhaust hose
Additional Details: - Material: Cast Iron
- For: Ford Small Block V8 302-351 cu. in.
Use With: Interchanges/ReplacesBarrGLMIndmarMalloryOsco
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676-18-1939 Key Features: - Ford Small Block V8 302-351 cu. in.
- GM Small Block V8 305-350 cu. in.
- GM Big Block V8 454 cu. in.
Additional Details: - Material: Cast Iron
- Use: With 4" I.D. exhaust hose
Use With: Interchanges/ReplacesBarrGLMMalloryMarine PowerOsco
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