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Your Price:
$394.99 Manifold
676-18-1958-1
Key Features:
- Supplied with mounting package
- Port Side
Additional Details:
- Fits: MCM/MIE Ford V-8 engines (1977 & older)
Use With:
- 18-1906: Manifold Spacer
- 18-1971: Elbow
- 18-1978: Elbow
- 18-4008: Block Off Plate
- 18-4009: Manifold End Plate
- 18-0897: Exhaust Elbow Gasket
- 18-2849-1: Exhaust Elbow Gasket
- 18-0183-1: Exhaust Manifold Gasket
- 18-2832-1: Manifold End Cap Gasket
Interchanges/Replaces
Barr
- MC-1-65604
GLM
- 51250
Mallory
- 9-40502
Mercruiser Stern Drive
- 54100A1
- 54100A5
- 65604A12
- 65604A4
Osco
- 5604
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-4263 | Chrysler/Force/US Marine
| 1 | Pipe Plug |  | N/A |
| 18-0183-1 | Barr
| 1 | Exhaust Manifold Gasket |  | N/A |
| 18-2832-1 | Barr
| 2 | Manifold End Cap Gasket |  | N/A |
| 18-2833 | Barr
| 1 | Exhaust Elbow Gasket |  | N/A |
Your Price:
$362.99 Manifold
676-18-1902
Key Features:
- GM Small Block (V8) 305-350 cu.in. (1979-1989) (Starboard)
- V-8 Starboard Side
Use With:
- 18-2949: Exhaust Manifold Gasket
- 18-8502: Exhaust Manifold Mounting Kit
- 18-1921: Manifold Elbow
- 18-2902-1: Exhaust Manifold Gasket
- 18-2902-1-9: Exhaust Manifold Gasket (Priced Per Pkg of 2)
Interchanges/Replaces
Barr
- OMC-1-912441
GLM
- 51410
Mallory
- 9-40602
OMC Stern Drive
- 912441
Osco
- 2441
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0943-2 | Barr
| 1 | Exhaust Elbow Gasket |  | N/A |
| 18-2949 | Barr
| 1 | Exhaust Manifold Gasket |  | N/A |
| 18-710-20-2 | Mercruiser Stern Drive
| 1 | Hose Clamp-13/16 TO 1-3/4 |  | N/A |
| 18-0550 | GLM
| 1 | Plug Off Cap |  | N/A |
Your Price:
$335.99 Manifold
676-18-1932
Additional Details:
- Material: CAST IRON
- For: Port & Starboard
Use With:
- 18-2909: Exhaust Manifold Gasket
- 18-1936: Riser
- 18-2909-9: Exhaust Manifold Gasket (Priced Per Pkg of 2)
- 18-2971: Exhaust Manifold Gasket
Interchanges/Replaces
GLM
- 51640
HGE
- 6894
Volvo Penta
- 856894
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2971-1 | Barr
| 1 | Exhaust Manifold Gasket |  | N/A |
| 18-2909 | Barr
| 1 | Exhaust Manifold Gasket |  | N/A |
Your Price:
$69.99 Manifold End Plate
676-18-4009
Use With:
- 18-1950-1: Manifold
- 18-1951-1: Manifold
- 18-1958-1: Manifold
- 18-1960-1: Manifold
- 18-1962-1: Manifold
- 18-8512: Exhaust Manifold Mounting Kit
- 18-1954-1: Manifold
- 18-1955-1: Manifold
- 18-1956-3: Manifold
- 18-2832-1: Manifold End Cap Gasket
Interchanges/Replaces
Barr
- 160252
GLM
- 51010
Mallory
- 9-40541
Mercruiser Stern Drive
- 52999
- 60252
- 60252A2
Osco
- 60252
Your Price:
$299.99 Riser w/ Exhaust Tube
676-18-1975-1
Additional Details:
- Fits: Late model Mercruiser 4 cylinder engines
- Fits: MCM 2.5L & 3.0L/LX (1982 & newer)
Use With:
- 18-1901: Manifold
- 18-1954-1: Manifold
- 18-1955-1: Manifold
- 18-2748: Exhaust Boot
- 18-2833: Exhaust Elbow Gasket
- 18-8551: Hardware Kit [Exhaust Elbow Bolts]
- 18-2819-1: Exhaust Elbow Gasket
- 18-1956-3: Manifold
Interchanges/Replaces
Barr
- MC-20-12076
GLM
- 51160
Mallory
- 9-40555
Marine Power
- 6000-33A
Mercruiser Stern Drive
- 12076A1
- 12076A2
- 95864A2
Osco
- 2076
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2748 | GLM
| 1 | Exhaust Boot |  | N/A |
| 18-2833 | Barr
| 1 | Exhaust Elbow Gasket | | N/A |
| 18-710-72-2 | Mercruiser Stern Drive
| 4 | Hose Clamp-4-1/16 TO 5 | | N/A |
| 18-8551 | GLM
| 1 | Hardware Kit [Exhaust Elbow Bolts] |  |
Your Price:
$64.99 Exhaust Manifold Mounting Kit
676-18-8502
Key Features:
- OMC GM Small block V8 305-350 cu. in. (1979-89)
- OMC/Volvo GM Small Block 305-350 cu. in.
Use With:
Interchanges/Replaces
Mallory
- 9-40671
Osco
- 244-MK
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2949 | Barr
| 1 | Exhaust Manifold Gasket | | N/A |
| 18-3720 | GLM
| 6 | Stainless Steel Locknut |  |
Your Price:
$29.99 Exhaust Manifold Mounting Kit
676-18-8503
Additional Details:
- For: Pleasurecraft Ford Small Block V8 302 and 351 cu.in.
Use With:
- 18-1996: Manifold
Interchanges/Replaces
Mallory
- 9-40870
Osco
- 28001-MK
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0183-1 | Barr
| 1 | Exhaust Manifold Gasket | | N/A |
Your Price:
$17.99 Exhaust Manifold Mounting Gasket
676-18-0418
Additional Details:
- Fits: MCM/MIE GM V-8 (454, 482, 496, 502 & 540 cid) engines
- Fits: Volvo 7.4L, GL, GI, GSI, and 8.2L, GL, GI, GSI
Use With:
Interchanges/Replaces
Barr
- CHVA470000
- MC47-27-46820
Crusader
- 96653
GLM
- 33760
Mallory
- 9-61400
Mercruiser Stern Drive
- 27-46820
OMC Inboard
- 909613
OMC Stern Drive
- 3852472
- 909613
Osco
- CW-GH
Volvo Penta
- 3852472
Your Price:
$28.99 Exhaust Manifold Gasket
676-18-2949
Additional Details:
- Fits: MCM/MIE GM V-8 (283, 305, 350 & 377 cid) engines
Use With:
- 18-1902: Manifold
- 18-1903: Manifold
- 18-1925: Manifold
- 18-1926: Manifold
- 18-1931-1: Manifold
- 18-1951-1: Manifold
- 18-1986-1: Manifold
- 18-1997-1: Manifold
- 18-1950-1: Manifold
- 18-1953-2: Manifold
- 18-8502: Exhaust Manifold Mounting Kit
Interchanges/Replaces
Barr
- CHV-47-000
- MC 47 27 33395
Crusader
- 96306
GLM
- 31100
Mercruiser Stern Drive
- 27-33395
- 27-33395B
Osco
- CV-GH
Volvo Penta
- 835966
- 856034