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Your Price:
$298.99 Manifold
676-18-1952-1
Key Features:
- Supplied with mounting package
- Port & Starboard
Additional Details:
- Fits: MCM GM V-6 (229 & 262 cid) engines (1985-2002)
Use With:
- 18-2909: Exhaust Manifold Gasket
- 18-8533: Exhaust Manifold Mounting Kit
- 18-1908: Manifold Riser Spacer
- 18-1908K: Manifold Riser Spacer Kit
- 18-1985: Manifold Spacer
- 18-2849-1: Exhaust Elbow Gasket
- 18-2909-9: Exhaust Manifold Gasket (Priced Per Pkg of 2)
- 18-8554: Exhaust Elbow Mounting Kit
- 18-8555: Exhaust Elbow Mounting Kit
- 18-8556: Exhaust Elbow Mounting Kit
- 18-0672: Exhaust Elbow Gasket
- 18-0897: Exhaust Elbow Gasket
- 18-1970-2: Riser Elbow
- 18-1976-2: Manifold Elbow
Interchanges/Replaces
Barr
- MC-1-99746
GLM
- 51220
HGE
- 9746
Mallory
- 9-40505
Marine Power
- 611447
Mercruiser Stern Drive
- 99746A17
- 99746A3
- 99746A8
Osco
- 9745
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-4224 | GLM
| 1 | Drain Elbow Assembly |  | N/A |
| 18-2909 | Barr
| 1 | Exhaust Manifold Gasket |  | N/A |
| 18-0897 | Barr
| 1 | Exhaust Elbow Gasket |  | N/A |
Your Price:
$147.99 Manifold Riser Spacer
676-18-1908
Additional Details:
- Size: 3"
- For: Mercruiser GM V6 229 & 262cu.in (Models 185 & 205)
- For: Mercruiser GM Small block V8 305-350cu.in. (Models 200, 228, 230, 260 & 898)
- For: Mercruiser GM Big Block V8 454cu,in (Models 330, 340 & 7.4L)
Use With:
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-8554: Exhaust Elbow Mounting Kit
- 18-8555: Exhaust Elbow Mounting Kit
- 18-8556: Exhaust Elbow Mounting Kit
- 18-0672: Exhaust Elbow Gasket
- 18-0897: Exhaust Elbow Gasket
- 18-2849-1: Exhaust Elbow Gasket
- 18-1957-2: Manifold
- 18-1970-2: Riser Elbow
- 18-1976-2: Manifold Elbow
Interchanges/Replaces
Barr
- MC-20-93320A3
Mallory
- 9-40530
Mercruiser Stern Drive
- 93320
Osco
- 3320
Your Price:
$24.99 Exhaust Manifold Mounting Kit
676-18-8533
Additional Details:
- For: Mercruiser GM 229 & 262 cu. in. (models 185 & 205)
Use With:
- 18-1952-1: Manifold
Interchanges/Replaces
GLM
- 32175
Mallory
- 9-40576
Osco
- 9745-MK
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2909 | Barr
| 1 | Exhaust Manifold Gasket | | N/A |
| NSS | Mercruiser Stern Drive
| 6 | Screw | No Image | N/A |
Your Price:
$44.99 Exhaust Elbow Mounting Kit
676-18-8554
Additional Details:
- For: 229 & 262 ci V-6, 305 & 350 SB V-8, 454 Big Block V-8
Use With:
- 18-1906: Manifold Spacer
- 18-1908: Manifold Riser Spacer
- 18-1908K: Manifold Riser Spacer Kit
- 18-1951-1: Manifold
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1971: Elbow
- 18-1978: Elbow
- 18-2849-1: Exhaust Elbow Gasket
- 18-1970-2: Riser Elbow
- 18-1957-2: Manifold
Interchanges/Replaces
GLM
- 53330
Mallory
- 9-40582
Osco
- 3320-MK
- 6371-MK-SP
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0897 | Barr
| 1 | Exhaust Elbow Gasket | | N/A |
| 18-2849-1 | Barr
| 1 | Exhaust Elbow Gasket |  | N/A |
Your Price:
$58.99 Exhaust Elbow Mounting Kit
676-18-8555
Additional Details:
- For: 229 & 262 ci V-6, 305 & 350 SB V-8, 454 Big Block V-8
Use With:
- 18-1908: Manifold Riser Spacer
- 18-1908K: Manifold Riser Spacer Kit
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1957-2: Manifold
- 18-1976-2: Manifold Elbow
Interchanges/Replaces
GLM
- 53430
Mallory
- 9-40583
Osco
- 3320-MK-X
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0897 | Barr
| 1 | Exhaust Elbow Gasket | | N/A |
| 18-2849-1 | Barr
| 1 | Exhaust Elbow Gasket | | N/A |
Your Price:
$5.99 Exhaust Elbow Gasket
676-18-0897
Additional Details:
- For: Standard cooling, restrictor gasket
- Fits: 1981-1997 GM V-6 & V-8 Engines with center rise outlet exhaust manifold
Use With:
- 18-1908: Manifold Riser Spacer
- 18-1974-1: Elbow
- 18-8556: Exhaust Elbow Mounting Kit
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1958-1: Manifold
- 18-1962-1: Manifold
- 18-1985: Manifold Spacer
- 18-1976-2: Manifold Elbow
- 18-1957-2: Manifold
- 18-1970-2: Riser Elbow
Interchanges/Replaces
Barr
- MC 20 99208
- MC47-27-41813
GLM
- 30240
Mallory
- 9-61413
Mercruiser Stern Drive
- 27-41813
- 27-860233
- 27-863724
Osco
- 8503-GR
Your Price:
$9.99 Exhaust Elbow Gasket
676-18-0672
Additional Details:
- For: Closed cooling
- Fits: GM V-6 & V-8 with center rise outlet exhaust manifold
Use With:
- 18-1908: Manifold Riser Spacer
- 18-1974-1: Elbow
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1976-2: Manifold Elbow
- 18-1957-2: Manifold
- 18-1970-2: Riser Elbow
Interchanges/Replaces
Barr
- MC 20 87918
- MC-47-27-41811
GLM
- 30220
Mallory
- 9-61422
Mercruiser Stern Drive
- 27-41811
- 27-860231
- 27-863725
- 27-8637251
Osco
- 8503-GB
Your Price:
$21.99 Exhaust Elbow Gasket (Priced Per Pkg of 2)
676-18-0672-9
Additional Details:
- For: Closed cooling
- Fits: GM V-6 & V-8 with center rise outlet exhaust manifold
Use With:
- 18-1970-2: Riser Elbow
- 18-1976-2: Manifold Elbow
- 18-1908: Manifold Riser Spacer
- 18-1974-1: Elbow
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1957-2: Manifold
Interchanges/Replaces
Barr
- MC 20 87918
GLM
- 30220
Mercruiser Stern Drive
- 27-41811
- 27-860231
- 27-863725
- 27-8637251
Osco
- 8503-GB
Your Price:
$19.99 Exhaust Elbow Gasket (Priced Per Pkg Of 2)
676-18-2849-9-1
Additional Details:
- For: Standard cooling, full flow 4 slot gasket
- Fits: 1998-2001 Gm V-6 & V-8 with center rise outlet exhaust manifold
Use With:
- 18-1908: Manifold Riser Spacer
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1958-1: Manifold
- 18-1962-1: Manifold
- 18-1974-1: Elbow
- 18-1976-2: Manifold Elbow
- 18-1985: Manifold Spacer
- 18-8554: Exhaust Elbow Mounting Kit
- 18-1957-2: Manifold
- 18-1970-2: Riser Elbow
Interchanges/Replaces
Barr
- MC 47 27 87105
GLM
- 32080
Mallory
- 9-61414
Mercruiser Stern Drive
- 27-818832
- 27-860232
- 27-863726
- 27-87105
- 27-871051
Osco
- 8503-GO
Your Price:
$18.99 Exhaust Manifold Gasket (Priced Per Pkg of 2)
676-18-2909-9
Key Features:
- GM V-6
Additional Details:
- Used with: 18-1952-1 manifold
Use With:
Interchanges/Replaces
Barr
- MC47-27-99757
Crusader
- 97498
GLM
- 32170
Mallory
- 9-61421
Mercruiser Stern Drive
- 27-99757
OMC Stern Drive
- 3853412
- 910157
- 915025
Osco
- CS-GH
Volvo Penta
- 3853412
- 856116
Yamaha Sterndrive
- YSC-12190-00-AC
Your Price:
$402.99 Manifold Riser Spacer Kit
676-18-1908K
Key Features:
- Packaged as a set, complete with mounting hardware
- 3" Riser Kit
Additional Details:
- Fits: MCM V-6 carb & TBI eng. w/ 2 piece exhaust manifolds (s/n 0M614999 & below)
Use With:
- 18-1952-1: Manifold
- 18-8554: Exhaust Elbow Mounting Kit
- 18-8555: Exhaust Elbow Mounting Kit
- 18-1953-2: Manifold
- 18-1957-2: Manifold
Interchanges/Replaces
GLM
- 50310
Mercruiser Stern Drive
- 807476A6
- 93320A13
- 93320A2
- 93320A3
- 93320A5
- 93320A6
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-1908 | Barr
| 2 | Manifold Riser Spacer |  | N/A |
| 18-4258 | Crusader
| 2 | Pipe Plug |  | N/A |
| 18-4263 | Chrysler/Force/US Marine
| 2 | Pipe Plug |  | N/A |
| 18-2849-1 | Barr
| 2 | Exhaust Elbow Gasket | | N/A |
| 18-0897 | Barr
| 2 | Exhaust Elbow Gasket | | N/A |
| 18-0672 | Barr
| 2 | Exhaust Elbow Gasket |  | N/A |
| NSS | Mercruiser Stern Drive
| 8 | Lockwasher | No Image | N/A |
Your Price:
$240.99 Elbow
676-18-1970-2
Additional Details:
- Fits: V-6 & V-8 applications, 15° (3" O.D.)
Use With:
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1957-2: Manifold
- 18-0897: Exhaust Elbow Gasket
- 18-2849-1: Exhaust Elbow Gasket
- 18-8529: Exhaust Elbow Mounting Kit
Interchanges/Replaces
Barr
- MC-20-98504
GLM
- 51110
Mallory
- 9-40557
Marine Power
- 0992-115
Mercruiser Stern Drive
- 95755A2
- 98503A2
- 98504A3
Osco
- 8503A
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0897 | Barr
| 1 | Exhaust Elbow Gasket | | N/A |