Items Per Page:
Your Price:
$33.99 Impeller Kit
676-18-3214
Additional Details:
- For:: Alpha I - Generation II S/N D494569 & above
Interchanges/Replaces
GLM
- 12042
Honda Outboard
- 19021-ZW1-003
Mallory
- 9-48313
Mercury Marine
- 47-43026Q06
- 47-43026Q5
- 47-43026T10
- 47-43026T11
- 47-43026T6
- 47-43026T7
- 47-43026T8
- 47-43026T9
- 47-8M0100526
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2564 | Chrysler/Force/US Marine
| 1 | Impeller Gasket |  | N/A |
| 18-2565 | Chrysler/Force/US Marine
| 1 | Impeller Gasket |  | N/A |
| 18-2566 | Chrysler/Force/US Marine
| 1 | Impeller Gasket |  | N/A |
| 18-2944 | GLM
| 1 | Seal Ring Gasket |  | N/A |
| 18-3056 | Chrysler/Force/US Marine
| 1 | Impeller |  | N/A |
| 18-3122 | Chrysler/Force/US Marine
| 1 | Impeller Plate |  | N/A |
| 18-7420 | GLM
| 2 | O-Ring |  | N/A |
Your Price:
$5.99 Impeller Gasket
676-18-2565
Interchanges/Replaces
Chrysler/Force/US Marine
- 27-430472
GLM
- 30320
Honda Outboard
- 19242-ZW1-003
Mallory
- 9-60022
Mercury Marine
- 27-43047
- 27-430471
- 27-430472
Your Price:
$1.72 Impeller Gasket
676-18-2562
Additional Details:
- Fits: Mercury 18, 20, & 25
Interchanges/Replaces
Chrysler/Force/US Marine
- 27-993261
GLM
- 32360
Mallory
- 9-60038
Mercury Marine
- 27-99326
- 27-993261
Sears
- 27-993261
Your Price:
$83.99 Powerhead Gasket Set
676-18-4336
Additional Details:
- For: 70, 80, 90HP 3 cyl outboards
Interchanges/Replaces
GLM
- 39333
Mallory
- 9-64209
Mercury Marine
- 27-43004A86
- 27-43004A90
- 27-43004A99
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0182 | GLM
| 1 | Thermostat Gasket |  | N/A |
| 18-0320 | GLM
| 6 | Reed Block Gasket |  | N/A |
| 18-0324 | GLM
| 3 | Carburetor to Manifold Gasket |  | N/A |
| 18-0339 | GLM
| 1 | Thermostat Gasket |  | N/A |
| 18-0341 | Chrysler/Force/US Marine
| 1 | Exhaust Plate Gasket |  | N/A |
| 18-0670 | GLM
| 1 | Powerhead Base Gasket |  | N/A |
| 18-0858 | GLM
| 1 | O-Ring |  | N/A |
| 18-2563 | GLM
| 1 | Impeller Gasket |  | N/A |
| 18-2564 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2565 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2566 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2740 | GLM
| 1 | Cylinder Block Gasket |  | N/A |
| 18-2741 | GLM
| 2 | Exhaust Cover Plate Gasket |  | N/A |
| 18-2945 | Chrysler/Force/US Marine
| 3 | Drain Screw Gasket |  | N/A |
| 18-4261 | GLM
| 1 | Washer |  | N/A |
| 18-7105 | GLM
| 2 | O-Ring |  | N/A |
| 18-7164 | GLM
| 1 | O-Ring |  | N/A |
| 18-7167 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7198 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7414 | GLM
| 1 | O-Ring |  | N/A |
| 18-0970 | Chrysler/Force/US Marine
| 1 | Fuel Pump Base Gasket |  | N/A |
| 18-7817 | Chrysler/Force/US Marine
| 1 | Fuel Pump Kit |  | N/A |
| NSS | Mercury Marine
| 1 | O-Ring | No Image | N/A |
| NSS | Mercury Marine
| 1 | Grommet, Water Tube | No Image | N/A |
Your Price:
$177.99 Powerhead Gasket Set
676-18-4340
Additional Details:
- For: 80 Jet, 100Hp, 115Hp, & 125Hp 4 cyl outboards
Interchanges/Replaces
GLM
- 39331
Mallory
- 9-64211
Mercury Marine
- 27-13461A88
- 27-13461A89
- 27-13461A90
- 27-13461A99
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0182 | GLM
| 1 | Thermostat Gasket | | N/A |
| 18-0320 | GLM
| 8 | Reed Block Gasket | | N/A |
| 18-0324 | GLM
| 8 | Carburetor to Manifold Gasket | | N/A |
| 18-0339 | GLM
| 1 | Thermostat Gasket | | N/A |
| 18-0341 | Chrysler/Force/US Marine
| 1 | Exhaust Plate Gasket | | N/A |
| 18-0670 | GLM
| 1 | Powerhead Base Gasket | | N/A |
| 18-0858 | GLM
| 1 | O-Ring | | N/A |
| 18-0970 | Chrysler/Force/US Marine
| 1 | Fuel Pump Base Gasket | | N/A |
| 18-2563 | GLM
| 1 | Impeller Gasket | | N/A |
| 18-2564 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2565 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2566 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2610 | GLM
| 1 | Outer Exhaust Plate Gasket |  | N/A |
| 18-2611 | GLM
| 1 | Inner Exhaust Plate Gasket |  | N/A |
| 18-2621 | GLM
| 2 | Baffle Plate Gasket |  | N/A |
| 18-2943 | GLM
| 1 | Cylinder Block Gasket |  | N/A |
| 18-2945 | Chrysler/Force/US Marine
| 3 | Drain Screw Gasket | | N/A |
| 18-4261 | GLM
| 1 | Washer | | N/A |
| 18-7105 | GLM
| 1 | O-Ring | | N/A |
| 18-7198 | Chrysler/Force/US Marine
| 1 | O-Ring | | N/A |
| 18-7414 | GLM
| 1 | O-Ring | | N/A |
| 18-7817 | Chrysler/Force/US Marine
| 1 | Fuel Pump Kit | | N/A |
| 18-7961 | Mallory
| 1 | O-Ring |  | N/A |
| 18-2942 | GLM
| 2 | Gasket |  | N/A |
| NSS | Mercury Marine
| 1 | Grommet | No Image | N/A |
| NSS | Mercury Marine
| 1 | O-Ring | No Image | N/A |
| NSS | Mercury Marine
| 1 | Seal, Water Tube | No Image | N/A |
Your Price:
$2.99 Impeller Gasket
676-18-2560
Interchanges/Replaces
Chrysler/Force/US Marine
- 12-866451
GLM
- 31210
Mallory
- 9-72009
Mercruiser Stern Drive
- 12-866451
Mercury Marine
- 12-86645
- 12-86645 1
- 12-8M0027721
Your Price:
$50.99 Lower Unit Seal Kit
676-18-2626
Additional Details:
- Fits: Mercury/Mariner 100/115/125 hp 2-cycle O/B (0B209468 & newer) w/ either a 3 or 6 jaw reverse clutch
Interchanges/Replaces
Chrysler/Force/US Marine
- 26-43035A4
GLM
- 87590
Mallory
- 9-74200
Mercury Marine
- 26-43035A1
- 26-43035A2
- 26-43035A3
- 26-43035A4
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0522 | Chrysler/Force/US Marine
| 1 | Drive Shaft Oil Seal |  | N/A |
| 18-0583 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-2002 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-2053 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-2054 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-2563 | GLM
| 1 | Impeller Gasket | | N/A |
| 18-2564 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2565 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2566 | Chrysler/Force/US Marine
| 1 | Impeller Gasket | | N/A |
| 18-2945 | Chrysler/Force/US Marine
| 3 | Drain Screw Gasket | | N/A |
| 18-4261 | GLM
| 1 | Washer | | N/A |
| 18-7188 | Mallory
| 1 | O-Ring |  | N/A |
| 18-7198 | Chrysler/Force/US Marine
| 1 | O-Ring | | N/A |
| 18-7961 | Mallory
| 1 | O-Ring | | N/A |
| 18-0568-9 | Chrysler/Force/US Marine
| 1 | Insulator Bushing (Priced Per Pkg of 4) |  | N/A |
| NSS | Mercury Marine
| 1 | Water Tube Seal | No Image | N/A |
| NSS | Mercury Marine
| 1 | Water Tube Seal | No Image | N/A |
Your Price:
$56.99 Lower Unit Seal Kit
676-18-2624
Interchanges/Replaces
Chrysler/Force/US Marine
- 26-85090A2
GLM
- 87808
Mallory
- 9-74205
Mercury Marine
- 26-85090A2
Sears
- 26-85090A2
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0579 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-0580 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-0586 | Chrysler/Force/US Marine
| 2 | Oil Seal |  | N/A |
| 18-2560 | Chrysler/Force/US Marine
| 2 | Impeller Washer Gasket |  | N/A |
| 18-2562 | Chrysler/Force/US Marine
| 1 | Impeller Gasket |  | N/A |
| 18-2742 | Chrysler/Force/US Marine
| 1 | Shift Shaft Boot |  | N/A |
| 18-2945 | Chrysler/Force/US Marine
| 2 | Drain Screw Gasket | | N/A |
| 18-7100 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7135 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7188 | Mallory
| 2 | O-Ring | | N/A |
| 18-7419 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7956 | Chrysler/Force/US Marine
| 1 | O-Ring (Pkg. of 5) |  | N/A |
| 9-43634 | Mercury Marine
| 1 | SLINGER GASKET |  | N/A |
| NSS | Mercury Marine
| 1 | O-Ring | No Image | N/A |
| NSS | Mercury Marine
| 4 | Bushing | No Image | N/A |
| NSS | Mercury Marine
| 1 | Water Tube Seal | No Image | N/A |
Your Price:
$38.99 Lower Unit Seal Kit
676-18-2697-1
Interchanges/Replaces
Chrysler/Force/US Marine
- 26-41365A3
GLM
- 87576
Mallory
- 9-74210
Mercury Marine
- 26-41365A1
- 26-41365A2
- 26-41365A3
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0581 | Chrysler/Force/US Marine
| 2 | Oil Seal |  | N/A |
| 18-0584 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-0585 | Chrysler/Force/US Marine
| 1 | Oil Seal |  | N/A |
| 18-0586 | Chrysler/Force/US Marine
| 1 | Oil Seal | | N/A |
| 18-2945 | Chrysler/Force/US Marine
| 2 | Drain Screw Gasket | | N/A |
| 18-4261 | GLM
| 1 | Washer | | N/A |
| 18-7162 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-2728 | Chrysler/Force/US Marine
| 1 | Water Tube Seal |  | N/A |
| 18-2558 | GLM
| 1 | Impeller Gasket |  | N/A |
| 18-2559 | Chrysler/Force/US Marine
| 1 | Impeller Gasket |  | N/A |
| NSS | Mercury Marine
| 1 | Water Pump Base | No Image | N/A |
Your Price:
$29.99 Tapered Roller Bearing
676-18-1165
Additional Details:
- Fits: MC-I, R, MR, Alpha One, SS & Gen II (0F679999 & Below)
Interchanges/Replaces
GLM
- 21510
Mallory
- 9-75117
Mercruiser Stern Drive
- 31-61100A1
Your Price:
$96.99 Upper Drive Unit Cap
676-18-2381
Additional Details:
- For: s/n 6225577 & Later Alpha I, except Gen II
Interchanges/Replaces
GLM
- 28400
Mallory
- 9-78121
Mercruiser Stern Drive
- 94998A1
- 94998A2
- 94998A3
- 94998A4
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2283 | GLM
| 1 | Shim Set |  | N/A |
| 18-1165 | GLM
| 1 | Tapered Roller Bearing |  | N/A |
Your Price:
$547.99 Upper Gear Kit
676-18-2256
Additional Details:
- Ratio: 1.50:1
- Fits: R, MR, Alpha One & SS (1983-1990)
- Drive Gear: 22 teeth
- Driven Gear: 20 teeth
Interchanges/Replaces
GLM
- 11215
Mallory
- 9-79202
Mercruiser Stern Drive
- 43-803116T1
- 43-803117T1
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-1142 | GLM
| 1 | Upper Pinion Bearing |  | N/A |
| 18-1160 | GLM
| 1 | Drive Bearing Kit |  | N/A |
| 18-1165 | GLM
| 1 | Tapered Roller Bearing | | N/A |
| 18-2201 | GLM
| 1 | Upper Unit Gear Set |  | N/A |
| 18-2619-1 | GLM
| 1 | Outdrive Gasket Set |  | N/A |
| 18-2648 | GLM
| 1 | Upper Unit Seal Kit |  | N/A |
| 18-2820 | Mercruiser Stern Drive
| 1 | Outdrive Gasket |  | N/A |