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Best Seller
Sierra International Trim Pump Assembly 18-6770

Sierra International Trim Pump Assembly 18-6770

Sierra International Trim Pump Assembly 18-6770. 5" bolt centers and fine threads. It is interchangeable with Arco 6227 MES T1089M and Volvo Penta 3586765 854346. Each Sierra product meets or exceeds the original equipment part it replaces. Features... ... more

Sierra International Trim Pump Assembly 18-6770

Sierra International Trim Pump Assembly 18-6770. 5" bolt centers and fine threads. It is interchangeable with Arco 6227 MES T1089M and Volvo Penta 3586765 854346. Each Sierra product meets or exceeds the original equipment part it replaces. Features...

Optics Planet

$753.30

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Sierra International 1-8-1-950-1- Manifold 18-1950-1

Sierra International 1-8-1-950-1- Manifold 18-1950-1

Sierra International 1-8-1-950-1- Manifold 18-1950-1. Designed to be interchangeable with the following: GLM 51237 Mallory 9-40503 Mercruiser 77234A2 77234A7 Osco 7234B. Each Sierra product meets or exceeds the original equipment part it replaces.... ... more

Sierra International 1-8-1-950-1- Manifold 18-1950-1

Sierra International 1-8-1-950-1- Manifold 18-1950-1. Designed to be interchangeable with the following: GLM 51237 Mallory 9-40503 Mercruiser 77234A2 77234A7 Osco 7234B. Each Sierra product meets or exceeds the original equipment part it replaces....

Optics Planet

$621.10

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Best Seller
Sierra International 1-8-1-996 Manifold 18-1996

Sierra International 1-8-1-996 Manifold 18-1996

Sierra International 1-8-1-996 Manifold 18-1996. For: Pleasurecraft Ford Small Block V8 302 and 351 cu. in. For use with 18-8503 Exhaust Manifold Mounting Kit 18-1899 Riser 18-0183-1 Gasket Exhaust Manifold. Follow manufacturer recommendations and... ... more

Sierra International 1-8-1-996 Manifold 18-1996

Sierra International 1-8-1-996 Manifold 18-1996. For: Pleasurecraft Ford Small Block V8 302 and 351 cu. in. For use with 18-8503 Exhaust Manifold Mounting Kit 18-1899 Riser 18-0183-1 Gasket Exhaust Manifold. Follow manufacturer recommendations and...

Optics Planet

$537.19

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Sierra International U Joint Assembly 18-9218

Sierra International U Joint Assembly 18-9218

Sierra International U Joint Assembly 18-9218. The assembly kit contains: (1) Sierra 18-2128 Center Socket (2) Sierra 18-2174 U-Joint Cross & Bearings (Heavy Duty) (1) Sierra 18-2146 Yoke (1) Sierra 18-2125 Yoke (1) Sierra 18-7117 O-Ring and (2)... ... more

Sierra International U Joint Assembly 18-9218

Sierra International U Joint Assembly 18-9218. The assembly kit contains: (1) Sierra 18-2128 Center Socket (2) Sierra 18-2174 U-Joint Cross & Bearings (Heavy Duty) (1) Sierra 18-2146 Yoke (1) Sierra 18-2125 Yoke (1) Sierra 18-7117 O-Ring and (2)...

Optics Planet

$723.96

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Sierra International Manifold For Mcm/Mie Gm V8 305/350/377 Cid Engines 1983 2002 18-1953-2

Sierra International Manifold For Mcm/Mie Gm V8 305/350/377 Cid Engines 1983 2002 18-1953-2

Sierra International Manifold For Mcm/Mie Gm V8 305/350/377 Cid Engines 1983 2002 18-1953-2. The manifold is supplied with gaskets and will fit port and starboard applications. It is ideally suited for freshwater applications. Interchangeable with... ... more

Sierra International Manifold For Mcm/Mie Gm V8 305/350/377 Cid Engines 1983 2002 18-1953-2

Sierra International Manifold For Mcm/Mie Gm V8 305/350/377 Cid Engines 1983 2002 18-1953-2. The manifold is supplied with gaskets and will fit port and starboard applications. It is ideally suited for freshwater applications. Interchangeable with...

Optics Planet

$439.74

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Sierra International Manifold With Mounting Package For MerCruiser/Marine Power/Barr Mc 18-1956-3

Sierra International Manifold With Mounting Package For MerCruiser/Marine Power/Barr Mc 18-1956-3

Sierra International Manifold With Mounting Package For MerCruiser/Marine Power/Barr Mc 18-1956-3. This manifold is designed for use with Mercruiser 2.5 and 3.5L engines (1983 to 1989). Replaces Mercruiser 860235A04 99798A16 99798A3 99798A9. Also... ... more

Sierra International Manifold With Mounting Package For MerCruiser/Marine Power/Barr Mc 18-1956-3

Sierra International Manifold With Mounting Package For MerCruiser/Marine Power/Barr Mc 18-1956-3. This manifold is designed for use with Mercruiser 2.5 and 3.5L engines (1983 to 1989). Replaces Mercruiser 860235A04 99798A16 99798A3 99798A9. Also...

Optics Planet

$628.68

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Sierra International HC5345-3 Seastar Front Mount Outboard Steering System HC5345-3

Sierra International HC5345-3 Seastar Front Mount Outboard Steering System HC5345-3

Sierra International HC5345-3 Seastar Front Mount Outboard Steering System HC5345-3. 7 standard system). They are intended for general purpose use with single and multiple engine capability whit typical applications including center console fishing... ... more

Sierra International HC5345-3 Seastar Front Mount Outboard Steering System HC5345-3

Sierra International HC5345-3 Seastar Front Mount Outboard Steering System HC5345-3. 7 standard system). They are intended for general purpose use with single and multiple engine capability whit typical applications including center console fishing...

Optics Planet

$1,017.19

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Sierra International Riser With Exhaust Tube For Late Model MerCruiser 4 Cylinder Engines 18-1975-1

Sierra International Riser With Exhaust Tube For Late Model MerCruiser 4 Cylinder Engines 18-1975-1

Sierra International Riser With Exhaust Tube For Late Model MerCruiser 4 Cylinder Engines 18-1975-1. This boat part manufactured by the experts at Sierra International is designed for use with late model 4-cylinder engines and MCM 2.5L and 3.0L/LX... ... more

Sierra International Riser With Exhaust Tube For Late Model MerCruiser 4 Cylinder Engines 18-1975-1

Sierra International Riser With Exhaust Tube For Late Model MerCruiser 4 Cylinder Engines 18-1975-1. This boat part manufactured by the experts at Sierra International is designed for use with late model 4-cylinder engines and MCM 2.5L and 3.0L/LX...

Optics Planet

$134.03

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Sierra International Manifold For Port And Starboard 18-1957-2

Sierra International Manifold For Port And Starboard 18-1957-2

Sierra International Manifold For Port And Starboard 18-1957-2. Ideally suited for freshwater applications. Fits most Mercruiser (GM) V-8 Big Blocks with a center riser. Can be used with Sierra's 18-0418 Exhaust Manifold Mounting Gasket 18-8532... ... more

Sierra International Manifold For Port And Starboard 18-1957-2

Sierra International Manifold For Port And Starboard 18-1957-2. Ideally suited for freshwater applications. Fits most Mercruiser (GM) V-8 Big Blocks with a center riser. Can be used with Sierra's 18-0418 Exhaust Manifold Mounting Gasket 18-8532...

Optics Planet

$516.13

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Sierra International 1-8-1-960-1- Manifold 18-1960-1

Sierra International 1-8-1-960-1- Manifold 18-1960-1

Sierra International 1-8-1-960-1- Manifold 18-1960-1. Each Sierra product meets or exceeds the original equipment part it replaces. Supplied with Mounting Package. Fits: Most Mercruiser (GM) in-line 6 cyl. engines. Features of Sierra International... ... more

Sierra International 1-8-1-960-1- Manifold 18-1960-1

Sierra International 1-8-1-960-1- Manifold 18-1960-1. Each Sierra product meets or exceeds the original equipment part it replaces. Supplied with Mounting Package. Fits: Most Mercruiser (GM) in-line 6 cyl. engines. Features of Sierra International...

Optics Planet

$1,338.06

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Sierra International Cast Iron Manifold For 4.3L V 6 18-1848

Sierra International Cast Iron Manifold For 4.3L V 6 18-1848

Sierra International Cast Iron Manifold For 4.3L V 6 18-1848. 3L V-6 applications. It is interchangeable with OMC 3852338 3857656 914899 Volvo Penta 3847499 3857656 GLM 51480 and HGE 7656. Use with Sierra's 18-1909-1 Riser. Each Sierra product meets... ... more

Sierra International Cast Iron Manifold For 4.3L V 6 18-1848

Sierra International Cast Iron Manifold For 4.3L V 6 18-1848. 3L V-6 applications. It is interchangeable with OMC 3852338 3857656 914899 Volvo Penta 3847499 3857656 GLM 51480 and HGE 7656. Use with Sierra's 18-1909-1 Riser. Each Sierra product meets...

Optics Planet

$485.64

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Sierra International 1-8-1-997-1- Manifold 18-1997-1

Sierra International 1-8-1-997-1- Manifold 18-1997-1

Sierra International 1-8-1-997-1- Manifold 18-1997-1. Designed to be interchangeable with the following: GLM 56230 Mallory 9-40110 Osco 994. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra... ... more

Sierra International 1-8-1-997-1- Manifold 18-1997-1

Sierra International 1-8-1-997-1- Manifold 18-1997-1. Designed to be interchangeable with the following: GLM 56230 Mallory 9-40110 Osco 994. Each Sierra product meets or exceeds the original equipment part it replaces. Features of Sierra...

Optics Planet

$348.91

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Sierra International Manifold For Gm Sb V8 Engines Port Side 18-1903

Sierra International Manifold For Gm Sb V8 Engines Port Side 18-1903

Sierra International Manifold For Gm Sb V8 Engines Port Side 18-1903. Designed for installation on the port side. Use with Sierra's 18-1921 Manifold Elbow 18-2949 Exhaust Manifold Gasket 18-8502 Exhaust Manifold Mounting Kit 18-2902-1 Exhaust... ... more

Sierra International Manifold For Gm Sb V8 Engines Port Side 18-1903

Sierra International Manifold For Gm Sb V8 Engines Port Side 18-1903. Designed for installation on the port side. Use with Sierra's 18-1921 Manifold Elbow 18-2949 Exhaust Manifold Gasket 18-8502 Exhaust Manifold Mounting Kit 18-2902-1 Exhaust...

Optics Planet

$453.20

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Sierra International 1-8-1-940 Manifold 18-1940

Sierra International 1-8-1-940 Manifold 18-1940

Sierra International 1-8-1-940 Manifold 18-1940. Each Sierra product meets or exceeds the original equipment part it replaces. If using a blocked end plate either gasket will work. If using an open end plate use an open gasket Features of Sierra... ... more

Sierra International 1-8-1-940 Manifold 18-1940

Sierra International 1-8-1-940 Manifold 18-1940. Each Sierra product meets or exceeds the original equipment part it replaces. If using a blocked end plate either gasket will work. If using an open end plate use an open gasket Features of Sierra...

Optics Planet

$579.67

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Sierra International Cast Iron Manifold w/ Mounting Package 18-1931-1

Sierra International Cast Iron Manifold w/ Mounting Package 18-1931-1

Sierra International Cast Iron Manifold w/ Mounting Package 18-1931-1. It contains Sierra 18-2949 Exhaust Manifold Gasket and 18-2971-1 Exhaust Manifold Gasket. It is interchangeable with Barr VO-1-835804 GLM 51630 HGE 5804 Mallory 9-40901 Osco 5805... ... more

Sierra International Cast Iron Manifold w/ Mounting Package 18-1931-1

Sierra International Cast Iron Manifold w/ Mounting Package 18-1931-1. It contains Sierra 18-2949 Exhaust Manifold Gasket and 18-2971-1 Exhaust Manifold Gasket. It is interchangeable with Barr VO-1-835804 GLM 51630 HGE 5804 Mallory 9-40901 Osco 5805...

Optics Planet

$455.83

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Sierra International U Joint Assembly For MerCruiser Bravo I/Ii/III 0B664190 & Up 18-6401

Sierra International U Joint Assembly For MerCruiser Bravo I/Ii/III 0B664190 & Up 18-6401

Sierra International U Joint Assembly For MerCruiser Bravo I/Ii/III 0B664190 & Up 18-6401. The assembly kit contains: (1) 18-2146 Yoke (2) 18-2174 U-Joint Cross and Bearings (Heavy Duty) (1) 18-2128 Center Socket (1) 18-6400 Yoke (1) 18-7117 O-Ring... ... more

Sierra International U Joint Assembly For MerCruiser Bravo I/Ii/III 0B664190 & Up 18-6401

Sierra International U Joint Assembly For MerCruiser Bravo I/Ii/III 0B664190 & Up 18-6401. The assembly kit contains: (1) 18-2146 Yoke (2) 18-2174 U-Joint Cross and Bearings (Heavy Duty) (1) 18-2128 Center Socket (1) 18-6400 Yoke (1) 18-7117 O-Ring...

Optics Planet

$774.97

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