You're in Boats, Kayaks & Boating Equipment

Need a Personal Shopper?

Subscribe to
Bizrate emails for the hottest
deals & products
,
PLUS a chance to

WIN $25

sign me up!

New winners chosen weekly.
No purchase necessary.

Best Seller
Sierra International Elbow For V8 Inboards Only 18-1978

Sierra International Elbow For V8 Inboards Only 18-1978

Sierra International Elbow For V8 Inboards Only 18-1978. Use with the following Sierra products: 18-1950-1 Manifold 18-1951-1 Manifold 18-1954-1 Manifold 18-1955-1 Manifold 18-1958-1 Manifold 18-1960-1 Manifold 18-1962-1 Manifold 18-2833 Exhaust Elbow... ... more

Sierra International Elbow For V8 Inboards Only 18-1978

Sierra International Elbow For V8 Inboards Only 18-1978. Use with the following Sierra products: 18-1950-1 Manifold 18-1951-1 Manifold 18-1954-1 Manifold 18-1955-1 Manifold 18-1958-1 Manifold 18-1960-1 Manifold 18-1962-1 Manifold 18-2833 Exhaust Elbow...

Optics Planet

$463.31

FREE shipping

go to store
Sierra International Dry Joint Exhaust Elbow For Gm V 6/V 8 2002 & Up 18-1845

Sierra International Dry Joint Exhaust Elbow For Gm V 6/V 8 2002 & Up 18-1845

Sierra International Dry Joint Exhaust Elbow For Gm V 6/V 8 2002 & Up 18-1845. Will also fit 2002 and newer MIE GM V-8 (350 and 377 CID) engines with a dry joint exhaust manifold (serial number 0M317000 and up). Can be used with Sierra's 18-1843... ... more

Sierra International Dry Joint Exhaust Elbow For Gm V 6/V 8 2002 & Up 18-1845

Sierra International Dry Joint Exhaust Elbow For Gm V 6/V 8 2002 & Up 18-1845. Will also fit 2002 and newer MIE GM V-8 (350 and 377 CID) engines with a dry joint exhaust manifold (serial number 0M317000 and up). Can be used with Sierra's 18-1843...

Optics Planet

$329.11

FREE shipping

go to store
Best Seller
Sierra International Manifold Elbow For Gm V8 Sb Engines Most Models 18-1921

Sierra International Manifold Elbow For Gm V8 Sb Engines Most Models 18-1921

Sierra International Manifold Elbow For Gm V8 Sb Engines Most Models 18-1921. Use with Sierra's 18-1902 Manifold 18-1903 Manifold 18-8534 Exhaust Elbow Mounting Kit 18-8553 Hardware Kit (Exhaust Elbow Bolts) and 18-0943-2 Exhaust Elbow Gasket. It is... ... more

Sierra International Manifold Elbow For Gm V8 Sb Engines Most Models 18-1921

Sierra International Manifold Elbow For Gm V8 Sb Engines Most Models 18-1921. Use with Sierra's 18-1902 Manifold 18-1903 Manifold 18-8534 Exhaust Elbow Mounting Kit 18-8553 Hardware Kit (Exhaust Elbow Bolts) and 18-0943-2 Exhaust Elbow Gasket. It is...

Optics Planet

$308.61

FREE shipping

go to store
Sierra International 18-1974-1 Elbow 18-1974-1

Sierra International 18-1974-1 Elbow 18-1974-1

Sierra International 18-1974-1 Elbow 18-1974-1. Each Sierra product meets or exceeds the original equipment part it replaces. Comes with 18-0897 gasket and brass plugs. Fits: V-6 & V-8 applications 0 (3" O.D. Riser). Features of Sierra International... ... more

Sierra International 18-1974-1 Elbow 18-1974-1

Sierra International 18-1974-1 Elbow 18-1974-1. Each Sierra product meets or exceeds the original equipment part it replaces. Comes with 18-0897 gasket and brass plugs. Fits: V-6 & V-8 applications 0 (3" O.D. Riser). Features of Sierra International...

Optics Planet

$440.51

FREE shipping

go to store
Sierra International Manifold Elbow For Gm V 6/V 8 Engines 15 deg 3in Od 18-1970-2

Sierra International Manifold Elbow For Gm V 6/V 8 Engines 15 deg 3in Od 18-1970-2

Sierra International Manifold Elbow For Gm V 6/V 8 Engines 15 deg 3in Od 18-1970-2. These Manifold Elbows from Sierra International are built with precision and quality materials for optimal performance and reliability. The Sierra 1819702 Manifold... ... more

Sierra International Manifold Elbow For Gm V 6/V 8 Engines 15 deg 3in Od 18-1970-2

Sierra International Manifold Elbow For Gm V 6/V 8 Engines 15 deg 3in Od 18-1970-2. These Manifold Elbows from Sierra International are built with precision and quality materials for optimal performance and reliability. The Sierra 1819702 Manifold...

Optics Planet

$295.89

FREE shipping

go to store
Sierra International 18-1972 Elbow 18-1972

Sierra International 18-1972 Elbow 18-1972

Sierra International 18-1972 Elbow 18-1972. Each Sierra product meets or exceeds the original equipment part it replaces. Fits: MCM 2.5L & 3.0L/LX (1982 & newer). Fits: Most late Model 120 140HP Mercruiser applications. Features of Sierra International... ... more

Sierra International 18-1972 Elbow 18-1972

Sierra International 18-1972 Elbow 18-1972. Each Sierra product meets or exceeds the original equipment part it replaces. Fits: MCM 2.5L & 3.0L/LX (1982 & newer). Fits: Most late Model 120 140HP Mercruiser applications. Features of Sierra International...

Optics Planet

$350.24

FREE shipping

go to store
Sierra International Manifold Elbow For 3in I.D. Exhaust Hose 18-1999

Sierra International Manifold Elbow For 3in I.D. Exhaust Hose 18-1999

Sierra International Manifold Elbow For 3in I.D. Exhaust Hose 18-1999. D. If a blocked mounting kit is required use Sierra Part Number 18-8535. The manifold elbow comes with (1) Sierra 18-4364 Exhaust Elbow Mounting Package (Open). Use this elbow with... ... more

Sierra International Manifold Elbow For 3in I.D. Exhaust Hose 18-1999

Sierra International Manifold Elbow For 3in I.D. Exhaust Hose 18-1999. D. If a blocked mounting kit is required use Sierra Part Number 18-8535. The manifold elbow comes with (1) Sierra 18-4364 Exhaust Elbow Mounting Package (Open). Use this elbow with...

Optics Planet

$251.95

FREE shipping

go to store
Sierra International Manifold Riser w/ Hardware 18-1909-1

Sierra International Manifold Riser w/ Hardware 18-1909-1

Sierra International Manifold Riser w/ Hardware 18-1909-1. 4" outlet 7. Material: CAST IRON. Use with 18-1848 manifold 18-1986-1 manifold 18-8507 exhaust elbow mounting kit and 18-0943-2 gasket exhaust elbow. Features of Sierra International Manifold... ... more

Sierra International Manifold Riser w/ Hardware 18-1909-1

Sierra International Manifold Riser w/ Hardware 18-1909-1. 4" outlet 7. Material: CAST IRON. Use with 18-1848 manifold 18-1986-1 manifold 18-8507 exhaust elbow mounting kit and 18-0943-2 gasket exhaust elbow. Features of Sierra International Manifold...

Optics Planet

$384.91

FREE shipping

go to store
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 Manifold... ... 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 Manifold...

Optics Planet

$453.20

FREE shipping

go to store
Sierra International 1-8-1-955-1- Manifold 18-1955-1

Sierra International 1-8-1-955-1- Manifold 18-1955-1

Sierra International 1-8-1-955-1- Manifold 18-1955-1. Each Sierra product meets or exceeds the original equipment part it replaces. Fits MCM 140 (1982 and older). For use with 18-4009 manifold end plate 18-8549 hardware kit manifold bolts 18-1971 elbow... ... more

Sierra International 1-8-1-955-1- Manifold 18-1955-1

Sierra International 1-8-1-955-1- Manifold 18-1955-1. Each Sierra product meets or exceeds the original equipment part it replaces. Fits MCM 140 (1982 and older). For use with 18-4009 manifold end plate 18-8549 hardware kit manifold bolts 18-1971 elbow...

Optics Planet

$772.37

FREE shipping

go to store