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We supply NEW parts and specialize in locating obsolete, no-longer-available and back ordered parts. Browse our site to see just a few of the many parts we supply.  Call us or fill out the info form to receive a quote or to request information on parts not listed online.

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   MERCRUISER MANIFOLD port. Log style fits 302 - 351 cu.in (Osco)
MERCRUISER MANIFOLD port. Log style fits 302 - 351 cu.in
Description: Manifold, port. Log style manifold fits 302 - 351 cu.in. Ford small block V8 engines. Replaces Mercruiser #’s 54100 and 65604. Use mounting kit 560-MK.
Base SKU: OSC5604
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   Mercruiser MANIFOLD starboard. Log style manifold fits 302 and 351 cu.in. (Osco)
Mercruiser MANIFOLD starboard. Log style manifold fits 302 and 351 cu.in.
Description: Manifold, starboard. Log style manifold fits 302 and 351 cu.in. Ford small block V8 engines. Replaces Mercruiser #’s 54099 and 65603. Use mounting kit 560-MK. PORT MANIFOLD SHOWN
Base SKU: OSC5603
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   Osco 6351 3" exhaust outlet, Replaces Mercruiser #’s 76351, 60426 and 49964 (Osco)
3
Description: Riser, 3" exhaust outlet, 90º down angle. For use in most inboard/outboard applications. Replaces Mercruiser #’s 76351, 60426 and 49964. Use mounting kit 6371-MK.
Base SKU: OSC6351
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   Osco Mercruiser Riser, 3" exhaust outlet, 0º down angle. (Osco)
Riser, 3
Description: Riser, 3" exhaust outlet, 0º down angle. For use in most inboard applications. Replaces Mercruiser #’s 76771 and 60427. Use mounting kit 6371-MK.
Base SKU: OSC6771
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   3" Mercruier SPACER OEM #MC61851A2 (Osco)
3
Description: Spacer, 3" rear riser. Fits 5603 and 5604 manifolds with 6351 or 6771 risers. Replaces Mercruiser # 61851. Use mounting kit 1851-MK.
Base SKU: OSC1851
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   Front Plate, with water fitting. Replaces Mercruiser # 60252. Use mounting kit 60252-MK. (Osco)
Front Plate, with water fitting. Replaces Mercruiser # 60252. Use mounting kit 60252-MK.
Description: Front Plate, with water fitting. Replaces Mercruiser # 60252. Use mounting kit 60252-MK.
Base SKU: OSC60252
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   Rear Plate, without water fitting. Replaces Mercruiser # 54870 (Osco)
Rear Plate, without water fitting. Replaces Mercruiser # 54870
Description: Rear Plate, without water fitting. Replaces Mercruiser # 54870
Base SKU: OSC54870
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   GASKET FORD MANIFOLD TO HEAD Replaces Mercruiser # 27-73866. (Osco)
GASKET FORD MANIFOLD TO HEAD Replaces Mercruiser # 27-73866.
Description: Gasket, manifold to cylinder head. Included in 560-MK mounting kit. Replaces Mercruiser # 27-73866.Fits FL994 manifold.FLCR818 Manifold Fits Ford 302/351
Base SKU: OSCFL-GH
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   Mounting Kit, manifold. Fits 5603 and 5604 manifolds. (Osco)
Mounting Kit, manifold. Fits 5603 and 5604 manifolds.
Description: Mounting Kit, manifold. Fits 5603 and 5604 manifolds. Includes FL-GH gasket and mounting hardware.
Base SKU: OSC560-MK
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   END PLATE GSKT F/7234,5/5603,4 (Osco)
END PLATE GSKT F/7234,5/5603,4
Description: Gasket, end plate. Fits 60252 and 54870 end plates. Included in 60252-MK mounting kit. Replaces Mercruiser # 27-48043.
Base SKU: OSC48043
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   Mercruiser Mounting Kit, spacer. Attaches 6351 or 6771 riser and 1851 spacer to 5603/5604 manifolds (Osco)
Mercruiser Mounting Kit, spacer. Attaches 6351 or 6771 riser and 1851 spacer to 5603/5604 manifolds
Description: Mounting Kit, spacer. Attaches 6351 or 6771 riser and 1851 spacer to 5603/5604 or 7234b/7235b manifolds. Includes (2) 52076 gaskets and mounting hardware.
Base SKU: OSC1851-MK
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   Mercruiser Riser Mounting Kit, riser. Fits 6351 and 6771 risers. (Osco)
Mounting Kit, riser. Fits 6351 and 6771 risers. Includes 52076 gasket and mounting hardware.
Description: Mounting Kit, riser. Fits 6351 and 6771 risers. Includes 52076 gasket and mounting hardware.
Base SKU: OSC6371-MK
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   Mounting Kit 6371-MK + 60207 SS PLATE (Osco)
Mounting Kit 6371-MK + 60207 SS PLATE
Description: Mounting Kit, riser. Fits 6351 and 6771 risers. Includes 60207 stainless plate with weep hole, (2) 52076 gaskets and mounting hardware. Not for fresh water/closed cooling systems.
Base SKU: OSC6371-MK-SP
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   Mounting Kit, end plate. Fits 60252 and 54870 end plates (Osco)
Mounting Kit, end plate. Fits 60252 and 54870 end plates
Description: Mounting Kit, end plate. Fits 60252 and 54870 end plates. Includes 48043 gasket and mounting hardware.
Base SKU: OSC60252-MK
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   Gasket, riser. Included in 6371-MK and 6325-MK mounting kits. (Osco)
Gasket, riser. Included in 6371-MK and 6325-MK mounting kits.
Description: Gasket, riser. Included in 6371-MK and 6325-MK mounting kits.
Base SKU: OSC52076
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   Stainless Plate, with weep hole Replaces Mercruiser # 60207 (Osco)
Stainless Plate, with weep hole Replaces Mercruiser # 60207
Description: Stainless Plate, with weep hole to remove air trapped in the manifold. Fits 6351 and 6771 risers. Not forfresh water/closed cooling systems. Replaces Mercruiser # 60207. Requires (2) 52076 gaskets, or order 6371-MK-SP.
Base SKU: osc60207
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