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Gasket, restrictor. Fits center riser Mercruiser Replaces Mercruiser # 27-41813.
Gasket, restrictor. Mercruiser # 27-41813.

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Gasket, restrictor. Fits center riser Mercruiser. Common use is on all raw water cooled motors.Restricts flow, creating water back pressure to keep manifold and/or spacer full. Replaces Mercruiser # 27-41813.

SKU: OSC8503-GR
Price: $5.41 


Quantity:   

Osco RISER MERCRUISER #98503
Osco RISER 3" MERCRUISER #98503
Osco RISER4
Mercruiser Osco RISER 4", 7º down angle.
   

Gasket, open. Fits center riser Mercruiser.
Gasket, open. Fits center riser Mercruiser.
Gasket, blocked. 27-41811
Gasket, blocked. 27-41811
Mounting Kit, riser. Fits 8503A riser.
Mounting Kit, riser. Fits 8503A riser.
Osco RISER 3
Osco RISER 3" MERCRUISER #98503


Seloc Manual
Seloc Manual Mercruiser Stern Drive 1964-91
$37.58
Seloc Manual
Seloc Manual
$37.62
Manual
Manual
$37.64
 



Mounting Kit, riser. Fits 4354 Mercruiser riser
Mounting Kit, riser. Fits 4354 Mercruiser riser