Mercruiser Exhaust Gaskets And Mounting Kits→Riser Gasket
| Part # & Price | Description |
OSC8503-GB
$8.95 | Gasket Riser Blank for Mercruiser 1983 and Up Closed Cooling Replaces 27-41811 Block off Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. This is used when the manifolds are fresh water cooled. It fits Osco # 4354, Osco # 8503A & Barr # MC20-98502 risers Replaces: Mercury Quicksilver # 27-863725-1; Barr # MC47-27-41811; GLM # 30220; Sierra # 18-0672; Mallory # 9-61422 |
GLM31480
$7.95 | Riser Gasket, Barr Log Style Manifold Riser Gasket fits BARMC20-72963 & BARMC20-76668 risers  |
OSC48043
$4.00 | End Cap Gasket for Mercruiser End Plate Gasket fits Osco # 60252 & Osco # 54870 end caps 
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OSC5538-G
$5.00 | Riser Gasket for Mercruiser Riser Gasket fits Osco # 5538 risers on Mercruiser Replaces: Mercury Quicksilver # 27-39915; Barr # MC47-27-39915; Sierra # 18-2819; Mallory # 9-61423
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OSC56879-G
$12.95 | Riser Gasket for Volvo Penta V6 & V8 Riser Gasket for a Volvo Penta. It will fit the V6 and V8 Center Riser Non - SX Drive, 1993 & down. Gasket fits Osco # 56879 risers. |
OSC6351-G
$6.95 | Riser Gasket for Mercruiser OSC6351 Riser Riser Gasket for a Mercruiser application. It is used with riser Osco # 6351 and riser Osco # 6771. (same as GLM31520) |
OSC8503-GO
$7.00 | Riser Gasket, Open for Mercruiser Open Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. It fits Osco # 4354, Osco # 8503A & BARMC20-98502 riser & BARMC20-44354 riser. |
OSC8503-GR
$7.00 | Riser Gasket, Restrictor for Mercruiser Restricted Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. It fits Osco # 4354, Osco # 8503A & BARMC20-98502 risers
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OSC8503-SS
$15.95 | Plate Block Off Stainless Steel for Mercruiser Center Riser Fresh Water Cooling Direct replacement stainless fresh water cooling block off plate for use with Mercruiser Center Riser Non Dry Joint Exhaust Systems. |
OSC8561-G
$12.95 | Riser Gasket for Mercruiser 3.7L Riser / Elbow gasket for a 3.7L with an aluminum manifold. It is used with Riser Osco # 8561 with aluminum manifold. (same as GLM32470)
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