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Osco Marine Manifolds
Since 1932
OSCO Motors Co. has been in the business of providing boaters with a high quality, reasonable cost alternative to original manufacturer's equipment.
All manifolds come with a 3 year warranty and DO NOT include gaskets. Order gaskets and bolts separately. We stock all OSCO manifolds and ship the same day.
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1. 0188 Riser, 3-3/8" outlet, 90º down angle. Replaces OMC #’s 980020 and 980188. Use mounting kit # 0188-MK.

2. 0188-MK Mounting Kit,
fits riser 0188. Includes 0188-G gasket and mounting hardware to bolt riser to adapter.

3. 0188-G Gasket,
riser. Included in 0188-MK mounting kit. Replaces OMC # 908013.

4. 9863 Riser, 31/2" exhaust outlet 60º down angle. Fits Ford and GM V8 log style manifolds. Osco does not offer a manifold for OMC Ford applications. Replaces OMC #’s 909218, 982680 and 909863. Use mounting kit 9863-MK.

5.9863-MK Mounting Kit, Riser. Fits 9863 and 9863-T risers. Includes 9863-G gasket and mounting hardware.

6.9863-G Gasket, riser to manifold. Included in 9863-MK. Replaces OMC # 909786.

7. 9863-T Riser, Same as 9863 but tapped to accept 3/4" MPT hose barb. Use mounting kit 9863-MK.

8. 50456 Riser, 4” exhaust outlet, 7º down angle. Fits Ford and GM V8 center riser style manifolds. Osco does not offer a manifold for OMC Ford applications. Replaces OMC #’s 913784, 3855270 and 3850456.

9. 50456-MK Mounting Kit, riser. Fits 50456 riser. Includes 50456-G gasket and mounting hardware.

10. 50456-G Gasket, riser to manifold. Included in 50456-MK. Replaces OMC # 913783.














 

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Please Remember we stock parts and accessories for all makes and models of marine engines and boats. These catalog pages represent just a few of the parts we stock. Use the search field on the right to search by part the Part Number with the abbreviation at the bottom of each page. If you do not find what you are looking for please fill out the info form and we will find the parts you need and respond with a quote.
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