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.
CLICK ON PICTURES OR PART NUMBERS TO CHECK PRICE

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1.7752 Manifold, starboard. Fits 305 - 350 cu.in. GM small block V8 engines. Replaces Crusader # 97752 and 96120*.

1.7753 Manifold, port. Fits 305 - 350 cu.in. GM small block V8 engines. Replaces Crusader #97753 and 96121*.

2. 775MK Mounting Kit, manifold. Fits 7752 and 7753 manifolds without alternator bracket. Includes CV-GH gasket and mounting hardware.

2. 775-MK-A Mounting Kit, manifold. Fits 7753 manifold with alternator bracket. Includes CV-GH gasket and mtg. hardware.

3.CV-GH Gasket, manifold to cylinder head. Included in 775-MK and 775-MK-A. Replaces Crusader # 96306.

4. 7772 Riser, 4". Replaces Crusader # 97772. Use mounting kit 7772-MK.

5. 7772-MK Mounting Kit, riser. Fits 7772 riser. Includes 6108 gasket and mounting hardware.

6. 7169 Riser, 8". Replaces Crusader # 97169. Use mounting kit 7169-MK.

7. 7169-MK Mounting Kit, riser. Fits 7169 riser. Includes 6108 gasket and mounting hardware.

8. 6108 Gasket, riser, 3 holes for water. Used at manifold with risers 7772 and 7169. Included in 7169-MK and 7772-MK.Replaces Crusader # 96108. Tech tips page 75 and 79.

9. NWK Nut and Washer Kit. 4 each sealing washer and locking nuts. Replace after each removal.

10. 7924 Elbow, 4" outlet. Replaces Crusader # 97924. Use mounting kit 6562-MK.

11. 8068 Elbow, 3" outlet. Replaces Crusader # 98068. Use mounting kit 6562-MK

12. 7386 Elbow, jacketed upper for swivel. Replaces Crusader # 97386. Use mounting kit 6562-MK.

13. 6562-MK Mounting Kit, elbow. Fits 7924, 8068, and 7386. Includes 6562 gasket and mounting hardware.

14. 6562 Gasket, elbow, 1 hole for water. Used with elbows 7924, 8068 and 7386. Included in 6562-MK. Replaces Crusader # 96562. Tech tips page 75 and 79..

15. 7387 Elbow, lower swivel with 3" outlet. Replaces Crusader # 97387.

16. 7624 Elbow, lower swivel with 4" outlet. Replaces Crusader # 97624.

17. 7296 Stainless Plate, block off. Separates fresh water from raw water. Requires 1 plate and (2) 6562 or 6108 gaskets per manifold. Replaces Crusader # 97296. Tech tips page 75 and 79.

18. 7854 Water Fitting, 90º elbow. 1" MPT x 11/4" hose barb. Replaces Crusader # 97854. (1) required for a raw water cooled manifold and (2) required for a fresh water cooled manifold.

19. F68CS Water Fitting, straight. 3/4" MPT X 1” hose barb. Replaces Crusader # 97911. For risers / elbows. *Requires one water fitting 7854 per hose connection.
 

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