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Product Details
This manifold kit replaces the original one-piece “batwing” manifolds (807293A2, 807294A3, 807293C, 807294C) that came on 1996 and up MerCruiser 4.3L (GM/Chevy) V6 marine gas engines. This kit includes a full gasket and bolt kit. The lower bellows are oval in shape to mate up with your original lower Y-pipe. Each purchase is for one kit to do one engine.Part number cross reference:
| MerCruiser | Manifold: Riser: | 99745,99746, 99746A8, 99746A17 44354, 44354A3, 44354A9, 44354A10,44354A13 807988, 807988A2, 807988A3,807914A1 |
| OscoMotors | Manifold: Riser: | 9745 4354 |
| Barr Marine | Manifold: Riser: | MC-1-99746 MC-20-44354 |
| Sierra Marine | Manifold: Riser: | 18-1952-1 18-1976-1 |
| HGE | Manifold: Riser: | 9746 4354 |
| Aqua Power | Manifold: Riser: | 5505 5706 |
| GLM Products | Manifold: Riser: Kit: | 51220 51140 58992, 58222 |
About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.
