Mercruiser V6-4.3L "Dry Joint" Exhaust
All models carbureted, MPW, inboard, Alpha & Bravo sterndrives: Center riser direct replacement
| Part Number | Description |
|---|---|
| MC-1-864612 | Direct replacement exhaust manifold. Replaces MerCruiser part number 864612T01. |
| MC-20-864309 | Direct replacement exhaust riser / elbow. Replaces MerCruiser part number 864309T01. Riser will replace the equivalent part number used on 5.0L, 5.7L & 6.2L models as well. |
| MC-20-864591 | Direct replacement exhaust riser / elbow. Replaces MerCruiser part number 864591T02. Riser will replace the equivalent part number used on 5.0L, 5.7L & 6.2L models as well. |
| MC-1-864612P | Exhaust manifold mounting package. Purchase correct gasket as neeeded. |
| MC-20-864309P | Exhaust riser mounting package. Includes restrictor gasket for raw water applications. |
| MC-20-864591P | Exhaust riser mounting package. Includes restrictor gasket for raw water cooled applications. |
| MC47-27-864850 | Direct replacement restrictor gasket. Replaces MerCruiser part number 864850A02. Please refer to supplied directions or OEM information for proper installation procedures. |
| MC47-27-864547 | Direct replacement full flow gasket. Replaces MerCruiser part number 864547A02. Please refer to supplied directions or OEM information for proper installation procedures. |
| MC47-27-864549 | Direct replacement restrictor gasket. Replaces MerCruiser part number 864549A02. Please refer to supplied directions or OEM information for proper installation procedures. |
| MC47-27-99757 | Exhaust manifold to cylinder head gasket. |
| 50-170-248 | Replacement manifold mounting bolts. Replaces MerCrusier part number 8M2000229 (to be used with 3/8" lockwasher). Dimensions of bolt is 3/8"-16 x 4.75". |
| 50-170-257 | Replacement riser mounting bolts. Replaces MerCrusier part number 43749 (to be used with 3/8" lockwasher). Dimensions of bolt is 3/8"-16 x 5.750". |
| 50-170-275 | Replacement riser mounting bolt. Replaces MerCruiser part number 865982057 (to be used with 3/8" lockwasher). Dimensions of bolt are 3/8"-16 x 7.50". |
Note
Always use the correct riser gasket for your application. Please refer to the correct guide for proper installation.
Improperly installed gaskets, leaks or damage caused by either are not covered by your Barr Marine warranty. Gaskets are not subject to exchange or refund under any circumstances.