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Serdamarine  |  SKU: 24GK048+24GK047+24GK115

Dry-Joint Exhaust Elbow Manifold Gasket Kit for MerCruiser

Regular price $56.00


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SERDAMARINE / MARINE EXHAUST PARTS

Manifold Gasket Kit for MerCruiser Dry-Joint Exhaust Elbow Applications

This aftermarket manifold gasket kit is a combination associated with Mercury MerCruiser dry-joint exhaust elbow applications, referencing OEM combination 864547A02 + 864549A02 + 864850A02. The referenced gasket versions cover Full Flow / Open, Restrictor / Restricted, and Block Off / Closed configurations; select and install only the gasket version required by your manifold, riser, and cooling arrangement.

Configuration & Specifications

Joint Configuration Dry-joint exhaust elbow interface
Referenced Passage Versions Full Flow / Open, Restrictor / Restricted, and Block Off / Closed

Engine Applications

Associated with Mercury MerCruiser Stern / Out Drive dry-joint exhaust elbow applications. Individual gasket usage does not establish fitment of the complete combination at a single joint; verify the exact passage style (Full Flow / Open, Restrictor / Restricted, or Block Off / Closed) specified for your engine serial number, manifold, riser, and cooling system before installation.

  • Mercury MerCruiser (Stern / Out Drive) — Dry-joint exhaust elbow applications. Referenced gasket versions include Full Flow / Open, Restrictor / Restricted, and Block Off / Closed; match the installed gasket version to the manifold, riser, and cooling arrangement. Fits when specified

Additional model-specific applications

  • MerCruiser GM V6 S.B. DRY JOINT, Restrictor / Restricted gasket, Standard Cooling, 7° Dry Joint, 2002–2004; component-level application only.
  • MerCruiser GM V8 S.B. DRY JOINT, Restrictor / Restricted gasket, Standard Cooling, 7° Dry Joint, 2002–2004; component-level application only.
  • MerCruiser GM V6 S.B. DRY JOINT, Restrictor / Restricted gasket, Standard Cooling, 14° Dry Joint, 2005; component-level application only.

Reference Numbers

The numbers below are provided for part identification and cross-reference. They represent the combined kit reference and the individual gasket numbers across the three passage configurations, and do not establish direct interchangeability between different flow versions or OEM manufacturer origin.

Primary Combination Reference (MerCruiser) 864547A02 + 864549A02 + 864850A02
MerCruiser Stern / Out Drive Individual References 27-864547A02, 27-864547A1, 864547A02, 27-864549A02, 27-864549A1, 864549A02, 27-864850A02, 27-864850A1, 864850A02
Aftermarket Combination Reference 18-0722 + 18-0721 + 18-0720
Sierra Individual References 18-0722, 18-0721, 18-0720, 18-1843, 18-1842, 18-1845
GLM Individual References 37900, 37910, 37920

Supplied Parts

  • Manifold Gasket Kit

Service & Installation Notes

General service guidance only. Use the service manual for your exact engine and exhaust configuration.

  1. Ensure the engine is completely shut down and cool, and disconnect the battery to prevent accidental starting during exhaust service.
  2. Support heavy exhaust elbows and risers securely during removal and installation, and protect the machined dry-joint sealing surfaces from scratches or gouges.
  3. Identify the exact gasket version required by your manifold, riser, and cooling arrangement (Full Flow / Open, Restrictor / Restricted, or Block Off / Closed). Do not substitute a Full Flow gasket where a Restrictor or Block Off gasket is specified.
  4. Clean and inspect mating surfaces thoroughly, align the cooling and exhaust passages as specified in the factory service manual, and shut down the engine immediately to inspect if any abnormal temperature or leak occurs during initial operation.

The Serdamarine Approach

Exhaust parts need a configuration match. Serdamarine focuses on marine exhaust manifolds and their related service parts. Application details, connection requirements and public reference numbers are presented together to support part selection.

Questions Before Replacement

How do the three gasket versions in this combination differ?

The combination references three dry-joint exhaust elbow gasket styles: Full Flow / Open, Restrictor / Restricted, and Block Off / Closed. Each version controls water passage flow differently between the manifold and elbow/riser. Only the specific version required by your manifold, riser, and cooling arrangement should be installed at a given joint.

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