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Serdamarine  |  SKU: 23GT296

27-863726 Exhaust Gasket for Mercury Mariner

Regular price $9.50


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SERDAMARINE / MARINE EXHAUST PARTS

27-863726 Exhaust Gasket for Mercury Mariner

Aftermarket exhaust gasket referenced to 27-863726 for the listed Mercury/Mariner 200, 225 and 250 applications, including PRO XS and SEAPRO variants. Match the engine designation, fuel-system version and original gasket reference.

Engine Applications

  • Mercury/Mariner 200 (DFI / EFI).
  • Mercury/Mariner 200 PRO XS.
  • Mercury/Mariner 225 (EFI / DFI).
  • Mercury/Mariner 225 SEAPRO.
  • Mercury/Mariner 250 (DFI / EFI), 3.0L application group.

Reference Numbers

The numbers below are provided for part identification and cross-reference only; they do not by themselves guarantee interchangeability across different cooling or flow configurations and do not indicate manufacturer identity.

MerCruiser Stern / Out Drive 27-863726, 27-818832, 27-860232, 27-871051, 27-87105-1
Mercury Mariner 27-818832, 27-860232, 27-871051, 27-87105
OMC 0508606
Yanmar Marine Inboard Reference 27-863726
Sierra 18-2849-1, 18-2849-9-1
GLM 32080
Mallory 9-61414
BARR MC47-27-87105
OSCO 8503-GO
Additional Cross-Reference Numbers 863726, 818832, 860232, 871051, 87105, MC4727-87105

Supplied Parts

  • Exhaust full-flow elbow gasket

Service & Installation Notes

General service guidance. Follow the service manual for your engine.

  1. Allow the engine to cool and prevent accidental starting.
  2. Compare the original gasket reference, profile and passage layout before removal.
  3. Clean and inspect the mating surfaces without damaging them.
  4. Install using the manufacturer’s procedure and inspect for leaks after service.

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.

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