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Gasket Exhaust Manifold to Head GM Small Block | Sierra 18-2902-1

Gasket Exhaust Manifold to Head GM Small Block | Sierra 18-2902-1

Sierra

Regular price $11.99 USD
Regular price Sale price $11.99 USD
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GM Small Block Exhaust Manifold to Head Gasket | Sierra 18-2902-1

Gasket seals exhaust manifold to cylinder head on GM V8 small block marine engines.

  • Exhaust manifold gasket (1)
  • For GM V8 283, 305, 307, 327, 350, 377, 383, and 400 cu. in. marine engines (not 6.0L or 6.2L)
  • Has end bolt cut outs so gasket can be slid between the manifold and block after two bolts are started
  • Replaces Mercruiser 27-33395, 27-33395B
  • Replaces OMC 909314, 3852468
  • Replaces Volvo Penta 856034, 3852468
  • Replaces Marine Power 0994-600
  • Acceptable replacement for Sierra 18-0872, 18-2899, 18-2902, 18-2949, 18-2949-9
  • Replaces Mallory 9-61401
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T
Tim D.

All good, thanks!

! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.

Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.

MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.