Mercury-Mercruiser 27-805403A1 Intake Gasket Set
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
Intake Manifold Gasket Set 27-805403A1
Contains:
2 Intake manifold gaskets
End Seal Replacement - Rubber end seals are no longer be available for the following Mercury MerCruiser engines:
Engine Serial Number Range
Mercury MerCruiser 7.4L Models: All
Mercury MerCruiser 8.2L Models: All
Mercury Marine recommends the use of a sealant in place of the rubber end seals. Apply a 6.4 mm (0.25 in.) bead of Loctite 5900 Ultra Black RTV Silicone Sealant on the front and rear end seal bosses of the
engine block between the cylinder heads. The sealer should extend 12.7 mm (0.50 in.) onto the cylinder head.
Intake Manifold Gasket Set 27-805403A1
Contains:
2 Intake manifold gaskets
End Seal Replacement - Rubber end seals are no longer be available for the following Mercury MerCruiser engines:
Engine Serial Number Range
Mercury MerCruiser 7.4L Models: All
Mercury MerCruiser 8.2L Models: All
Mercury Marine recommends the use of a sealant in place of the rubber end seals. Apply a 6.4 mm (0.25 in.) bead of Loctite 5900 Ultra Black RTV Silicone Sealant on the front and rear end seal bosses of the
engine block between the cylinder heads. The sealer should extend 12.7 mm (0.50 in.) onto the cylinder head.
- 520 - 0M970122 & Up
- 540 - 0M970866 & Up
- 454 EFI (SKI) GEN. V GM 454 V-8 1995 - 0F215800 THRU 0F820099
- 454 MAG. MPI (SKI) GEN. VI GM 454 V-8 1996-1997 - 0F820100 THRU 0K999999
- 454 MAG. MPI HORIZON (GEN. VI) GM 454 V-8 - 0L002200 THRU 0L086049
- 454 MAG. MPI HORIZON (GEN. VI) GM 454 V-8 - 0L086050 THRU 0L674000
- 7.4L MIE MPI (LH) GEN. V GM 454 V-8 1995-1996 - 0F563052 THRU 0F820103
- 7.4L MIE MPI (LH) GEN. VI GM 454 V-8 1996-1997 - 0F820104 THRU 0K999999
- 8.2L MIE MPI (GEN. VI) GM 502 V-8 - 0L002450 THRU 0L086012
- 8.2L MIE MPI (GEN. VI) GM 502 V-8 - 0L086013 THRU 0L674200
- 8.2L MIE MPI (LH) GEN. VI GM 502 V-8 1996-1997 - 0F819620 THRU 0K999999
- 454 EFI (GEN. V) GM 454 V-8 1994-1996 - 0F115700 THRU 0F802349
- 454 MAG MPI BRAVO (GEN VI) GM 454 V-8 1998 - 0L010029 THRU 0L058399
- 454 MAG. BRAVO MPI (GEN VI) GM 454 V-8 1996-1997 - 0F802350 THRU 0K999999
- 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 - 0L085400 THRU 0M024999
- 502 EFI (GEN. V) GM 502 V-8 1993-1995 - 0D840650 THRU 0F802599
- 502 MAG MPI BRAVO (GEN VI) GM 502 V-8 1998 - 0L017000 THRU 0L085432
- 502 MAG. MPI (GEN VI) GM 502 V-8 1996 - 0F802600 THRU 0K999999
- 502 MAG. MPI BRAVO (GEN VI) GM 502 V-8 - 0L085433 THRU 0M024999
- 7.4LX BRAVO (MPI)(GEN. V) GM 454 V-8 1996 - 0F602010 THRU 0F801999
- 7.4LX BRAVO (MPI)(GEN. VI) GM 454 V-8 1996-1997 - 0F802000 THRU 0K999999
- 8.2L INBOARD (BASE) EC - 2A041665 & Up
- 8.2L INBOARD (Base) EC - 1A350802 THRU 2A041664
- 8.2L INBOARD (H.O.) EC - 2A041665 & Up
- 8.2L INBOARD (H.O.) EC - 1A350802 THRU 2A041664
- 8.2L Mag (Base Model) - 1A351597 & Up
- 8.2L Mag (H.O. Model) - 1A351597 & Up
- 8.2L Mag EC (Base Model) - 1A350340 THRU 2A041664
- 8.2L Mag EC (Base Model) - 2A051742 THRU 2A051742
- 8.2L Mag EC (Base Model) - 2A041665 THRU 2A051741
- 8.2L Mag EC (Base Model) - 2A051743 & Up
- 8.2L Mag EC (H.O. Model) - 1A350340 THRU 2A041664
- 8.2L Mag EC (H.O. Model) - 2A051741 THRU 2A051741
- 8.2L Mag EC (H.O. Model) - 2A041665 THRU 2A051740
- 8.2L Mag EC (H.O. Model) - 2A051742 & Up