Mercruiser Manifolds, Risers & Spacers

Aftermarket Mercruiser 27-864549A02 Block Off Exhaust Riser Gasket Replaces Mercruiser part number: 27-864549A02, 27-864549A1 Used on Mercruiser engines: GM V-6 & V-8 engines with dry joint exhaust manifold (2002 & newer) This is a Premium...

Genuine Mercruiser 73782 Stainless Steel Restrictor Plate

Genuine Mercruiser 865947A01 Exhaust Elbow Pair Mercuiser 4.3 Carb and MPI Alpha/Bravo sterndrive exhaust elbow pair. (non riser) type. Replaces - 865947-C

Genuine Mercruiser 8M0124066 6 " Exhaust Spacer 6" Exhaust spacer on Mercruiser 8.1 496 Big block base and H.O models up to 0W649999 Replaces - 863124T

Genuine Mercruiser 44267A02 Big Block Elbow kit Elbow pair with hose for Mercruiser inboard applications for V8 big block applications using exhaust Y pipe Intermediate exhaust elbow Contains 44267-2 x2, 32-48659-12 x2 Replaces - 44267A1

Genuine Mercruiser 32-44348001 4" Exhaust Tube Exhaust bellows tube 44348001 is for Mercruiser 120, 140 and select V6 and V8 Mercruiser sterndrive engines. Used for joining riser to elbow Y pipe. 4" ID Hose Replaces - 44348T, 44348, 18-2748, 89120 and...

Genuine Mercruiser 27-99777 2 Standard Cooling Riser Gasket Exhaust elbow gasket 997772 is for use on 120 series (1983 and newer), 140/3.0L in-line 6-cylinder and V-8 small block (1982 and older) MerCruiser stern drive and inboard engines made by General...

Genuine Mercruiser 27-866390 Big Block Exhaust Collector Gasket Suits modern Mercruiser big block 8.1 and 8.2 models with 2 piece exhaust manifold 

Genuine Mercruiser 865331A02 Exhaust Elbow Exhaust elbow 865331A02 is for use on Mercruiser 496 Magnum sterndrive and 8.2L Magnum (non-EC) inboard engines.

Genuine Mercruiser 27-8M2003931 Big Block MAG Elbow Gasket 8M0098227 Collector to elbow gasket on big block Mercruiser 8.1 and 8.2 models

Genuine Mercruiser 27-18272 Aluminium Riser Gasket Riser gasket for aluminium elbow on Mercruiser 3.7L L4 224 165, 170, 180 and 190 Replaces - 97863, 18-0881-1, 32470, 9-61412, 8561-G

Genuine Mercruiser 27-92720 3.7L Block Off Riser Gasket 1980-1982 Mercruiser 470 2BBL 3.7L manifold riser gasket. Doesn't suit 1982 on. Replaces - 32630, 18-0954, 9-61415 and MC47-27-92720

Genuine Mercruiser 32-14358001 Oval Exhaust Tube Exhaust bellows tube 14358001 is for Mercruiser sterndrive installations. Replaces - 18-2746, 89130, 9-72811, 32-14358 and 32-14358T

Genuine Mercruiser 27-856705 3.7 Cast Iron Manifold Riser Gasket Manifold to riser gasket for cast iron 99908A3 manifold assembly on 1983-1989 3.7L (165, 170, 180 and 470) Mercruiser inboards Replaces - 97542 and 18-01131

Genuine Mercruiser 807166A3 Water Shutter Pair Water shutter 807166A3 is for use on various and numerous Mercruiser stern drive installations. This shutter is 2.5 inches diameter at the cross pin. Sold as a pack of 2 For use on earlier model 4" exhaust...

Genuine Mercruiser 27-864547A02 Dry Joint Full Flow Exhaust Gasket Exhaust elbow gasket 864547A02 is for use on 2002 and newer V6 and V8 Mercruiser sterndrive and inboard engines with dry joint exhaust manifolds. Full flow gasket has no restriction or...

Genuine Mercruiser 27-862356 Big Block Elbow Gasket Exhaust elbow gasket 862356 is for use on 496 Magnum and 8.1S Mercruiser stern drives and inboard engines. Sandwiches 8M2000433 turbulator plate

Genuine Mercruiser 8M2000433 Big Block V8 Turbulator Plate Includes gaskets on either side of the plate bonded on. Suitable fitment between riser and manifold on 496 8.1.