GLM Marine Catalog - Exhaust

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer, 3" Hose Riser

Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer, 3" Hose Riser
Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Exhaust Elbow replaces OMC / Volvo part # 3850799

For OMC Model 3.0 / 3.0 HO GM 181 CID 4 Cyl. (1991 and up)
For Volvo Model 3.0 GS GM 181 CID 4 Cyl. (1992 & up)

Exhaust Manifold Assembly Replaces OEM# 3858870

For OMC: Model 3.0/3.0 H.O. (Except 302 BMRRGD) GM 181 CID 4-Cyl. (1991 & After)
For Volvo Penta: Model 3.0GS GM 181 CID 4-Cyl. (1992 & After)

Exhaust Manifold

For OMC: MODEL 7.4/8.2L - V8 B.B., GM 454/502 CID (1991 & UP)
For Volvo: MODEL 7.4/8.2L - GM 454/502 CID V8 (1992 & UP) #3861459

Exhaust Manifold Assembly replaces Volvo part # 3857723

For OMC: Model 5.7L GM 350 CID V8 (1990 & After)
For Volvo: Model 5.7L GM 350 CID V8 (1993 & After)

Exhaust Manifold Assembly replaces Volvo part # 3857656

For OMC V6 4.3L 262 CID (1991 and later)
For Volvo V6 4.3L 262 CID (1992 and later)

Port Elbow Tube (Stringer Mount) replaces MerCruiser part # 909610

3" Spacer Kit (Cast Iron) replaces MerCruiser part # 93320A15

Fits:
• 2001-02 MCM 4.3L MPI (0M300000-0M614999)
• 2001-02 MCM V8 (305, 350 & 377 CID) MPI engine (0M300000-0M599999)
• 2001-02 MIE & Ski V8 (350 & 377 CID) MPI engines (0M300000-0M316999)
• Fits only the above engines with cast iron elbows.

Starboard Elbow Tube (Stringer Mount) replaces MerCruiser part # 909609

Stock Mercruiser Replacement Small Block Chevy 305/350 5.0/5.7L Cast Iron Exhaust Kit (3" Hose Connection)
GM V8 Small Block without Spacer, 3in Elbow Kit

• Direct Replacement for Mercruiser 1987-2002 Small Block Chevy 305/5.0L and 350/5.7L Manifolds and Risers
• Constructed from Heavy Duty Cast Iron
• Individual Runners for Improved Performance over Stock Manifolds
• 4 inch, Standard Risers with 7 degree down angle. accepts 4" hose or bellows
• Kit Includes all gaskets and bolts needed for installation

Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 3” Spacer
Mercury Big Block Chevy Exhaust Kit with 3 Inch Spacer. This kit has 3 Inch Elbow Kit used with 3" exhaust hose. For 1981 & Up.

Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 6” Spacer
Mercury Big Block Chevy Exhaust Kit with 6 Inch Spacer. This kit has 3 Inch Elbow Kit used with 3" exhaust hose. For 1981 & Up.

Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 3” Spacer
Mercury Big Block Chevy Exhaust kit with 3 Inch Spacer. This kit has 4 Inch Elbow Kit used with 4" exhaust hose. For 1981 & Up.

Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 6” Spacer
Mercury Big Block Chevy Exhaust Kit with 6 Inch Spacer. This kit has 3 Inch Elbow Kit used with 4" exhaust hose. For 1981 & Up.

Mercury Replacement Big Block Chevy 454/7.4L and 502/8.2L (Cast Iron) 3" Exhaust Kit

• Direct Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
• Manifolds and 3" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
• Riser has 15° down angle mounts with studs and nuts 1983-1995 Mercruiser V6, V8 engines with the center rise manifolds, uses 3" hose or bellows
• Individual Runners for Improved Performance over Stock Manifolds
• Replaces Mercruiser #807078T10 and 89011A8 Manifolds
• Replaces Mercruiser #98504A3 Risers
• Includes Bolts and Gaskets

Mercruiser GM V8 BBC 454/7.4L and 502/8.2L Raw/Fresh Water Cooling System w/out Spacer

• Direct Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
• Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
• Individual Runners for Improved Performance over Stock Manifolds
• Replaces Mercruiser #807078T10 and 89011A8 Manifolds
• Replaces Mercruiser #807988A03 and 44354A3 Risers
• Includes Bolts and Gaskets

• Standard or Closed Cooling versions.
• Dry Manifold/Riser Joint does not pass water between
• Constructed from Heavy Duty Cast Iron
• 1.7" Spacer
• Includes Bolts and Gaskets
• Replaces Mercury OEM 865995A01

• Standard or Closed Cooling versions.
• Dry Manifold/Riser Joint does not pass water between
• Constructed from Heavy Duty Cast Iron
• 3" Spacer
• Includes Bolts and Gaskets
• Replaces Mercury OEM 864929A3