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Sierra Mercruiser GM Big Block Exhaust Manifold - 18-1957-2
Item: #1555728 | Part Number: 18-1957-2$414.78
Description
Sierra Mercruiser GM Big Block Exhaust Manifold for MerCruiser 330, 340, and 454 Magnum Big Block V8 marine gas engines Features: Interchangeable between port and starboard side Ideally suited for freshwater applications Heavy duty cast iron Painted black Includes all gaskets, short riser studs, drain elbow, and plugs Manifold mounting...
Sierra Mercruiser GM Big Block Exhaust Manifold - 18-1957-2 Item # 1555728
Description
Sierra Mercruiser GM Big Block Exhaust Manifold for MerCruiser 330, 340, and 454 Magnum Big Block V8 marine gas engines
Features:
- Interchangeable between port and starboard side
- Ideally suited for freshwater applications
- Heavy duty cast iron
- Painted black
- Includes all gaskets, short riser studs, drain elbow, and plugs
- Manifold mounting not included
Replaces:
- Barr: MC-1-89011
- GLM: 51240
- HE: 9011
- Mallory: 9-40506
- Marine Power: 0991-1000
- Mercruiser Stern Drive:
- 807078Q07
- 807078T08
- Osco: 9011