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Sierra 18-1957-2 MerCruiser 340 454 V8 Big Block Marine Exhaust Manifold 89011

Sierra 18-1957-2 MerCruiser 340 454 V8 Big Block Marine Exhaust Manifold 89011

Original price was: $51.78.Current price is: $36.67.

12 in stock

SKU: ZWJAB554392 Category:

Description

New exhaust manifold for MerCruiser 330, 340, and 454 Magnum Big Block V8 marine gas engines (GM/Chevrolet). This manifold is a center rise style, will fit either side of the engine, and accepts all original mounting brackets. Comes with gaskets and all necessary plugs. Each purchase is for one manifold.

This part is new and high-quality cast iron construction. To determine if this is the correct replacement for you, look on your current part for casting numbers and match them to the cross reference below:

Cross Reference Part Number
MerCruiser 807078A6, 89011A8, 89011
Osco Motors 9011
Barr Marine MC-1-89011
Sierra Marine 18-1957-1, 18-1957-2
HGE 7114
Aqua Power 5506
GLM Products 51240
Marine Power 0991-100

About SierraSierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.

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