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Sierra MerCruiser 7.4 454 502 Exhaust Manifold & Riser Kit 18-1957-1 18-1957-2 18-1976-2

Marine parts, fast fulfillment, real support

Get the right part without slowing down your season. PowerBoatSupply helps boat owners order with confidence, backed by trusted marine parts expertise and responsive support.

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Brand:: Sierra

Part Number:: k-sierra454

$1,303.16 $999.99

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Description

Sierra MerCruiser 7.4 454 502 Big Block V8 Center Riser Exhaust Manifold & Riser Kit

2x Manifold 18-1957-1 SS to 18-1957-2

Replaces
• Osco: 9011A
• GLM: 51240
• MerCruiser: 89011A8 , 807078T08 , 807078T10 , 89011
• Barr marine: MC-1-89011

2x Riser Elbow 18-1976-2

Replaces:
• MerCruiser: 44354A3 & 807914A1 & 807988Q03
• GLM: 51140
• Osco: 4354
• Barr Marine: MC-20-44354
• Aqua Power: 5706
• Old Sierra Number: 18-1976-1

Kit Contains:
• 2x Exhaust Manifold
• 2x Manifold to Riser/Elbow Gasket
• 2x Manifold to Head Gasket
• 2x Drain Elbow Plug
• 2x 4" Riser Elbow
• 8x Riser Bolts
• Various Plugs and Fittings

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Specs

UPC:	K-SIERRA454
MPN:	18-19571 18-19532

Reviews

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