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Sierra | SKU: 18-1957-2

Sierra Exhaust Manifold 18-1957-1

$512.99 $569.99

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📦 Ships from Canadian warehouses (AB, ON, QC)

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📦 Delivered in 3–7 business days (Canada)
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Port & Starboard
Replaces: 89011A8, 807078A6
454 Engine Cubic Inches
Fits most Mercruiser (GM) V-8 big blocks with center riser
Use with:
Exhaust Manifold Gasket: 18-0418
Mounting Kit: 18-8532

SKU: 18-1957-2
Compatible Brand: Fits Mercury
Model number: 89011A8
Model number: 807078A6
Original Product Type: Exhaust Manifolds

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