MerCruiser 4.3L V6 Marine Exhaust Manifold Assembly | 51220

Used MerCruiser 4.3L V6 marine exhaust manifold assembly, featuring casting number 51220. This cast-iron exhaust manifold is designed to collect exhaust gases from one bank of a V6 marine engine and route them through the marine exhaust system.

The assembly includes the exhaust manifold, attached exhaust elbow/riser section, rubber exhaust coupler, hose clamps, and additional fittings as pictured.

Ideal for replacement, restoration, or marine engine repair applications where compatible.

Highlights

• MerCruiser Marine Exhaust Manifold Assembly

• Designed for Certain 4.3L V6 Marine Engines

• Casting Number 51220

• Cast-Iron Exhaust Manifold

• Three Exhaust Port Connections

• Attached Exhaust Elbow / Riser Section

• Rubber Exhaust Coupler Included

• Stainless-Steel Hose Clamps

• Additional Fittings Included as Pictured

• Used Marine Engine Component

• Suitable for Replacement or Rebuilding

• Untested – Sold As-Is

• Sold Exactly as Pictured

Condition

Used condition with visible cosmetic wear consistent with previous marine use, including surface rust, oxidation, discoloration, and scratches.

The manifold exterior has a black protective coating with some areas showing corrosion and worn finish. The rubber exhaust coupler shows signs of aging and surface wear.

The manifold has not been pressure tested or internally inspected for cracks, corrosion, water passage restrictions, or leaks.

The condition of the internal water jackets and exhaust passages is unknown. Inspection, cleaning, and replacement of gaskets or worn components are recommended before installation.

Sold AS-IS in untested condition.

Please review all photos carefully for exact condition and included components.

Specifications

Make: MerCruiser

Product Type: Marine Exhaust Manifold Assembly

Engine Compatibility: Certain MerCruiser 4.3L V6 Engines

Engine Displacement: 4.3L

Engine Configuration: V6

Casting Number: 51220

Material: Cast Iron

Exhaust Ports: 3

Exhaust Elbow / Riser: Included as Pictured

Rubber Exhaust Coupler: Included

Hose Clamps: Included

Condition: Used – Untested

Quantity: 1 Assembly

Fitment: Buyer must verify casting number, mounting configuration, exhaust connections, and engine serial number before purchase.

Shipping

Shipping is available. Buyer must verify whether delivery will be to a residential or business address and whether a forklift is available for unloading, if applicable.

Dealer Sale – Sunset Marine TX LLC

SKU: 11118