Mercruiser OEM Factory Exhaust Systems - OEM Mercruiser 496 / 8.1L Big Block Chevy

Exhaust Manifold Mercruiser 866178T01

Cast iron exhaust manifolds w/o water rail, Port or Starboard
Fits: MCM/MIE 8.1L & 8.2L non‑EC engines

Supercedes: 863127T1, 863127T02

• Converts exhaust manifolds with water rails to the newer style, cast iron manifolds without water rails.
• For select MerCruiser stern drive and inboard engines.
• Coated for corrosion protection on internal coolant passages and exterior finish.
• Gasket, drain plug, o-ring and drain elbow are included with the manifold.
• Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive

Exhaust conversion kit 866178A02 converts exhaust manifolds with water rails to the newer style, cast iron manifolds without water rails. For use on 496 Magnum and 8.1S MerCruiser stern drive and inboard engines.

• Replacement standard exhaust elbow for select MerCruiser stern drive or inboard engines.
• Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive

Exhaust elbow 865331A02 is for use on MerCruiser 496 Magnum stern drive and 8.2L Magnum (non-EC) inboard engines.

• Elbow is 2" higher than standard exhaust elbow.
• Replacement exhaust elbow for select MerCruiser stern drive or inboard engines.
• Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive

Exhaust elbow 865332A02 is for use on MerCruiser 496 Magnum stern drive and 8.2L Magnum (non-EC) inboard engines. The elbow is 2" higher than standard elbows for those engines.

GASKET Mercruiser 27-862356

GASKET Mercruiser 8M2000433

Supercedes: 863122

RAIL-WATER Mercruiser 862992T1

Supercedes: 8629921