Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1953-2

Center rise exhaust manifold fits Mercruiser GM 5.0L & 5.7L CID marine engines.

• Mercruiser GM Small Block Exhaust Manifold
• Direct replacement manifold fits Mercruiser GM V8 305, 350, 377, and 383 cu. in. engines with center riser
• For Mercruiser 898R, 228R, & 260R model engines
• Interchangeable between port and starboard side
• Heavy duty cast iron
• Painted black
• Includes all gaskets, manifold mounting bolts, drain elbow, and plugs
• Manifold mounting kit P/N 18-8520 sold separately
• Replaces Mercruiser 860336A2, 87114A8, 87114A19, 860246A3, 860246A9, 87114A30, 860337A2, 860246A7, 860246A10, 860246A15 | Replaces Osco 7114B2 | Replaces Sierra 18-1953, 18-1953-1

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