Sierra 18-1974-1 MerCrusier V6/V8 Manifold Elbow

Sierra 18-1974-1 MerCrusier V6/V8 Manifold Elbow Replaces 98502A2

This item has been discontinued by the manufacturer and is no longer available.

This Sierra aftermarket exhaust manifold elbow is for MerCruiser V6 and V8 engines. This manifold elbow has a 3" outlet with a 0° down angle and comes with brass plugs and a gasket (18-0897).

Application Info:

MerCruiser V6/V8 engines

Use With:

• Exhaust Elbow Gasket: 18-0672 for MerCruiser V6/V8 GM engines with center rise outlet exhaust manifolds
• Exhaust Elbow Gasket 18-2849-1 for MerCruiser V6/V8 GM engines from 1998-2001
• Exhaust Elbow Gasket 18-0897 for MerCruiser V6/V8 GM Engines from 1981-1997
• Exhaust Manifold 18-1957-2 for MerCruiser V8 GM Engines from 1981-2002
• Exhaust Manifold 18-1953-2 for MerCruiser V8 GM 305, 350, 377 CID engines from 1983-2002
• Exhaust Elbow Mounting Kit 18-8529 for MerCruiser V6 GM 185 & 205 engines 
• Exhaust Elbow Mounting Kit 18-8554 for MerCruiser V6 305/350SB & 454 Big Block V8

Interchange:

• Mallory
• 9-40554
• Mercruiser
• 98502A2
• Aqua Power
• 5733
• Barr
• MC-20-98502
• Osco
• 8502

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