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Sierra 18-1973 Exhaust Manifold Riser

Original price $198.99 - Original price $198.99
Original price
$198.99
$198.99 - $198.99
Current price $198.99

Sierra 18-1973 Exhaust Manifold Riser

  • 2 1/2 in. Exhaust Riser
  • 90 degree down angle
  • Fits most early model 120HP Mercrusier applications
  • Replaces Mercruiser 55538A2
  • Replaces osco 5538

Replacement for Mercruiser part #'s 55538; 39920; etc. Used on 4 cyl and Inline 6 cyl Engines only. Includes all pipe plugs and mounting gasket. 3 Year Warranty. NOTE:Replaces OEM part # MERCURY MARINE 55538A2 For: most early Model 120 HP Mercruiser applications Use with Manifolds: 18-1954-1; 18-1955-1; 18-1956-1 Elbow Gasket 18-2833 Mounting Kit: 18-8508