Sierra 18-1939 Riser

Sierra 18-1939 Riser Features:

• Durable construction
• Non-corrosive
• Hard-wearing parts and components
• Material: Cast iron
• Use with:
  • 18-0476: Riser Block Off Gasket
  • 18-1898: Manifold
  • 18-1997-1: Manifold
  • 18-1998-1: Manifold
  • 18-4364: Exhaust Elbow Mounting Package (Open)
  • 18-8535: Exhaust Elbow Mounting Kit (Blocked)
  • 18-2854-9: Exhaust Elbow Gasket (Priced Per Pkg of 2)

• Replaces:
  • Barr 20-0100
  • GLM 56140
  • Mallory 9-40113
  • Marine Power 0992-593
  • Osco 99204