Sierra 116-290-4000KIT 4" 90-Degree High-Temp EPDM Marine Exhaust Elbow with T-Bolt Clamps

The Sierra 116-290-4000KIT is a 4-inch inside diameter, 90-degree marine wet exhaust elbow constructed from 100% high-temperature EPDM rubber. Designed for use with fiberglass exhaust tubing and rigid exhaust pipe, this pre-formed elbow simplifies routing in tight engine compartments where straight hose runs aren't possible.

Key Features:

• 4" Inside Diameter — 90-degree pre-formed EPDM rubber elbow for precise, leak-free bends
• High-Temperature EPDM Construction — Rated for continuous operation from -40°F to 250°F (-40°C to 121°C)
• Includes Four 316 Stainless Steel T-Bolt Clamps — 3/4" wide clamps with 18-8 stainless steel lock nuts; meets double-clamp requirements at each end
• Marine Wet Exhaust Rated — Engineered specifically for wet exhaust system applications
• Dimensions: ID: 4.00" (101.6mm) | A: 5-3/4" | B: 5-3/4" | C: 1-1/4" | Wall Thickness: 1/4"
• Five-year manufacturer warranty

Installation requires a minimum of two stainless steel clamps (1/2" wide minimum) at each connection end — all four clamps are included in this kit. Note: For wet exhaust applications only; not recommended for hose-to-hose connections.