807166A3 14348A1 Exhaust Flapper Water Shutter Y Pipe for MerCruiser 1982 1996

This Exhaust Flapper Water Shutter Y-Pipe is a marine exhaust component compatible with 1982-1996 MerCruiser engines and matches OEM Part# 807166A3, 14348A1.

Product Overview

This exhaust flapper water shutter y-pipe is a direct replacement for the MerCruiser Y-pipe assembly in 1982-1996 models. The exhaust flapper water shutter y-pipe prevents water backflow into the engine through the exhaust system. Ideal for boat owners and marine mechanics, this y-pipe ensures reliable operation of the wet exhaust system.

Key Features & Performance

• Constructed from corrosion-resistant cast materials for marine use
• Integral flapper valve opens and closes to prevent water intrusion
• Direct bolt-on replacement for original MerCruiser Y-pipe
• OEM-spec design matches factory dimensions and port locations
• Designed to withstand high exhaust temperatures and saltwater environments

Fitment & Compatibility

• Fits 1982-1996 MerCruiser stern drive engines
• Replaces OEM Part# 807166A3 and 14348A1

Common Uses

• Replacing worn, cracked, or corroded Y-pipe in MerCruiser exhaust riser system
• Restoring proper exhaust flow and water separation in marine engines
• Preventing seawater from entering engine cylinders via exhaust
• Servicing boat exhaust system during winterization or overhaul

Technical Specifications

• Part Number(s): 807166A3, 14348A1
• Year Range: 1982-1996
• Application: MerCruiser Marine Engines

Frequently Asked Questions

Q: Will this fit my MerCruiser 3.0L engine? A: This Y-pipe is compatible with many 1982-1996 MerCruiser engines; verify your specific engine model and serial number.

Q: Does this include the mounting gaskets? A: Gaskets are not included; they must be purchased separately for a proper seal.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.