Rareelectrical Exhaust Flapper Water Shutter Compatible With 1982-1997 Mercruiser V6 V8 Sterndrive 3.0L-7.4L 120 140 228 260 350 Mag Replaces 14348A1 807166A3

MERCRUISER V6/V8 STERNDRIVE — 3.0L-7.4L (1982-1997): 185 2BBL (1985-1987) 175 2BBL (1987) 200 2BBL (1985-1987) 205 4BBL (1985-1987) 228 4BBL (1982-1984) 230 4BBL (1985-1987) 260 4BBL (1982-1987) 350 MAG (1986-1995) 4.3L 2BBL (1988-1992) 4.3LX 4BBL (1988-1995) 5.0L / 5.7L / 7.4L Models (1982-1997) Fits V6/V8 engines with 4" oval Y-pipes and round pin holes OEM PART NUMBERS: Exhaust Flapper: 807166A3 / 14348A2 / 14348A1 / 14348 Supersession: 14348 → 14348A1 → 14348A2 → 807166A3 Exhaust Flapper Water Shutter — MerCruiser V6/V8: Water shutter prevents exhaust water backflow into engine when not running. For 4" Y-pipes with round pin holes. Does not fit V6 with one-piece manifold (use 807166A2) or Y-pipes with rectangular holes (use 807166A1). ⚠️ IMPORTANT: Verify Y-pipe hole shape before ordering — round holes = 807166A3, rectangular = 807166A1.

• Compatible with Mercruiser. Please verify your OEM part number from your original unit to help ensure fitment.
• Replaces: Oem Part Numbers: / Exhaust Flapper: 807166A3 / 14348A2 / 14348A1 / 14348 / Supersession: 14348 → 14348A1 → 14348A2 → 807166A3 / / Specifications: / Type: Exhaust Flapper / Water Shutter / Diameter: 2.5" At Cross Pin / Y-Pipe: 4" Oval With Round Pin Holes / Engine Range: V6/V8 3.0L-7.4L / Years: 1982-1997 / Condition: New
• Applications: Mercruiser V6/V8 Sterndrive 3.0L-7.4L: / Models 120/140/165/185/200/205/228/230/260/350 Mag (1982-1997) / 4.3L/4.3Lx/5.0L/5.7L/7.4L (1982-1997) / 4" Oval Y-Pipes With Round Pin Holes
• Applications: ...
• Exhaust Flapper Source: Aftermarket