8M0110820 Mercury MerCruiser 8M0115149 MerCruiser Bullhorn Exhaust Wishbone | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver MerCruiser Exhaust Y-Pipe / Bullhorn Assembly - Part Number: 8M0115149

Genuine Quicksilver MerCruiser exhaust Y-pipe, also known as a bullhorn or exhaust wishbone. This assembly supersedes 807130A4, 44266T1 and 44266T and is used on 1996 and newer MerCruiser sterndrive engines with Alpha Gen II and Bravo I / II / III drives using the oval-style exhaust outlet pipe layout.

⚙️ Key Features

• Genuine Quicksilver OEM exhaust Y-pipe / bullhorn assembly
• Correct Mercury part number 8M0115149
• Listing also references 8M0110820
• Supersedes 807130A4, 44266T1 and 44266T
• Suits MerCruiser V6 and V8 sterndrive engines with Alpha Gen II and Bravo drives
• Used with oval-style Y-pipe outlet exhaust systems
• Includes exhaust flapper service components where supplied as complete assembly

🚤 Compatibility

Commonly used on

• MerCruiser sterndrive exhaust systems
• Alpha Gen II and Bravo transom assemblies using oval-style Y-pipe outlets
• MerCruiser V6 and V8 petrol engines from 1996 and newer where 8M0115149 is specified

Typically suits

• Engine / drive models:
• MerCruiser 4.3L GM V6 sterndrive engines, 1996 and newer, with Alpha Gen II or Bravo drives
• MerCruiser 4.5L Mercury-built V6 sterndrive engines where the exhaust pipe diagram lists 8M0115149
• MerCruiser 5.0L GM V8 sterndrive engines with Alpha Gen II or Bravo drives
• MerCruiser 5.7L GM V8 sterndrive engines with Alpha Gen II or Bravo drives
• MerCruiser 350 MAG MPI sterndrive applications where 8M0115149 is specified
• MerCruiser 6.2L GM V8 sterndrive applications where specified
• MerCruiser 6.2L Mercury-built V8 sterndrive applications where specified
• MerCruiser 7.4L / 454 big-block sterndrive applications where the oval Y-pipe is specified
• MerCruiser 8.2L / 502 big-block sterndrive applications where specified
• MerCruiser Alpha One Gen II and Bravo I / II / III drive installations using the 807130A4 / 8M0115149 exhaust pipe family
• Engine Type: MerCruiser petrol V6 and V8 sterndrive
• Drive Type: Alpha One Gen II, Bravo One, Bravo Two and Bravo Three
• Year Range: 1996 and newer sterndrive applications where specified
• System Type: Exhaust Y-pipe / bullhorn / exhaust wishbone

🔌 Function

The exhaust Y-pipe routes exhaust gas and cooling water from both exhaust outlets through the transom assembly and into the sterndrive exhaust path.

⚠️ Common Signs of Failure

• Exhaust or water leak at Y-pipe
• Corrosion, cracking or rust staining
• Water intrusion risk through failed exhaust pipe
• Exhaust flapper damage
• Pipe damaged during transom service
• Replacement required during exhaust or transom overhaul

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 8M0115149 current OEM exhaust pipe assembly reference
• 807130A4 earlier OEM exhaust pipe assembly reference
• 44266T1 earlier OEM bullhorn / Y-pipe reference
• 44266T earlier OEM bullhorn / Y-pipe reference

OEM / Related Numbers

• 8M0115149
• 8M0110820 listing / related reference
• 807130A4
• 44266T1
• 44266T
• Bullhorn exhaust pipe
• Exhaust Y-pipe
• Exhaust wishbone
• MerCruiser exhaust pipe assembly
• Oval outlet Y-pipe
• Exhaust flapper kit family reference

Aftermarket / Verified Equivalents

• Aftermarket MerCruiser V6 / V8 exhaust Y-pipe replacements where matched to 8M0115149 / 807130A4
• Stainless or aftermarket bullhorn assemblies may be available for oval outlet Alpha / Bravo transom layouts
• Match outlet shape, transom assembly, engine family and exhaust flapper arrangement before substituting

📦 Condition

• Genuine Quicksilver part
• Brand new
• Supplied in original or equivalent packaging