# 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

  

🔄 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

  

🚤 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

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 1471.5 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1471.50 AUD | In stock |

## Images

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

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/8m0110820-mercury-mercruiser-8m0115149-mercruiser-bullhorn-exhaust-wishbone-genuine-quicksilver-oem-part)
> Updated: 2026-07-18