Description

MerCruiser Quicksilver 350 MPI Horizon Inboard Down Angle (8M0136296)

Premium 300HP Fully-Dressed Marine Engine from Seawave Marine

The MerCruiser Quicksilver 350 MPI Horizon Inboard Down Angle (8M0136296) is a premium, fully-dressed 300HP marine engine engineered for long-range reliability, clean performance, and smooth acceleration. Designed specifically for boats requiring a down-angle inboard transmission, this 5.7L Multi-Port Injection marine engine is a trusted repower choice for owners seeking durability with lower fuel consumption.

As an authorized marine supplier, Seawave Marine provides genuine MerCruiser engines, expert installation support, certified warranty protection, and access to OEM parts.

Key Features & Benefits

The 350 MPI Horizon is known for its industry-proven reliability, making it a popular upgrade option for those comparing:

• MerCruiser 350 MAG MPI problems – improved reliability over older generations

• MerCruiser 350 MAG MPI for sale alternatives

• MerCruiser 350 MAG MPI specs vs 350 MPI Horizon

• Used MerCruiser 350 MAG MPI for sale – often replaced with this NEW model

• MerCruiser 350 MPI fuel consumption – optimized with MPI system

This model includes:

✅ 100% New Quicksilver Engine Block
✅ Downdraft Multi-Port Fuel Injection (MPI)
✅ Cool Fuel II delivery system
✅ SmartCraft compatibility
✅ Engine Guardian protection system
✅ Premium corrosion-resistant components
✅ Direct-drive down-angle compatibility

Technical Specifications

Compatibility Notes

This engine is ideal for repower projects replacing:

• MerCruiser 5.0 EFI

• MerCruiser 5.0L MPI

• MerCruiser 5.7L EFI

• Older 350 MPI Horizon models

⚠️ Important:
This engine will NOT work with a V-Drive transmission. It is specifically engineered for direct-drive inline installations.

Warranty Information

Every MerCruiser 350 MPI Horizon Inboard Down Angle engine purchased from Seawave Marine includes:

✅ 3-Year Factory MerCruiser Warranty
✅ OEM service support
✅ Access to authorized technicians
✅ Protection against manufacturing defects

Frequently Asked Questions (FAQ)

Q1: What is the price of the MerCruiser Quicksilver 350 MPI Horizon Inboard Down Angle (8M0136296)?

Pricing varies by configuration and availability.
Contact Seawave Marine for the latest 8M0136296 price.

Q2: What’s the difference between the 350 MPI Horizon and the MerCruiser 350 MAG MPI?

The 350 MPI Horizon includes enhanced corrosion protection, updated rocker arm technology, and upgraded emission components. It also addresses several known MerCruiser 350 MAG MPI problems found in older models.

Q3: What is the oil capacity of the MerCruiser 350 MAG / 350 MPI?

Typical oil capacity is 5–6 quarts, but always confirm using the official MerCruiser 350 MAG MPI service manual.

Q4: Do you provide installation services?

Yes. Seawave Marine offers installation guidance and can coordinate certified MerCruiser technicians.

Q5: Are parts diagrams or manuals available?

Yes — including:

• MerCruiser 350 MAG MPI parts diagram

• MerCruiser 350 MAG MPI service manual

Request documentation through Seawave Marine support.

Q6: Do you sell used MerCruiser 350 MAG MPI engines?

Seawave Marine occasionally has used MerCruiser 350 MAG MPI for sale, but this listing is for the 100% NEW 350 MPI Horizon engine.

Why Choose Seawave Marine?

Seawave Marine is a trusted international supplier of premium marine engines. Customers choose us for:

✅ Verified OEM MerCruiser engines
✅ Competitive pricing
✅ Expert technical guidance
✅ Worldwide shipping
✅ Full warranty coverage
✅ Access to manuals, diagrams & installation support