Mercury – Fuel Injector | Jet Drive & EFI Two-Stroke Outboard Engine Component | Precision-Machined Alloy | 840481T01

Overview

The Mercury 840481T01 Fuel Injector is built to deliver the right mix of fuel and performance for Mercury Jet Drive 240 and V150–250 EFI Two-Stroke outboards. Each injector is precision-engineered by Mercury Marine to ensure clean, consistent fuel delivery across the RPM range, giving you strong acceleration, smooth idling, and reliable starts every time.

Key Features

• Purpose: Optimizes fuel delivery for efficient combustion and consistent engine power.
• Material: Crafted from precision-machined marine-grade alloy, tested for long-term durability.
• Performance: Ensures smoother throttle response, better fuel economy, and cleaner running.
• Design: Factory-calibrated injector built to meet OEM specifications for flow rate and pressure.
• Ease of Use/Install: Direct-fit replacement—no tuning or special tools required for installation.

Compatibility

• Mercury Jet Drive Outboards: 240 HP
• Mercury EFI Two-Stroke Outboards: V150–V250 HP
• Boat Types: Jet Boats | Bass Boats | Performance Rigs | Center Consoles | Utility Boats

Performance & Real-World Benefits

This genuine Mercury injector restores precise fuel delivery for cleaner burns and improved efficiency. Whether you’re running shallow water in a jet drive or chasing top-end performance from an EFI V6, this part helps your engine start faster, run smoother, and respond better under load. It’s built to handle tough marine conditions without clogging, leaking, or drifting out of spec.

Why Choose OEM

Genuine Mercury Marine OEM parts are engineered and tested for exact fit and performance. Each fuel injector is calibrated for Mercury’s strict standards, something most aftermarket injectors can’t match. Using OEM ensures proper flow rates, pressure balance, and reliability—protecting your engine’s performance and fuel efficiency over time.

FAQ

Q1: What engines does this injector fit?
It fits Mercury Jet Drive 240 and Mercury V150–V250 EFI Two-Stroke outboards.

Q2: Do I need special tools to install it?
No, it’s a direct-fit replacement that installs easily using standard hand tools.

Q3: Will this improve performance on older engines?
Yes—replacing worn injectors can restore throttle response, smoother idling, and better fuel economy.

Q4: Is it resistant to ethanol and corrosion?
Absolutely. It’s made with marine-grade materials designed for today’s fuel blends and harsh conditions.

Q5: How many injectors come in the package?
Each package includes one OEM-spec fuel injector.