Mercury – Alternator | FourStroke, Verado & Racing Series | Marine-Grade Steel | 892940T02

Overview
Every boater knows that a healthy electrical system changes the entire feel of a day on the water. When the alternator is doing its job, everything works with that smooth, steady predictability you count on—the engine idles cleanly, electronics stay bright, and you never wonder whether the batteries will be ready when you head home at sunset. This Mercury Marine part brings that kind of assurance. It’s designed for long runs, choppy conditions, and the constant load of modern outboards, giving you the confidence that your engine is charging exactly the way it should.

Key Features
• Provides consistent charging output for 135–400 horsepower Mercury FourStroke and Verado models
• Marine-grade steel housing built for heat, vibration, and moisture resistance
• Precision-wound internal coils for stable electrical output
• Engineered with Mercury’s factory specifications for long-term reliability
• Straightforward installation with standard shop tools

Engine & Boat Compatibility
• Fits 135–400 horsepower Mercury FourStroke engines
• Compatible with Verado (four- and six-cylinder), Pro, Racing, and Electronic Fuel Injection outboards
• Common on offshore center consoles, bay boats, freshwater fishing boats, pontoons, and sport cruisers

Performance & Practical Benefits
A strong alternator does more than charge your batteries—it stabilizes your entire system. With this unit, power delivery stays steady whether you’re running electronics, powering pumps, or idling for long stretches. You’ll notice smoother engine behavior, fewer voltage dips, and more reliable starts after hours on the water.

The marine-grade steel housing withstands heat from high-output engines and the constant vibration of rough seas. Inside, the precise coil windings ensure clean electrical output that protects sensitive electronics. The fitment feels natural, with bolt points lining up exactly the way they should. Once installed, the alternator does its work quietly, delivering that easy confidence boaters appreciate when they rely on everything from chart plotters to livewell systems.

Maintenance is minimal, and the alternator holds up season after season even for anglers and boaters who push long miles every weekend. It’s not a flashy part—it’s a dependable one, and that’s exactly what you want in your charging system.

Why Buy OEM
Choosing an original Mercury Marine part means choosing certainty. Aftermarket alternators often struggle to match factory output levels or fitment tolerances, which can lead to charging issues, overheating, or premature wear. With OEM, you get a part engineered for the exact electrical parameters of your engine. It installs cleanly, works correctly from day one, and saves you from the hidden costs that come with mismatched components.

For any boater who values reliability, OEM is simply the practical choice.

FAQ

Q1: Which engines does this alternator fit?
It fits 135–400 horsepower Mercury FourStroke, Verado, Pro, Racing, and Electronic Fuel Injection outboards.

Q2: How is it different from aftermarket options?
It matches Mercury’s exact charging output and durability standards, giving you stable and dependable power.

Q3: How do I confirm it’s correct for my engine?
If your manual or parts diagram lists part number 892940T02, this is the correct replacement.

Q4: Is it suitable for saltwater and freshwater boats?
Yes—its marine-grade steel housing resists corrosion in both environments.

Q5: Is installation straightforward?
Most owners or technicians can install it with common tools and standard access to the alternator mount.