Mercury – Solenoid Switch Relay Down | Trim System Component | Marine-Grade Construction | 898103T10

Overview

If you run a jet outboard or a high-horsepower Verado, you know how much you depend on the trim system to respond the moment you touch the switch. When the relay is healthy, trimming the engine down feels immediate — a smooth, steady drop that settles the boat and gets you ready to accelerate, maneuver, or push through chop. The Quicksilver 898103T10 Solenoid Switch Relay Down restores that dependable feel. It’s one of those essential little pieces that keeps your boat behaving the way you expect, whether you’re fighting current in a river or running a long offshore stretch with a heavy load.

Key Features

• OEM-spec trim-down relay for reliable electrical control
• Fits Mercury 25–30 horsepower Jet 3-cylinder outboards
• Also fits Mercury 200, 250, and 300 horsepower Pro Verado outboards
• Compatible with 350–400 horsepower Verado engines, including PRO and Racing variants
• Engineered for harsh marine environments and saltwater exposure
• Hardware not included

Engine & Boat Compatibility

• Fits Mercury Jet outboards (25–30 HP), serial range 0R106999–1R162636
• Compatible with the following Verado engines:
  • 200, 250, 300 HP Pro Verado (FourStroke, 6-cylinder, serial 1B830170–2B577715)
  • 350–400 HP Verado and 350 PRO / 400R Racing Verado (FourStroke, 6-cylinder, serial 2B141124–3B342962)
• Ideal for:
  • Jet boats
  • Offshore center consoles
  • High-performance fishing rigs
  • Sport boats and performance hulls
  • Freshwater and saltwater applications

Performance & Practical Benefits

On the water, trimming down isn’t just convenience — it’s control. When you need the bow to bite before takeoff, or you’re trying to level the boat in a stiff breeze, you need a relay that responds without hesitation. With an aging or failing relay, trim-down commands can feel weak, sluggish, or intermittent. Installing a Quicksilver 898103T10 relay brings back that tight, confident movement you rely on.

Mercury engineered this relay to handle consistent electrical load and rapid cycling. When you press the trim switch, the relay snaps cleanly into action, sending stable power to the pump. That means smoother trim transitions, better control in tight water, and more predictable boat handling. Its marine-grade construction resists moisture intrusion, corrosion, and vibration — all the things that slowly kill electrical components over time.

For Verado owners, this relay’s reliability is especially important. High-output engines put more demand on trim systems, and a dependable OEM relay ensures your motor responds exactly when and how it should. Whether you’re trimming down after coming off plane or adjusting your attitude in rough water, the performance difference is noticeable.

Why Buy OEM

Electrical parts are one area where cutting corners isn’t worth it. Aftermarket relays often have weaker internal contacts, inconsistent coil performance, or casings that don’t hold up to heat and moisture. That leads to misfires, slow trim response, or complete failure. A genuine Quicksilver relay is matched to Mercury’s exact electrical requirements, giving you long-term dependability and the peace of mind that comes with proper fit and factory-tested durability. Seasoned boaters stick with OEM for a reason it saves time, protects your equipment, and avoids headaches on the water.

FAQ

Q1: Which engines does the 898103T10 relay fit?

It fits Mercury 25–30 HP Jet outboards and a wide range of 200–400 HP Verado engines.

Q2: What makes this relay different from aftermarket options?

OEM engineering ensures clean electrical switching, proper fit, and superior long-term performance in marine environments.

Q3: How do I verify the correct relay for my setup?

Match your engine’s serial number to the ranges listed above or check your wiring diagram in the service manual.

Q4: Can this relay be used in saltwater?

Absolutely. It’s engineered and tested for saltwater durability.

Q5: Does it come with mounting hardware?

No — you’ll use your existing hardware.