Mercury – Quicksilver Engine Starter | Diesel Starting Series | Durable Marine Construction | 8M6007442

Overview

If you’ve ever depended on a Yanmar diesel engine to push you through a long inlet or relied on a lift truck to keep a workday moving smoothly, you know how much a good starter matters. It’s that split-second moment when everything either comes alive or stalls your momentum. When you hit the ignition and the engine fires immediately, there’s a sense of confidence that settles in — a quiet reassurance that your equipment is ready for the day ahead. The Mercury Marine part number 8M6007442 Quicksilver Engine Starter delivers exactly that kind of reliability, whether you’re miles offshore or managing a busy loading area.

Key Features

• Twelve-volt starter engineered for select Yanmar marine engines and Toyota lift trucks
• Offset gear reduction for strong, efficient cranking power
• Clockwise rotation with a twelve-tooth gear for proper engagement
• Permanent magnet design ensures smooth starts and dependable torque
• High temperature epoxy armature protects wiring from moisture and corrosion
• Built with ninety–ten copper bushings or heavy duty needle bearings for long life
• Meets Marine SAE J1171 ignition protection standards
• Part Number: 8M6007442

Engine & Boat Compatibility

• Designed for various Yanmar diesel engines used in sailboats, trawlers, auxiliary power units, and commercial vessels
• Fits Toyota lift trucks equipped with compatible diesel platforms
• Suitable for marine environments ranging from saltwater harbors to freshwater lakes
• Compatible with industrial machinery that runs Yanmar power systems

Performance & Practical Benefits

This starter brings a level of performance you can actually feel. The offset gear design delivers fast, strong, steady cranking — the kind of engagement diesel engines demand. Whether you’re cold-starting at dawn or restarting after hours of heavy use, the engine responds with a confident turn.

The epoxy-sealed armature protects the internal wiring from damp engine compartments, temperature swings, and constant vibration. That small detail becomes a big advantage when you rely on your engine day after day. The copper bushings or needle bearings keep the rotation smooth, creating a tight, clean feel every time the starter engages.

On the water, that means fewer worries when starting in chop, wind, or tight marina spaces. In industrial settings, it means fewer delays, fewer mechanical surprises, and equipment that responds exactly when needed. This starter stays strong through long seasons, heavy work cycles, and the unpredictable conditions that come with both marine and industrial environments.

Why Buy OEM

A Mercury Marine OEM starter isn’t just a replacement — it’s a guarantee of proper fit, correct torque, and long-term reliability. Aftermarket options often use weaker internal magnets, inferior bushings, or unprotected wiring. Those shortcuts usually show up at the worst possible moment. With OEM, you know the engineering, materials, and safety standards match the demands of your Yanmar or Toyota system. It’s a practical, cost-effective decision that protects your equipment and your peace of mind.

FAQ

Q1: Which engines does this starter fit?

It fits select Yanmar diesel engines and compatible Toyota lift truck models.

Q2: What makes this starter superior to aftermarket versions?

OEM-grade durability, copper bushings, corrosion-resistant epoxy protection, and tested marine safety standards.

Q3: How do I confirm compatibility?

Match your engine model to part number 8M6007442 or check your owner’s manual.

Q4: Can it be used in both saltwater and freshwater?

Yes — it’s engineered for tough marine environments and industrial conditions alike.

Q5: Is installation simple?

Most technicians and experienced owners can install it with standard tools.