Mercury – Quicksilver Engine Starter | Direct Drive 42MT Series | 12-Volt | 8M6007273

Overview

There’s something reassuring about equipment that starts right when you need it to — no lag, no hesitation, just steady power coming to life the moment you turn the key. Whether you’re working a field at sunrise, firing up heavy machinery on a job site, or getting a commercial boat ready for a long day on the water, that reliability matters. The Quicksilver 8M6007273 starter is built for moments like these. It feels solid, trustworthy, and ready for the kind of tough, everyday environments where dependable gear isn’t just helpful — it’s essential.

Key Features

• Twelve-volt direct drive starter
• Clockwise rotation with a twelve-tooth, 42MT Series gear design
• High-temperature epoxy armatures protect wiring and resist moisture and corrosion
• Heavy-duty needle bearings or copper bushings for smooth, long-term performance
• Permanent magnet construction delivers strong torque and consistent engagement
• Meets Marine SAE J1171 ignition protection standards

Engine & Boat Compatibility

• Designed for agricultural, industrial, and marine engines from major brands including:
  • Caterpillar
  • Fiat-Allis
  • Timberjack
  • Case
  • Cummins
  • Perkins
  • Steiger
  • White
• Works with numerous Delco original equipment numbers
• Ideal for tractors, heavy-duty machinery, commercial vessels, utility equipment, and construction rigs
• Suitable for both freshwater and saltwater conditions

Performance & Practical Benefits

This starter is built to handle real-world workloads — the long hours, constant vibration, moisture, dirt, and temperature swings common in industrial and marine environments. Its direct drive design provides a strong, steady crank that gets large diesel engines turning with confidence. You’ll notice how clean the engagement feels: tight, smooth, and unhesitating, even after long periods between starts or during colder mornings.

Inside, the construction is focused on longevity. The epoxy armatures keep wiring secure, resisting corrosion and heat buildup. The bearings deliver smooth rotation under heavy load, helping the starter maintain performance over months and years of demanding use. Installation is straightforward thanks to the familiar 42MT Series pattern, making it easy for operators and mechanics to get engines back online quickly.

In day-to-day operation, it shows its value through consistency. Engines catch faster, run smoother from startup, and experience less wear from repeated ignition cycles. For equipment that works hard every day, those small improvements add up.

Why Buy OEM

With engines of this size and power, choosing a genuine Mercury Marine part is simply the smarter option. OEM starters are built with precision, durability, and long-term reliability in mind. Aftermarket units may look similar, but they often use weaker materials, less refined components, and looser tolerances — differences that reveal themselves in reduced service life or inconsistent starts. Using the 8M6007273 means fewer breakdowns, less downtime, and more confidence in your equipment. It’s the advice seasoned operators give because they’ve learned how much reliability truly matters.

FAQ

Q1: Which engines does the Quicksilver 8M6007273 starter fit?

It fits a wide range of Caterpillar, Fiat-Allis, Timberjack, Case, Cummins, Steiger, Perkins, and White engines.

Q2: Why choose this over an aftermarket starter?

It offers stronger torque, better materials, and OEM-grade durability designed for heavy-use environments.

Q3: How do I confirm compatibility?

Match part number 8M6007273 to your service manual or compare it with your existing Delco 42MT Series starter.

Q4: Can this be used in saltwater and freshwater?

Yes. It’s designed for corrosion resistance and meets marine-grade ignition protection standards.

Q5: Is installation simple?

Yes, especially for systems already equipped for a 42MT Series starter.