Mercury – Engine Starter 24 Volt | Delco 28 MT Series | Heavy Duty Marine Construction | 8M6007302

Overview
If you run big iron for a living or push a heavy boat through rough water, you know there is no room for doubt when you hit that start button. This Mercury Marine part is built for those days when you are up before the sun, loading gear in the dark, and you just need the engine to come alive on the first try. It is the kind of starter you stop thinking about because it simply does its job, tide after tide, season after season. That quiet confidence is what keeps you focused on the work, the weather, and the water ahead—not on whether your engine will crank.

With part number 8M6007302, you get that steady, dependable spin that feels strong and sure every time. No drama, no long pauses, just a clean, confident start.

Key Features

• Purpose-built engine starter for Cummins marine engines and select industrial equipment

• Offset gear reduction design for strong cranking power and efficient operation

• Twenty-four volt construction for heavy duty, high demand systems

• Clockwise rotation with ten-tooth gear for consistent flywheel engagement

• Permanent magnet design for reliable torque and longer service life

• High temperature epoxy armature to secure and protect internal windings from corrosion

• Built with durable copper bushings or heavy duty needle bearings

• Meets Marine SAEJ1171 ignition protection standards

Engine & Boat Compatibility

• Designed for use on Cummins marine engines matched to Mercury Marine applications

• Suitable for commercial workboats, utility vessels, patrol craft, and heavy cruisers

• Also used on select Cummins powered agricultural and industrial equipment in mixed fleets

• Ideal for larger boats that rely on dependable twenty-four volt starting systems

Performance & Practical Benefits
On the water, what you feel first is the way this starter grabs and turns. You press the switch, and the response is immediate: a tight, powerful spin that brings the engine over smoothly and without strain. The offset gear reduction and permanent magnet design work together to deliver high torque without feeling harsh or noisy.

In real use, that means fewer slow cranks on cold mornings, fewer “try it again” moments at the dock, and a starter that still feels strong even after a long season of daily use. The protective epoxy around the armature and the carefully chosen internal bearings help the unit shrug off heat, vibration, and moisture. Maintenance stays simple, and once it is installed correctly, you will likely forget about it—until you stop and realize how long it has been since you even thought about replacing a starter.

Why Buy OEM
When you are running a serious boat or a hard-working engine, cutting corners on a starter is not worth the gamble. A genuine Mercury Marine part like this one is engineered around your engine’s exact requirements, not just a rough “will fit” shape. You get the right rotation, the right gear engagement, and the right electrical behavior for your system.

In the long run, that means fewer surprise failures, fewer tow calls, and less time chasing electrical mysteries. It installs cleanly, fits the way it should, and holds up under real-world abuse. If a fellow boater asked what to run on a Cummins powered rig, this is the kind of part I would recommend—because it is built to work, not just to pass the box test.

FAQ

Q1: Which Mercury engines or systems does the Engine Starter 8M6007302 fit?
It is designed for use on Cummins marine engines used in Mercury Marine applications, as well as matching Cummins based industrial and agricultural systems.

Q2: What makes this part different from aftermarket alternatives?
This Mercury Marine part is built and tested for the exact torque, rotation, and engagement your engine needs, with higher standards for durability and safety than most generic options.

Q3: How do I know if this is the correct replacement for my setup?
Match your existing starter’s part number, and confirm details in your owner’s or service manual. If your equipment specifies part number 8M6007302, this is the correct replacement.

Q4: Can this be used in both saltwater and freshwater applications?
Yes, it is designed for marine environments and performs well in both saltwater and freshwater when installed and maintained correctly.

Q5: Is installation straightforward for most boat owners?
If you are comfortable working around batteries and starter cables, installation is usually direct. Always disconnect power and follow the service manual to ensure a safe, secure fit