Motorad 3IC128 Ignition Coil

Ignition Coil for Ford, Mazda, and Mercury

The Motorad 3IC128 ignition coil is an OE replacement designed to deliver strong spark voltage duration for consistent engine performance. Built for 12 VDC systems and severe operating conditions, it is a practical choice for Ford Ranger, Explorer, Mustang, Mazda B4000, and Mercury Mountaineer applications that need dependable ignition output.

Key Features

• OE replacement ignition coil for select Ford, Mazda, and Mercury vehicles
• Engineered to maximize spark voltage duration
• Designed for high-heat operating environments
• 12 VDC coil with blade terminals
• Female connector with 4 terminal and 4 mounting-hole design
• Regular grade ignition component with black and white housing
• Primary resistance: 300-900 ohms
• Secondary resistance: 9000-15000 ohms
• Requires an external resistor

Detailed Description

Motorad 3IC128 is built to meet or exceed OEM specifications and is manufactured in ISO TS16949 facilities. It is designed for distributorless ignition systems where stable spark delivery matters, including long-running service in Ford Ranger, Ford Explorer, Ford Mustang, Mazda B3000, Mazda B4000, and Mercury Mountaineer platforms. This part cross-references AMS Automotive 4508 for the same application.

What It Helps Address

• Hard starting caused by weak ignition output
• Misfires related to coil breakdown under heat
• Rough idle from inconsistent spark delivery
• Loss of engine performance under load
• Ignition faults on aging Ford, Mazda, and Mercury applications

Installation Notes and Tips

• Verify connector style before installation; some Ranger and B3000 applications use a horizontal connector configuration.
• Confirm the vehicle uses a distributorless ignition setup where noted in fitment.
• Check the external resistor requirement during diagnosis and replacement.
• Inspect terminals and wiring for heat damage or corrosion before installing the new coil.
• Use the part number 3IC128 to confirm application match against the original coil.

Quality Assurance

Motorad designs this ignition coil to meet or exceed OEM specifications and backs its engine management products with a limited lifetime warranty. The 3IC128 is built for dependable service in demanding ignition systems.