Ignition Coil Pack 4pcs 4M5G-12A366-BC | Compatible with Ford Focus, Escape, Transit Connect, Mazda 3 & More | Replaces DG541, DG507, FD505

Upgrade Your Engine's Performance with This High-Quality Ignition Coil

Ensure your vehicle delivers optimal power and fuel efficiency with this premium ignition coil. Engineered to meet or exceed OEM specifications, this direct-fit replacement coil restores lost spark energy, eliminates engine misfires, and ensures smooth idling. Whether you are repairing a check engine light issue or performing routine maintenance, this coil is the perfect 

Features & Benefits

· Direct OE Replacement: Precisely matches the fit, form, and function of the original part (OE Number: 4M5G-12A366-BC) .
· Superior Conductivity: Provides consistent voltage to your spark plugs for improved throttle response and gas mileage.
· Durable Construction: Built with high-grade materials to withstand extreme temperatures and engine vibrations, ensuring long service life.
· Easy Installation: Plug-and-play design; usually located directly above the spark plugs in the engine bay, making replacement quick and simple .

Specifications

· OE Number:4M5Z12029B,4M5Z12029BA,4M5Z12029BB,4M5Z12029BC,4M5E12A366AA,4M5G12A366BC,AM5E12A366AB,AM5E12A366AA,4W5G12A366BA,30711786,31375294,19145831,LF1618100,LF1618100A,LF1618100B,DG507,1224925,1314271,1322402,368053.
· Connector Type: 2-Pin / 2-Blade Terminal .
· Voltage: 12V .

Compatible with the following vehicles (2.0L & 2.3L Engines typically):

Ford Models:

· Ford Focus: 2003 – 2011 (2.0L, 2.3L) 
· Ford Escape: 2005 – 2008 (2.3L) 
· Ford Transit Connect: 2010 – 2013 (2.0L) 
· Ford C-Max: 2003 – 2007 
· Ford Fusion & Ranger (Selected models with 2.3L/2.5L engines) 

Mercury Models:

· Mercury Mariner: 2005 – 2008 (2.3L) 

Mazda Models:

· Mazda 3: 2004 – 2005 (2.0L, 2.3L) 
· Mazda 6 & Tribute: Selected 2.3L models

(FAQ)

1. What does this ignition coil fit?
This coil is specifically designed for various Ford, Mercury, and Mazda models with 2.0L and 2.3L engines, including the Ford Focus (2003-2011), Ford Escape (2005-2008), and Mazda 3 (2004-2005). Please check the compatibility list above to ensure a perfect fit for your VIN and engine code .

2. Is this the exact replacement for OE 4M5G-12A366-BC?
Yes. This part is a direct replacement for the OE number 4M5G-12A366-BC and its variants (4M5G12A366BC). It also replaces common aftermarket part numbers like DG541, DG507, and FD505 .

3. Why do I need to replace my ignition coil?
A faulty ignition coil can cause engine misfires, rough idling, loss of power, reduced fuel economy, and a check engine light. Replacing a worn coil restores lost engine performance and prevents catalytic converter damage