Bosch 0221504702 Ignition Coil

Bosch Ignition Coil for Ford, Mazda, and Mercury

The Bosch 0221504702 ignition coil is an OE-quality replacement built for direct ignition performance in select Ford, Mazda, and Mercury applications. It delivers the correct ignition voltage for consistent spark, smoother engine operation, improved fuel efficiency, and lower exhaust emissions.

As part of Bosch’s Ignition Coil (New) line, this pencil coil is engineered for modern coil-on-plug systems where precise spark delivery matters. It is a direct-fit ignition coil for vehicles such as the Ford Focus, Ford Escape, Ford Transit Connect, Mazda 3, Mazda 6, Mazda Tribute, and Mercury Mariner.

Key Features

• OE-quality Bosch ignition coil for reliable spark delivery
• Correct ignition voltage for stable engine performance
• Pencil coil design for coil-on-plug applications
• SAE terminal type for specified vehicle fitments
• Voltage rating: 14
• Brand line: Bosch Ignition Coil (New)
• Part number: 0221504702

Detailed Description

Bosch 0221504702 is a pencil-style ignition coil designed for direct replacement in compatible Ford, Mazda, and Mercury vehicles. Bosch’s OE-focused ignition coil design supports long-lasting spark output, helping maintain proper combustion, smoother idle quality, and efficient engine operation. This part number is commonly searched for Ford Focus ignition coil replacement, Ford Escape ignition coil replacement, and Mazda 3 ignition coil replacement needs.

This part cross-references ZZCA18100 for the same application. The Bosch 0221504702 ignition coil is a practical choice when diagnosing misfire-related drivability concerns or replacing a worn coil in coil-on-plug systems.

Vehicle Fitment

• Fits 2010-2013 Ford Transit Connect, N/A; One per cylinder; Ignition Coil (New)
• Fits 2003-2011 Ford Focus, N/A; One per cylinder; Ignition Coil (New)
• Fits 2005-2008 Ford Escape, N/A; One per cylinder; Ignition Coil (New)
• Fits 2008 Mazda Tribute, N/A; One per cylinder; Ignition Coil (New)
• Fits 2005-2006 Mazda Tribute, N/A; One per cylinder; Ignition Coil (New)
• Fits 2005-2008 Mercury Mariner, N/A; One per cylinder; Ignition Coil (New)
• Fits 2004-2005 Mazda 3, N/A; One per cylinder; Ignition Coil (New)
• Fits 2005 Mazda 6, N/A; with California Emission System; Ignition Coil (New)

What It Helps Address

• Engine misfire conditions related to a weak ignition coil
• Rough idle or inconsistent spark output
• Hard starting caused by ignition voltage loss
• Reduced fuel economy from incomplete combustion
• Higher exhaust emissions from poor ignition performance

Installation Notes and Tips

Verify the part number and connector style before installation. This pencil coil is used in coil-on-plug systems and should be matched to the exact vehicle application listed above. Inspect spark plugs, wiring, and related ignition components during diagnosis to help prevent repeat failures. The fitment notes indicate one coil per cylinder for the listed applications.

Quality Assurance

Bosch ignition components are built to OE-level standards for ignition voltage control and dependable engine operation. The Bosch 0221504702 is intended for direct replacement in the specified Ford, Mazda, and Mercury applications.