HomeIgnition > Ignition CoilStandard Ignition UF-604 Ignition Coil
Part #: UF-604

Standard Ignition UF-604 Ignition Coil

11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 5 and 3
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Reliable Ignition Coil for Mazda 3 and Mazda 5 Vehicles

The Standard Ignition UF-604 ignition coil is designed specifically for distributorless ignition systems in Mazda 3 and Mazda 5 models. This electronic ignition coil delivers consistent 12-volt performance to ensure efficient engine operation and reliable spark delivery.

  • 12-volt electronic ignition coil compatible with distributorless ignition systems
  • Black color with a bolt-on mount type for secure installation
  • Includes mounting bracket and coil for a complete replacement
  • Features a single rectangular female plug-in connector with three male blade terminals
  • Designed for Mazda 3 and Mazda 5 models requiring part number UF-604

Product Features and Technical Specifications

The Standard Ignition UF-604 ignition coil is engineered to meet the electrical and mechanical requirements of select Mazda vehicles. Its electronic coil type supports distributorless ignition systems, which improves ignition timing accuracy and reduces maintenance compared to traditional distributor setups. The coil operates at 12 volts and includes a mounting bracket for a bolt-on installation, ensuring a secure fit in the engine bay. The connector is a single rectangular female plug-in type with three male blade terminals, designed for straightforward connection to the vehicle’s wiring harness. The coil is finished in black, providing a durable and corrosion-resistant surface.

Compatible Vehicles and Applications

This ignition coil is compatible with the following Mazda models:

  • Mazda 3
  • Mazda 5

It is intended for use in vehicles equipped with distributorless ignition systems that require part number UF-604. This ensures proper fitment and optimal ignition performance.

Common Issues Addressed by the UF-604 Ignition Coil

  • Engine misfires or rough idling due to weak or inconsistent spark
  • Difficulty starting the engine or extended crank times
  • Reduced fuel efficiency caused by incomplete combustion
  • Check engine light triggered by ignition system faults
  • Loss of power or hesitation during acceleration

Installation Notes and Tips

Installation of the Standard Ignition UF-604 ignition coil requires basic automotive tools and mechanical knowledge. The coil mounts securely using the included bracket and bolts directly onto the engine. Ensure the ignition system is off and the battery is disconnected before beginning installation. Connect the rectangular female plug firmly to the vehicle’s wiring harness, verifying that the three male blade terminals align correctly. No mounting hardware beyond the bracket is included, so retain original bolts or source appropriate fasteners. While instructions are not included, following the vehicle’s service manual is recommended for proper installation procedures.

Quality Assurance and Warranty Information

Standard Ignition manufactures the UF-604 ignition coil to meet or exceed OEM specifications for durability and performance. The coil undergoes rigorous testing to ensure reliable operation under normal driving conditions. While specific warranty details are not provided here, Standard Ignition products typically include a limited warranty against defects in materials and workmanship. Consult the product packaging or manufacturer resources for exact warranty terms.

BrandStandard Ignition
Part NumberUF-604
Attachment MethodBolt On
Coil IncludedYes
Coil TypeElectronic
ColorBlack
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
Grease PackNo
Hardware IncludedNo
Ignition TypeCoil on Plug
Instructions IncludedNo
Mount TypeBolt On
Mounting Bracket(s) IncludedYes
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015Mazda5N/A
2014Mazda5N/A
2013Mazda32.3LL4N/A
2013Mazda5N/A
2012Mazda32.3LL4N/A
2012Mazda5N/A
2011Mazda32.3LL4N/A
2010Mazda32.3LL4N/A
2010Mazda5N/A
2009Mazda5N/A
2008Mazda5N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

178-83861IC39423-01832505-4847852IGC036936-81334885952-20975C1742C1685CLS1323E1104EBC1132GN10623IC694LF2L18100V32-70-0032

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.