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Standard Ignition S3128 Ignition Coil ConnectorOE Quality 60-Day Returns
Part #: S3128

Standard Ignition S3128 Ignition Coil Connector

54 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 3, 3 Sport, 5, 6, CX-3, CX-30, CX-5, CX-9, and MX-5 Miata
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Ignition Coil Connector for Mazda Applications

Standard Ignition S3128 is an ignition coil connector built for direct service on select Mazda vehicles. It features a 4-terminal blade-style female terminal layout, a rectangular male connector body, and a 36 cm harness length for repair or replacement work on damaged coil wiring.

Key Features

  • Ignition coil connector for electrical repair at the coil harness interface
  • Rectangular connector shape with male connector gender
  • 4 female blade terminals with 18-gauge wiring
  • 36 cm harness length for routing and service access
  • 0-degree bend angle for straight connector alignment
  • Standard Ignition S3128 for Mazda ignition system service

Detailed Product Overview

Standard Ignition S3128 is a replacement ignition coil connector used to restore a secure electrical connection at the ignition coil. The connector uses a rectangular housing, 4 blade terminals, and 18-gauge wire construction to match the electrical demands of the application. With a 14.5-inch harness length and straight 0-degree bend, it is suited for clean routing in engine-bay repair work. This part cross-references PowerStop S3128 for the same application. It is a direct-fit service part for Mazda 3, CX-5, 6, CX-3, CX-30, CX-9, 3 Sport, MX-5 Miata, and 5 applications listed below.

Vehicle Fitment

  • Fits 2014-2023 Mazda 3, N/A
  • Fits 2013-2023 Mazda CX-5, N/A
  • Fits 2014-2021 Mazda 6, N/A
  • Fits 2016-2021 Mazda CX-3, N/A
  • Fits 2020-2021 Mazda CX-30, N/A
  • Fits 2016-2021 Mazda CX-9, N/A
  • Fits 2014-2018 Mazda 3 Sport, N/A
  • Fits 2016-2018 Mazda MX-5 Miata, N/A
  • Fits 2017 Mazda 5, N/A
  • Fits 2012-2013 Mazda 3, N/A, w/ Skyactiv Technology

Common Repair Uses

  • Broken or cracked ignition coil connector housing
  • Heat-damaged or brittle coil wiring at the connector
  • Loose or intermittent electrical contact at the ignition coil
  • Corroded terminals affecting coil signal transfer
  • Harness damage during ignition coil service or diagnosis

Installation Notes and Tips

Match the connector shape, terminal count, and terminal style before installation. Verify the vehicle application against the fitment list, including the 2012-2013 Mazda 3 with Skyactiv Technology note. Inspect the coil side and harness side for heat damage or corrosion so the replacement connector seats properly and maintains a stable electrical connection.

Quality Assurance

Standard Ignition is a recognized name in replacement electrical components, and S3128 is built to service ignition coil wiring in the listed Mazda applications with the specified connector and harness configuration.

BrandStandard Ignition
Part NumberS3128
Bend Angle (Deg.)0
Connector GenderMale
Connector Quantity1
Connector ShapeRectangle
Gauge18
Harness Length (mm.)360
Harness Length - cm36
Harness Length - inches14.5"
Housing Length (in)1
Terminal GenderFemale
Terminal Quantity4
Terminal TypeBlade
Wire Quantity4

This part fits 54 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023Mazda32.5LL4N/A
2023MazdaCX-5N/A
2022Mazda3N/A
2022MazdaCX-5N/A
2021Mazda3N/A
2021Mazda6N/A
2021MazdaCX-3N/A
2021MazdaCX-302.5LL4N/A
2021MazdaCX-5N/A
2021MazdaCX-92.5LL4N/A
2020Mazda3N/A
2020Mazda6N/A
2020MazdaCX-3N/A
2020MazdaCX-302.5LL4N/A
2020MazdaCX-5N/A
2020MazdaCX-92.5LL4N/A
2019Mazda3N/A
2019Mazda6N/A
2019MazdaCX-3N/A
2019MazdaCX-52.5LL4N/A
2019MazdaCX-92.5LL4N/A
2018Mazda3N/A
2018Mazda3 SportN/A
2018Mazda6N/A
2018MazdaCX-3N/A
2018MazdaCX-5N/A
2018MazdaCX-92.5LL4N/A
2018MazdaMX-5 MiataN/A
2017Mazda3N/A
2017Mazda3 SportN/A
2017Mazda5N/A
2017Mazda6N/A
2017MazdaCX-3N/A
2017MazdaCX-5N/A
2017MazdaCX-92.5LL4N/A
2017MazdaMX-5 MiataN/A
2016Mazda3N/A
2016Mazda3 SportN/A
2016Mazda6N/A
2016MazdaCX-3N/A
2016MazdaCX-5N/A
2016MazdaCX-92.5LL4N/A
2016MazdaMX-5 MiataN/A
2015Mazda3N/A
2015Mazda3 SportN/A
2015Mazda6N/A
2015MazdaCX-5N/A
2014Mazda32.0LL4N/A
2014Mazda3 SportN/A
2014Mazda6N/A
2014MazdaCX-5N/A
2013Mazda32.0LL4N/Aw/ Skyactiv Technology
2013MazdaCX-5N/A
2012Mazda32.0LL4N/Aw/ Skyactiv Technology

* 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:

CONB10857EC3153PT3901S3128

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