Standard Ignition SC554 Automatic Transmission Output Shaft Speed Sensor

Brand Standard Ignition SC554
Attachment Method Bolt mount
Color/Finish Black
Connector Gender Female
Connector Quantity 1
Connector Shape Oval
Connector Type Plug in
Dust Shield Included No
Hardware Included No
Harness Length - inches W/o harness
Harness Length - mm No wire
Mounting Bracket(s) Included No
Mounting Hardware Included No
Mounting Hole Quantity 1
Mounting Type Bolt mount
New or Reman New
Number of Bolt Holes 1
Number of wires 0
O.E.M. Replacement Yes
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Wiring Harness Included No
Fits Mazda, Scion, Subaru, and Toyota · 43 vehicles

OE replacement. Direct-fit sensor with bolt-mount installation.

Plug-in connector. Female oval connector with two blade terminals.

New part. Fresh replacement sensor from Standard Ignition.

Cross-references Standard Ignition SC554, SJ01215H2 and SN8256 for the same application. See all 6.

$144.91Free shipping
In stock · usually ships same day before 1pm CST
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Order total $144.91
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Free returns within 60 days if it doesn't fit when fitment is verified.

Automatic Transmission Output Shaft Speed Sensor

Standard Ignition SC554 is a new automatic transmission output shaft speed sensor built as an OE replacement for select Mazda, Subaru, Scion, and Toyota applications. It uses a bolt-mount design with a female oval plug-in connector and two blade terminals for a direct-style electrical connection.

Compatible With 2004-2011 Mazda RX-8, 2006-2025 Mazda MX-5 Miata, 2013-2016 Scion FR-S, 2013-2017 Subaru BRZ, and 2017-2020 Toyota 86. Standard Ignition SC554 is built for vehicles that rely on accurate transmission output shaft speed input for drivability and shifting control.

Key Features

  • OE replacement automatic transmission output shaft speed sensor
  • Bolt-mount attachment with one mounting hole
  • Female oval plug-in connector
  • Two blade terminals, no wiring harness included
  • Black finish
  • New sensor construction
  • Standard Ignition SC554 cross-references to SJ01215H2, SN8256, SU00303838, SU14014, and VSS1088 for the same application

Detailed Description

This transmission speed sensor monitors output shaft speed so the control system can interpret transmission behavior accurately. Standard Ignition SC554 is an OE-style replacement built with a bolt-mount body, no harness, and a female connector layout that matches the listed applications. It is a direct-fit service part for Mazda MX-5 Miata, Mazda RX-8, Subaru BRZ, Scion FR-S, and Toyota 86 models covered by the fitment data.

Use SC554 when servicing a transmission speed signal concern on vehicles that require a replacement output shaft speed sensor with the same connector style and mounting configuration. The part number SC554 is also useful when searching for a Standard Ignition replacement for Mazda MX-5 Miata and related rear-wheel-drive sport compact applications.

What It Is Used For

  • Restoring output shaft speed signal accuracy
  • Addressing transmission-related warning lights tied to speed sensor input
  • Correcting shifting concerns caused by an erratic speed signal
  • Replacing a damaged sensor connector or worn sensor body
  • Servicing OE-style transmission electronics on Mazda, Subaru, Scion, and Toyota applications

Installation Notes and Tips

Verify connector shape, terminal style, and bolt-mount location before installation. SC554 is supplied without a harness, dust shield, mounting bracket, or mounting hardware, so reuse only the vehicle components that are in serviceable condition. Confirm the transmission application against the vehicle’s original sensor configuration before final assembly.

Quality Assurance

Standard Ignition SC554 is a new OE replacement sensor from a brand known for electrical and engine management service parts. It is built to match the listed fitment and connector requirements for the specified Mazda, Subaru, Scion, and Toyota applications.

This part fits 43 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionNotes
2025MazdaMX-5 Miata
2024MazdaMX-5 Miata
2023MazdaMX-5 Miata
2022MazdaMX-5 Miata
2021MazdaMX-5 Miata
2020MazdaMX-5 Miata
2020Toyota86
2019MazdaMX-5 Miata
2019Toyota86
2018MazdaMX-5 Miata
2018Toyota86
2017MazdaMX-5 Miata
2017SubaruBRZAutomatic
2017Toyota86
2016MazdaMX-5 Miata
2016ScionFR-S
2016SubaruBRZAutomatic
2015MazdaMX-5 Miata
2015ScionFR-S
2015SubaruBRZAutomatic
2014MazdaMX-5 Miata
2014ScionFR-S
2014SubaruBRZAutomatic
2013MazdaMX-5 Miata
2013ScionFR-S
2013SubaruBRZAutomatic
2012MazdaMX-5 Miata
2011MazdaMX-5 Miata
2011MazdaRX-8
2010MazdaMX-5 Miata
2010MazdaRX-8
2009MazdaMX-5 Miata
2009MazdaRX-8
2008MazdaMX-5 Miata
2008MazdaRX-8
2007MazdaMX-5 Miata
2007MazdaRX-8
2007MazdaRX-8Automatic
2006MazdaMX-5 Miata
2006MazdaRX-8
2006MazdaRX-8Automatic
2005MazdaRX-8
2004MazdaRX-8
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — SC554SJ01215H2SN8256SU00303838SU14014VSS1088