HomeElectrical, Lighting and Body > SensorsStandard Ignition SC404 Vehicle Speed Sensor
Part #: 48957

Standard Ignition SC404 Vehicle Speed Sensor

27 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$65.78Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Vehicle Speed Sensor for Subaru Models

The Standard Ignition SC404 Vehicle Speed Sensor is designed to provide accurate speed data for your Subaru Forester, Impreza, Legacy, or Outback. This new sensor features a screw-in mounting type and a push-on attachment method, ensuring a secure and straightforward installation.

  • Push-on attachment method for easy installation
  • Black finish with a durable design
  • Male rectangular plug-in connector with 3 blade terminals
  • Screw-in mounting type for secure fitment
  • Compatible with Subaru Forester, Impreza, Legacy, and Outback

Product Details and Specifications

The Standard Ignition SC404 Vehicle Speed Sensor is engineered without a wiring harness or mounting hardware, allowing for direct replacement using existing vehicle components. It features a single male rectangular connector with three blade terminals, designed to plug directly into the vehicle’s wiring system. The sensor’s black finish provides corrosion resistance, and its screw-in mounting type ensures a firm and reliable connection. This sensor is new and built to meet OEM standards for performance and durability.

Compatible Subaru Models and Applications

This vehicle speed sensor is compatible with multiple Subaru models, including the Forester, Impreza, Legacy, and Outback. It is specifically designed to replace the original sensor in these vehicles, ensuring accurate speed readings for the vehicle’s speedometer and transmission control systems.

  • Corrects inaccurate speedometer readings
  • Resolves transmission shifting issues related to speed sensor faults
  • Eliminates check engine light codes related to vehicle speed sensor failure
  • Improves overall vehicle speed data accuracy

Installation Notes and Tips

Installation of the Standard Ignition SC404 sensor requires no additional wiring harness or mounting hardware, as it uses the existing vehicle components. The push-on attachment method and screw-in mounting type simplify the replacement process. Ensure the vehicle is turned off and cooled down before installation. Carefully disconnect the old sensor’s connector and remove it by unscrewing. Install the new sensor by screwing it in place and reconnecting the male rectangular plug. Verify secure connections to avoid sensor malfunction.

Quality Assurance and Warranty

Standard Ignition provides this SC404 Vehicle Speed Sensor as a new replacement part, manufactured to meet or exceed OEM specifications. While specific warranty details are not provided here, Standard Ignition parts typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, please refer to the product documentation or contact the manufacturer.

BrandNGK
Part Number48957
Coil TypeDIS
Connector GenderMale
Ignition TypeDistributorless
Mounting Bracket IncludedNo
Oil FilledNo
Part NumberU3033
Stock Number48957
Terminal GenderMale
Terminal Quantity2
Terminal TypeBullet
Voltage12

This part fits 27 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2008SubaruForesterManualN/A
2007SubaruForesterManualN/A
2006SubaruForesterManualN/A
2005SubaruForesterManualN/A
2004SubaruForesterManualN/A
2004SubaruImprezaManualN/A
2004SubaruLegacyManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2004SubaruOutbackManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2003SubaruForesterManualN/A
2003SubaruImprezaManualN/A
2003SubaruLegacyManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2003SubaruOutbackManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2002SubaruForesterManualN/A
2002SubaruImprezaManualN/A
2002SubaruLegacyManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2002SubaruOutbackManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2001SubaruForesterManualN/A
2001SubaruImprezaManualN/A
2001SubaruLegacyManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2001SubaruOutbackManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2000SubaruForesterManualN/A
2000SubaruImprezaManualN/A
2000SubaruLegacyManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2000SubaruOutbackManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1999SubaruForesterManualN/A
1999SubaruImprezaManualN/A
1999SubaruLegacyManualN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.

* 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:

1612833816167763192085452505-9833436-121848957D1128DR-46DR46DR46TE209E209PGN10128IC40IC59IC59SBIGC0086

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