Standard Ignition Vehicle Speed Sensor P/N:SC20

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$114.99
MPN: SC20
Item Package Quantity: 1
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Standard Ignition Vehicle Speed Sensor P/N:SC20
Standard Ignition Vehicle Speed Sensor P/N:SC20
$114.99

Keep an accurate speed signal flowing to your speedometer and powertrain electronics with the Standard Ignition Vehicle Speed Sensor SC20. It drops in as a direct-fit replacement for the 1988-1993 Pontiac LeMans, restoring the signal these systems rely on to read how fast the vehicle is traveling.

  • What it does: converts vehicle speed into an electrical signal used by the speedometer and the vehicle's control electronics.
  • Systems it feeds: the speed signal is commonly used for speedometer operation, cruise control, and transmission shift timing.
  • Direct-fit replacement: designed to replace the original speed sensor on the listed application.

A worn or failing speed sensor can show up as an erratic or dead speedometer, cruise control that won't engage or hold, harsh or erratic shifting, or an illuminated check engine light. These are signs the sensor may need replacing — because they can also come from wiring, connectors, or other components, diagnose the cause before ordering. If a faulty speed sensor is confirmed, this unit replaces it.

Interchange: S8324 · SU1004 · VSS228 · 90149079
Manufacturer part number SC20.

This part cross-references / interchanges with the following part numbers:

S8324, SU1004, VSS228, 90149079

Frequently Asked Questions

What does the SC20 speed sensor do?

It converts vehicle speed into an electrical signal that the speedometer and the vehicle's control electronics use to determine how fast the vehicle is traveling.

Which vehicle does this fit?

It is a direct-fit replacement for the 1988-1993 Pontiac LeMans. Check the Buyer's Guide tab to confirm it matches your vehicle.

What are signs this sensor may need replacing?

An erratic or inoperative speedometer, cruise control that won't engage or hold, harsh or erratic shifting, or a check engine light. Diagnose the cause first, as these can have other sources.

What part numbers does this interchange with?

It cross-references S8324, SU1004, VSS228, and 90149079. The manufacturer part number is SC20.

Will replacing this fix my shifting or speedometer problem?

If a faulty speed sensor is the cause, this unit replaces it. Because wiring, connectors, or other components can cause the same symptoms, confirm the diagnosis before installing.