Standard Ignition Headlight Dimmer Switch DS-338
Standard Ignition Headlight Dimmer Switch DS-338 - view 2
Standard Ignition Headlight Dimmer Switch DS-338 - view 3
Standard Ignition Headlight Dimmer Switch DS-338
Standard Ignition Headlight Dimmer Switch DS-338 - view 2
Standard Ignition Headlight Dimmer Switch DS-338 - view 3

Headlight Dimmer Switch for 1990-1994 Chevrolet Lumina & More - Standard Ignition DS-338

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$40.99
MPN: DS-338
Item Package Quantity: 1
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Standard Ignition Headlight Dimmer Switch P/N:DS-338
Standard Ignition Headlight Dimmer Switch P/N:DS-338
$40.99

Take charge of your high and low beams with the Standard Ignition switch DS-338, a headlight dimmer switch that toggles your headlights between low beam and high beam. It fits many vehicles, among them the 1990-1994 Chevrolet Lumina, 1988-1993 Buick Regal and 1989-1993 Oldsmobile Cutlass Supreme. See the Buyer's Guide tab for the full list of vehicles and engine details.

  • Quality control from start to finish: Standard Ignition is a global manufacturer of original equipment ignition products and controls quality at every step of production, from the componentry to the finished product.
  • Copper alloy conductors: Designed for superior electrical conductivity with low resistive losses.
  • 100% tested: Every part is checked to verify both its mechanical and its electrical switching performance.
  • Robust design: High-grade materials are used to meet the demanding needs of today's service professional.

Standard Ignition draws on decades of research to build this dimmer switch. Signs the switch may need replacing include headlights stuck on high or low beam, high beams that won't engage, or beams that flicker when you switch them. Wiring, bulbs and other circuit parts can cause the same symptoms, so diagnose the cause before replacing the switch. If the original dimmer switch is at fault, the DS-338 replaces it.

Interchange: DS150 · UDS435 · DS154 · 10498759

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

DS150, UDS435, DS154, 10498759

Frequently Asked Questions

What does a headlight dimmer switch do?

It switches the headlights between low beam and high beam when you operate the dimmer control. The DS-338 uses copper alloy conductors to carry that circuit.

What are signs the dimmer switch may need replacing?

Signs include headlights stuck on high or low beam, high beams that won't come on, or beams that flicker when switching. Wiring or bulbs can cause the same symptoms, so diagnose the cause first.

Is this the right Regal switch for a 1988-1993 Buick Regal?

The DS-338 is listed for the 1988-1993 Buick Regal. Check the Buyer's Guide tab to confirm your exact vehicle.

Is the DS-338 tested before it ships?

Yes. Standard Ignition 100% tests these parts to verify both their mechanical and electrical switching performance.

What part numbers does the DS-338 interchange with?

It cross-references DS150, UDS435, DS154 and 10498759. See the Buyer's Guide tab for the full list of applications.

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