What vehicles does this auto part fit?

This STANDARD IGNITION auto part (Part #DS-121) fits specific vehicle applications. Compatible vehicles include 1940-1942 Chevrolet, Ford (9 applications). Use the compatibility checker above to verify fitment for your exact vehicle including engine and trim options.

Is this part covered by warranty?

Yes, this STANDARD IGNITION auto part includes a 24-month limited warranty covering defects in materials and workmanship. AutoBuffy also offers 30-day hassle-free returns if the part doesn't fit your vehicle.

How fast is shipping?

AutoBuffy ships fast — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days. Expedited shipping is available at checkout.

Check if this fits your car first

We can’t guarantee fitment or accept fitment returns without a vehicle selected.

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Standard Ignition Headlight Switch (DS-121)

Name: Standard Ignition Headlight Switch (DS-121)
Brand: STANDARD IGNITION
SKU: DS-121
Price: 14.95 USD
Availability: InStock
Rating: 4.9 (12847 reviews)

Authorized Dealer

Standard Ignition Headlight Switch (DS-121)

BrandStandard IgnitionLearn More

Qty/Vehicle1

ConditionNew

Includes: (1) Assembly, Hardware

UPC: 91769005535

Interchanges: 12302012, 1972302, 1994017View More

21% OFF$1495

$18.95Save $4.00•In Stock•Fast Shipping

Estimated Delivery by calculating...

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Ships to

Product Specifications

Features & Benefits

•Direct OE fit - no modifications needed
•Meets or exceeds manufacturer specs
•24-month warranty included
•Fast Shipping — ships same day before 3 PM ET

BrandStandard Ignition

Part NumberDS-121

ConditionNew

NNo

YMale

Dimensions3.375" × 1.438" × 2"

Compatibility

Vehicle Compatibility

Guaranteed to fit 0 vehicles from Infinity--Infinity

No compatibility data available

Frequently Asked Questions

We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.

Will this part fit my vehicle?

This part is designed for specific vehicle applications. Use the vehicle selector above to confirm it fits your exact year, make, and model before ordering.

My headlights work intermittently - is it the switch?

Intermittent operation often indicates worn contacts inside the switch. Other symptoms: headlights stuck on/off, dashboard lights flickering with headlight operation. Check fuses and grounds first.

Does this headlight switch include the dimmer?

Check the product specifications. Some headlight switches include integrated dimmer controls, while others are just the main headlight on/off switch. Match to your vehicle's original design.

Compatibility

Vehicle Compatibility

Guaranteed to fit 0 vehicles from Infinity--Infinity

No compatibility data available

Product Specifications

Brand

STANDARD IGNITION

Dimensions

3.38" x 1.44" x 2"

UPC/GTIN

91769005535

Part Number

DS-121

Male

Weight

0.18 LB

NNo

YMale

Check if this fitsShop worry-free by verifying fitment first. If the part doesn't fit, we'll make it right or refund you. Learn more

Main Image

Click to expand

Standard Ignition Headlight Switch (DS-121)

Authorized Dealer

$1495

$18.95SAVE 21%

Dealer charges $27.48— save $12.53

QTY

Fast delivery Mon, Jun 22

Ships To —Edit

In Stock10 or more available

Fast
Shipping

30-Day
Returns

24-Mo
Warranty

Expert
Support

OE REPLACEMENT

Standard Ignition Headlight Switch (DS-121)

Part #:DS-121

$14^.95In Stock

$18.95Save 21%

Quantity:

In Stock10 or more available

Fast delivery between Mon, Jun 22 to Mon, Jun 22

Ships To:

Key Features

OEM-Equivalent QualityMeets/exceeds factory specs

American BusinessMaryland since 1986

24-Month WarrantyLimited coverage on every part

Fast Same Day ShippingWe ship all orders the same business day before cutoff

Product Specs

BrandSTANDARD IGNITION

Part NumberDS-121

ConditionNew

NNo

YMale

Dimensions3.375" x 1.438" x 2"

Weight0.18 LB

UPC/GTIN91769005535

Compatibility

Vehicle Compatibility

Guaranteed to fit 0 vehicles from Infinity--Infinity

No compatibility data available

Interchanges

Part numbers from other manufacturers that are compatible

OEM12302012

OEM1972302

OEM1994017

OEM1995021

OEM1S4629

Questions & Answers

Have a Question?

Ask Marvin, our Car Expert

Offline

Or leave a voicemail at 888-477-2530

Things to Know

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts

Check if this fits your car first

Standard Ignition Headlight Switch (DS-121)

Standard Ignition Headlight Switch (DS-121)

Product Specifications

Compatibility

Vehicle Compatibility

Frequently Asked Questions

Compatibility

Vehicle Compatibility

Product Specifications

Interchanges

Standard Ignition Headlight Switch (DS-121)

Standard Ignition Headlight Switch (DS-121)

Key Features

Product Specs

Compatibility

Vehicle Compatibility

Interchanges

Questions & Answers

Things to Know

24 Month Warranty

30 Day Returns

Fast Same Day Shipping

About This

Key Features

Signs This Part Needs Replacement

STANDARD IGNITION

Installation Guide

Tools Needed

Frequently Asked Questions