Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009

ACDelco D1743C Horn Relay

ACDelco D1743C Horn Relay

ACDelco
Brand:ACDelco
Part Number: D1743C
UPC: 00036666209860
Weight: 0.19 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

RELAY U PP) PP) (PP1)

An ACDelco Professional, premium aftermarket Horn Relay is a high quality replacement for many vehicles on the road today. It operates your vehicle's horn. This premium aftermarket replacement horn relay is manufactured to meet your expectations for fit, form, and function. WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Through our GM Original Equipment and Professional, premium aftermarket product lines, we provide ignition system and switch products for all models of GM vehicles on the road today. With ACDelco Ignition System and Switch products you can rest assured that your vehicle is receiving high quality parts engineered for long lasting performance, durability, and dependability.

ACDelco offers a full line of Professional, premium aftermarket Ignition System and Switch products for all makes of GM vehicles on the road today. Professional distributor caps and rotors, ignition coils, ignition modules, sensors, relays, switches, and voltage regulators are all designed to replace your worn equipment while providing precise fit, form, and function for your vehicle. ACDelco Professional, premium aftermarket Ignition System and Switch products deliver the high quality you expect from ACDelco while providing the durability and dependability that your vehicle needs.

Features and Benefits:

  • Manufactured to meet expectations for fit, form, and function
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Having your service technician regularly inspect your ignition system can help you stay away from conditions that may result in poor performance or reduced fuel economy.

Specifications:

Amperage Rating:
20 Ampere
Connector Gender:
Male
Connector Quantity:
3
Continuous Duty:
No
Cover Material:
Metal
Mounting Bracket Included:
Yes
Mounting Hardware Included:
No
Mounting Type:
Bracket
Programming Required:
NO
Terminal Gender:
Male
Terminal Quantity:
3
Terminal Type:
Blade
Voltage:
6 Volts (Direct Current)
Wire Quantity:
0

Manufacturer Warranty:

24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.

Select a vehicle to narrow ACDelco D1743C Horn Relay fitment info!

Last Updated: 02/25/2022

Years Vehicle Per Vehicle Fit NotesFitment Notes
Allstate A-230

2.2L L4 Gas L-HEAD,
2.6L L6 Gas L-HEAD
1
 
Professional
 

Allstate A-230



2.2L L4 Gas L-HEAD,
2.6L L6 Gas L-HEAD Professional

1 Per Vehicle
Allstate A-240

2.6L L6 Gas
1
 
Professional
 

Allstate A-240



2.6L L6 Gas Professional

1 Per Vehicle
Borgward Hansa 1500

1.5L L4 Gas OHV,
1.8L L4 Diesel,
1.8L L4 Gas
1
 
Professional
 

Borgward Hansa 1500



1.5L L4 Gas OHV,
1.8L L4 Diesel,
1.8L L4 Gas Professional

1 Per Vehicle
Borgward Hansa 1800

1.8L L4 Diesel OHV,
1.8L L4 Gas OHV
1
 
Professional
 

Borgward Hansa 1800



1.8L L4 Diesel OHV,
1.8L L4 Gas OHV Professional

1 Per Vehicle
Borgward Hansa 2400

2.3L L6 Gas OHV
1
 
Professional
 

Borgward Hansa 2400



2.3L L6 Gas OHV Professional

1 Per Vehicle
Borgward Isabella

1.5L L4 Gas OHV
1
 
Professional
 

Borgward Isabella



1.5L L4 Gas OHV Professional

1 Per Vehicle
Buick Limited Series 90

5.2L L8 Gas OHV
1
 
Professional
 

Buick Limited Series 90



5.2L L8 Gas OHV Professional

1 Per Vehicle
Buick Roadmaster

5.3L V8 Gas OHV
1
 
Professional
6 Volt
 

Buick Roadmaster



5.3L V8 Gas OHV Professional
6 Volt

1 Per Vehicle
Buick Roadmaster

5.2L L8 Gas OHV
1
 
Professional
 

Buick Roadmaster



5.2L L8 Gas OHV Professional

1 Per Vehicle
Buick Roadmaster Series 70

5.2L L8 Gas OHV
1
 
Professional
 

Buick Roadmaster Series 70



5.2L L8 Gas OHV Professional

1 Per Vehicle
Buick Roadmaster Series 70

5.2L L8 Gas OHV
1
 
Professional
 

Buick Roadmaster Series 70



5.2L L8 Gas OHV Professional

1 Per Vehicle
Buick Special

4.3L L8 Gas OHV
1
 
Professional
6 Volt
 

Buick Special



4.3L L8 Gas OHV Professional
6 Volt

1 Per Vehicle
Buick Special

4.3L L8 Gas OHV
1
 
Professional
 

Buick Special



4.3L L8 Gas OHV Professional

1 Per Vehicle
Buick Special

4.1L L8 Gas OHV
1
 
Professional
 

Buick Special



4.1L L8 Gas OHV Professional

1 Per Vehicle
Buick Special 40

3.8L L8 Gas OHV,
4.1L L8 Gas OHV
1
 
Professional
 

Buick Special 40



3.8L L8 Gas OHV,
4.1L L8 Gas OHV Professional

1 Per Vehicle
Buick Special Series 40

4.1L L8 Gas OHV
1
 
Professional
 

Buick Special Series 40



4.1L L8 Gas OHV Professional

1 Per Vehicle
Buick Special Series 40-A

4.1L L8 Gas OHV
1
 
Professional
 

Buick Special Series 40-A



4.1L L8 Gas OHV Professional

1 Per Vehicle
Buick Special Series 40-B

4.1L L8 Gas OHV
1
 
Professional
 

Buick Special Series 40-B



4.1L L8 Gas OHV Professional

1 Per Vehicle
Buick Super

5.3L V8 Gas OHV
1
 
Professional
6 Volt
 

Buick Super



5.3L V8 Gas OHV Professional
6 Volt

1 Per Vehicle
Buick Super

4.3L L8 Gas OHV
1
 
Professional
 

Buick Super



4.3L L8 Gas OHV Professional

1 Per Vehicle
Buick Super Series 50

4.1L L8 Gas OHV
1
 
Professional
 

Buick Super Series 50



4.1L L8 Gas OHV Professional

1 Per Vehicle
Buick Super Series 50

4.1L L8 Gas OHV
1
 
Professional
 

Buick Super Series 50



4.1L L8 Gas OHV Professional

1 Per Vehicle
Cadillac Commercial Chassis

5.4L V8 Gas OHV
1
 
Professional
 

Cadillac Commercial Chassis



5.4L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Commercial Chassis

5.7L V8 Gas L-HEAD
1
 
Professional
 

Cadillac Commercial Chassis



5.7L V8 Gas L-HEAD Professional

1 Per Vehicle
Cadillac Series 60 Fleetwood

5.4L V8 Gas OHV
1
 
Professional
 

Cadillac Series 60 Fleetwood



5.4L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Series 60 Special Fleetwood

5.4L V8 Gas OHV
1
 
Professional
 

Cadillac Series 60 Special Fleetwood



5.4L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Series 60 Special Fleetwood

5.7L V8 Gas L-HEAD
1
 
Professional
 

Cadillac Series 60 Special Fleetwood



5.7L V8 Gas L-HEAD Professional

1 Per Vehicle
Cadillac Series 61

5.4L V8 Gas OHV
1
 
Professional
 

Cadillac Series 61



5.4L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Series 61

5.7L V8 Gas L-HEAD
1
 
Professional
 

Cadillac Series 61



5.7L V8 Gas L-HEAD Professional

1 Per Vehicle
Cadillac Series 62

5.4L V8 Gas OHV
1
 
Professional
 

Cadillac Series 62



5.4L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Series 62

5.7L V8 Gas L-HEAD
1
 
Professional
 

Cadillac Series 62



5.7L V8 Gas L-HEAD Professional

1 Per Vehicle
Cadillac Series 75 Fleetwood

5.4L V8 Gas OHV
1
 
Professional
 

Cadillac Series 75 Fleetwood



5.4L V8 Gas OHV Professional

1 Per Vehicle
Cadillac Series 75 Fleetwood

5.7L V8 Gas L-HEAD
1
 
Professional
 

Cadillac Series 75 Fleetwood



5.7L V8 Gas L-HEAD Professional

1 Per Vehicle
Chevrolet 1500

3.8L L6 Gas OHV,
4.3L L6 Gas OHV
1
 
Professional
 

Chevrolet 1500



3.8L L6 Gas OHV,
4.3L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet AJ

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet AJ



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet AK

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet AK



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet AL

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet AL



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet AM

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet AM



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet AN

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet AN



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Bel Air

3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet Bel Air



3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Bel Air

3.5L L6 Gas OHV,
3.9L L6 Gas
1
 
Professional
 

Chevrolet Bel Air



3.5L L6 Gas OHV,
3.9L L6 Gas Professional

1 Per Vehicle
Chevrolet BJ

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BJ



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BK

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BK



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BK

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BK



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BL

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BL



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BL

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BL



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BM

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BM



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BM

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BM



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BN

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BN



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet BN

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet BN



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Corvette

3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet Corvette



3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Corvette

3.9L L6 Gas
1
 
Professional
 

Chevrolet Corvette



3.9L L6 Gas Professional

1 Per Vehicle
Chevrolet DS

3.5L L6 Gas OHV,
3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet DS



3.5L L6 Gas OHV,
3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Fleetline

3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet Fleetline



3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Fleetline

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Fleetline



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Fleetline

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Fleetline



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Fleetmaster

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Fleetmaster



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Fleetmaster

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Fleetmaster



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet GC

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet GC



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet GD

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet GD



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet GE

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet GE



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet HC

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet HC



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet HD

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet HD



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet HE

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet HE



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet JC

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet JC



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet JD

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet JD



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet KC

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet KC



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet KD

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet KD



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet KF

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet KF



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Master

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Master



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Master 85

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Master 85



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet One-Fifty Series

3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet One-Fifty Series



3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet One-Fifty Series

3.5L L6 Gas OHV,
3.9L L6 Gas
1
 
Professional
 

Chevrolet One-Fifty Series



3.5L L6 Gas OHV,
3.9L L6 Gas Professional

1 Per Vehicle
Chevrolet Special Deluxe

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Special Deluxe



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Standard

3.4L L6 Gas OHV
1
 
Professional
 

Chevrolet Standard



3.4L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Styleline Deluxe

3.8L L6 Gas OHV,
3.9L L6 Gas
1
 
Professional
 

Chevrolet Styleline Deluxe



3.8L L6 Gas OHV,
3.9L L6 Gas Professional

1 Per Vehicle
Chevrolet Styleline Deluxe

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Styleline Deluxe



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Styleline Special

3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet Styleline Special



3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Styleline Special

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Styleline Special



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Stylemaster Series

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Stylemaster Series



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Truck

4.3L L6 Gas OHV
1
 
Professional
 

Chevrolet Truck



4.3L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Truck

3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet Truck



3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Truck

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet Truck



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Two-Ten Series

3.8L L6 Gas OHV
1
 
Professional
 

Chevrolet Two-Ten Series



3.8L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet Two-Ten Series

3.9L L6 Gas
1
 
Professional
 

Chevrolet Two-Ten Series



3.9L L6 Gas Professional

1 Per Vehicle
Chevrolet VA

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet VA



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet WA

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet WA



3.5L L6 Gas OHV Professional

1 Per Vehicle
Chevrolet YR

3.5L L6 Gas OHV
1
 
Professional
 

Chevrolet YR



3.5L L6 Gas OHV Professional

1 Per Vehicle
Citroen 11

1.9L L4 Gas,
1.9L L4 Gas OHV
1
 
Professional
 

Citroen 11



1.9L L4 Gas,
1.9L L4 Gas OHV Professional

1 Per Vehicle
Citroen 15

2.9L L6 Gas OHV
1
 
Professional
 

Citroen 15



2.9L L6 Gas OHV Professional

1 Per Vehicle
Citroen 2CV

0.4L H2 Gas OHV
1
 
Professional
 

Citroen 2CV



0.4L H2 Gas OHV Professional

1 Per Vehicle
DeSoto S-10

3.9L L6 Gas L-HEAD
1
 
Professional
 

DeSoto S-10



3.9L L6 Gas L-HEAD Professional

1 Per Vehicle
DeSoto S-7

3.7L L6 Gas L-HEAD,
4.0L L6 Gas L-HEAD
1
 
Professional
 

DeSoto S-7



3.7L L6 Gas L-HEAD,
4.0L L6 Gas L-HEAD Professional

1 Per Vehicle
DeSoto S-8

3.7L L6 Gas L-HEAD,
4.0L L6 Gas L-HEAD
1
 
Professional
 

DeSoto S-8



3.7L L6 Gas L-HEAD,
4.0L L6 Gas L-HEAD Professional

1 Per Vehicle
Dodge B-1

3.8L L6 Gas,
3.9L L6 Gas L-HEAD
1
 
Professional
 

Dodge B-1



3.8L L6 Gas,
3.9L L6 Gas L-HEAD Professional

1 Per Vehicle
Dodge B-1

3.8L L6 Gas L-HEAD
1
 
Professional
 

Dodge B-1



3.8L L6 Gas L-HEAD Professional

1 Per Vehicle
Dodge B-1 Truck

3.6L L6 Gas L-HEAD,
3.8L L6 Gas L-HEAD,
3.9L L6 Gas L-HEAD
1
 
Professional
 

Dodge B-1 Truck



3.6L L6 Gas L-HEAD,
3.8L L6 Gas L-HEAD,
3.9L L6 Gas L-HEAD Professional

1 Per Vehicle
Dodge B-2

3.6L L6 Gas L-HEAD,
3.8L L6 Gas,
3.8L L6 Gas L-HEAD
1
 
Professional
 

Dodge B-2



3.6L L6 Gas L-HEAD,
3.8L L6 Gas,
3.8L L6 Gas L-HEAD Professional

1 Per Vehicle
Dodge B-2

3.9L L6 Gas L-HEAD
1
 
Professional
 

Dodge B-2



3.9L L6 Gas L-HEAD Professional

1 Per Vehicle
See More Fitments on Page 2 - or - Select Your Vehicle Above