1977 Buick Estate Horns, Parts & Kits | Buttons, Relays

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TRQ®Horn
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# 4503791439
Buick Estate 1977, Horn by TRQ®. If your vehicle’s electrical system isn't working properly due to a malfunctioning horn, replace it with the TRQ reproduction of the original horn that has the same quality, form, and functionality....
Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques
$29.09
$30.95Save 6%
Standard®Replacement Horn
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# 708399688
Buick Estate 6.6L 1977, Replacement Horn by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity...
High quality at an affordable priceExpertly made from premium materials
$29.75 - $35.63
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TRQ®Horn Kit
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# mpn4818540280
Buick Estate 1977, Horn Kit by TRQ®. High and Low Tone. Pair. If other road users don't see you, make them hear you by replacing your non-functioning horns with this ultimate horn kit. As loud and effective as factory horns, TRQ...
Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques
$54.67
$56.95Save $2.28 (4%)
WVE®Horn Relay
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# mpn4650767708
Buick Estate 1977, Horn Relay by WVE®. Plastic Relay. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to...
Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile
$8.82
ACDelco®GM Original Equipment™ Horn
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# mpn4620370628
Buick Estate 1977, GM Original Equipment™ Horn by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium replacement electrical parts...
Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
$60.82
Dorman®Help™ Horn Connector
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# mpn2377073
Buick Estate 1977, Help™ Horn Connector by Dorman®. 1-Wire. Looking to maintain the top condition of your electrical system? Dorman is ready to help you! Just choose from their immense selection of premium replacement electrical parts...
Direct replacement for a proper fitDurable metal construction
$8.91
WVE®Horn
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# mpn4650767454
Buick Estate 1977, Horn by WVE®. Low Note. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or...
Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile
$23.47
WVE®Horn Relay Connector
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# mpn4648947694
Buick Estate 1977, Horn Relay Connector by WVE®. 3 Terminals. Black Connector. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability...
Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile
$4.35
Standard®Tru-Tech™ Replacement Horn
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# mpn1603348
Buick Estate 6.6L 1977, Tru-Tech™ Replacement Horn by Standard®. Low Tone. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
High quality at an affordable priceExpertly made from premium materials
$23.34
Original Engine Management®Horn Relay
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# mpn4795737170
Buick Estate 1977, Horn Relay by Original Engine Management®. Domestic. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement electrical...
Made to deliver trouble-free operation for years aheadManufactured with cutting-edge technology
$8.01
Lectric Limited®Horn Relay
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# mpn4531259062
Buick Estate 1977, Horn Relay by Lectric Limited®. Keep your pride and joy running in tip-top shape with this premium product from Lectric Limited. Designed to fit and function exactly as the original, this sturdy and reliable product...
Excellent solution for your classic or muscle car restorationMeant to restore the proper functionality of your vehicle’s electrical system
$10.00