Companies that sell replacement car horn relays include CarID.com, Advance Auto Parts and Amazon.com. CarID.com and Advance Auto Parts specialize in automotive products, but Amazon.com features competitive prices, as of July 2015.
CarID.com is an online automotive parts and accessories retailer carrying horn relays from a variety of popular manufacturers, including Standard, Niles, Beck Arnley and Denso. As of 2015, CarID.com horn relay prices range from about $11 to $28. CarID.com provides a drop menu for each product listing to ensure proper part selection, and the website features links to expert customer service by phone or live chat. The company also offers a lowest price match guarantee on all products and ships worldwide.
Advance Auto Parts is an automotive parts chain with locations across the United States. Like CarID.com, Advance Auto Parts sells horn relays from a variety of manufacturers and within a similar price range. Advance Auto Parts offers both online and in-store shopping, as well as in-store pickup of products bought online.
Amazon.com also sells car horn relays from a large selection of manufacturers, but its prices for certain parts tend to be lower than other retailers. For example, as of 2015, Amazon.com charges about $10 less than Advance Auto Parts for a Beck Arnley 203-0133 relay. And while Amazon.com doesn't offer expert customer service, it does maintain a high number of customer reviews for each of the relays it carries. Amazon.com offers a range of shipping options, including free two-day shipping for Amazon Prime members.